Mount Gambier Aero Weather Records (ASN00026021)

Record envelope, standing records and threshold days for Mount Gambier Aero (ASN00026021), Australia, with 85 years of record.

Key Facts for Mount Gambier Aero

Mount Gambier Aero (ASN00026021) is a weather station in Australia at -37.75 latitude and 140.77 longitude, 63 m (207 ft) above sea level.
The station reports from 1942 to 2026, 85 years of record.
1,464 records set at Mount Gambier Aero still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Mount Gambier Aero set a daily record low minimum temperature of -0.3 C (31.5 F) on 22 September 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

Location: Australia, -37.75 latitude, 140.77 longitude.
Elevation: 63 m (207 ft).
Period of record: 1942 to 2026, 85 years.
Eligible elements: tmax, tmin, prcp.

Daily Record Envelope and 2026

10 days at or beyond a record

The band shows the record high and record low for each calendar day at Mount Gambier Aero. The lines show the 2026 daily maximum and minimum. 10 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Mount Gambier Aero, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	44.1 C (111.4 F)	1.4 C (34.5 F)	43.7 C (110.7 F)	6.9 C (44.4 F)
Feb	44.9 C (112.8 F)	2.8 C (37.0 F)	37.2 C (99.0 F)	4.9 C (40.8 F)
Mar	41.3 C (106.3 F)	0.0 C (32.0 F)	31.5 C (88.7 F)	7.2 C (45.0 F)
Apr	35.8 C (96.4 F)	-1.8 C (28.8 F)	28.7 C (83.7 F)	3.0 C (37.4 F)
May	28.5 C (83.3 F)	-2.8 C (27.0 F)	28.5 C (83.3 F)	3.2 C (37.8 F)
Jun	21.6 C (70.9 F)	-3.9 C (25.0 F)	20.1 C (68.2 F)	0.4 C (32.7 F)
Jul	22.4 C (72.3 F)	-3.9 C (25.0 F)	16.7 C (62.1 F)	-1.1 C (30.0 F)
Aug	26.6 C (79.9 F)	-2.6 C (27.3 F)	19.8 C (67.6 F)	0.3 C (32.5 F)
Sep	32.2 C (90.0 F)	-3.4 C (25.9 F)	25.8 C (78.4 F)	-0.3 C (31.5 F)
Oct	34.4 C (93.9 F)	-1.6 C (29.1 F)	17.0 C (62.6 F)	11.4 C (52.5 F)
Nov	41.2 C (106.2 F)	-0.8 C (30.6 F)	n/a	n/a
Dec	45.9 C (114.6 F)	1.2 C (34.2 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Mount Gambier Aero still stand. 1948 holds the most, with 36.

Standing records at Mount Gambier Aero by the year they were set
Year set	Standing records
1942	13
1943	22
1944	22
1945	19
1946	29
1947	12
1948	36
1949	35
1950	26
1951	9
1952	15
1953	21
1954	23
1955	23
1956	15
1957	30
1958	20
1959	25
1960	27
1961	13
1962	16
1963	11
1964	15
1965	17
1966	10
1967	22
1968	13
1969	20
1970	13
1971	11
1972	23
1973	15
1974	8
1975	19
1976	15
1977	16
1978	14
1979	11
1980	25
1981	12
1982	26
1983	19
1984	10
1985	13
1986	6
1987	31
1988	10
1989	8
1990	10
1991	14
1992	12
1993	19
1994	22
1995	12
1996	18
1997	17
1998	13
1999	14
2000	9
2001	11
2002	13
2003	12
2004	19
2005	22
2006	24
2007	10
2008	19
2009	24
2010	10
2011	12
2012	12
2013	26
2014	25
2015	22
2016	11
2017	21
2018	10
2019	29
2020	22
2021	7
2022	13
2023	12
2024	24
2025	18
2026	12

All-Time Record Progression

10 new records

10 all-time records were set at Mount Gambier Aero between 20 January 1973 and 20 December 2019. Each dot is a new record.

When Mount Gambier Aero set new all-time records
Date	Kind	Detail
1973-01-20	Record high minimum temperature	Record high minimum temperature 25.6 C (78.1 F)
1981-06-23	Record low maximum temperature	Record low maximum temperature 7.2 C (45.0 F)
1982-01-23	Record high maximum temperature	Record high maximum temperature 43.5 C (110.3 F)
1983-02-08	Record high minimum temperature	Record high minimum temperature 27.1 C (80.8 F)
1983-02-16	Record high maximum temperature	Record high maximum temperature 43.6 C (110.5 F)
1991-01-03	Record high minimum temperature	Record high minimum temperature 27.5 C (81.5 F)
2007-02-18	Record high minimum temperature	Record high minimum temperature 27.7 C (81.9 F)
2014-01-16	Record high maximum temperature	Record high maximum temperature 44.1 C (111.4 F)
2014-02-02	Record high maximum temperature	Record high maximum temperature 44.9 C (112.8 F)
2019-12-20	Record high maximum temperature	Record high maximum temperature 45.9 C (114.6 F)

Wettest Day of Each Month

Feb: 90.7 mm (3.6 in)

The wettest day on record for each calendar month at Mount Gambier Aero. The most was 90.7 mm (3.6 in) on 18 February 1946.

Record daily precipitation for each month at Mount Gambier Aero
Month	Record daily precipitation (mm)	Date
Jan	84.6 mm (3.3 in)	14 January 2011
Feb	90.7 mm (3.6 in)	18 February 1946
Mar	62.2 mm (2.4 in)	16 March 1946
Apr	65.6 mm (2.6 in)	6 April 1992
May	45.4 mm (1.8 in)	3 May 2014
Jun	50.0 mm (2.0 in)	23 June 2016
Jul	43.8 mm (1.7 in)	2 July 2010
Aug	48.0 mm (1.9 in)	5 August 1990
Sep	53.2 mm (2.1 in)	9 September 2016
Oct	41.1 mm (1.6 in)	27 October 1945
Nov	76.6 mm (3.0 in)	29 November 1977
Dec	78.8 mm (3.1 in)	13 December 2008

Period of Record Coverage

1942 to 2026

85 years of record at Mount Gambier Aero, 1942 to 2026. 1 years have data for under 90 percent of days and are left out of rankings: 2026.

Days with data per year at Mount Gambier Aero
Year	Days with data	Share of year	Complete
1942	334	92%	Yes
1943	365	100%	Yes
1944	365	100%	Yes
1945	365	100%	Yes
1946	365	100%	Yes
1947	363	99%	Yes
1948	365	100%	Yes
1949	365	100%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	365	100%	Yes
1953	365	100%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	364	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	365	100%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	365	100%	Yes
1990	365	100%	Yes
1991	365	100%	Yes
1992	366	100%	Yes
1993	365	100%	Yes
1994	365	100%	Yes
1995	365	100%	Yes
1996	366	100%	Yes
1997	365	100%	Yes
1998	365	100%	Yes
1999	365	100%	Yes
2000	366	100%	Yes
2001	365	100%	Yes
2002	365	100%	Yes
2003	365	100%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	365	100%	Yes
2007	365	100%	Yes
2008	366	100%	Yes
2009	365	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	366	100%	Yes
2013	365	100%	Yes
2014	365	100%	Yes
2015	365	100%	Yes
2016	365	100%	Yes
2017	362	99%	Yes
2018	364	100%	Yes
2019	358	98%	Yes
2020	364	99%	Yes
2021	363	99%	Yes
2022	361	99%	Yes
2023	360	99%	Yes
2024	361	99%	Yes
2025	364	100%	Yes
2026	273	75%	No

Latest Records

Latest records at Mount Gambier Aero
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 September 2026	Mount Gambier Aero, AU	daily low min (Provisional)	-0.3 C (31.5 F)	1.1 C (2.0 F)	3 years	11 of 100 (Routine)
19 September 2026	Mount Gambier Aero, AU	daily high max (Tie, Provisional)	25.8 C (78.4 F)	tie	5 years	2 of 100 (Routine)
19 August 2026	Mount Gambier Aero, AU	daily high min (Provisional)	12.1 C (53.8 F)	0.6 C (1.1 F)	27 years	18 of 100 (Routine)
26 June 2026	Mount Gambier Aero, AU	daily low max	9.4 C (48.9 F)	0.5 C (0.9 F)	81 years	34 of 100 (Routine)
18 June 2026	Mount Gambier Aero, AU	daily high min	13.5 C (56.3 F)	1.8 C (3.2 F)	61 years	31 of 100 (Routine)
17 June 2026	Mount Gambier Aero, AU	monthly high min	14.4 C (57.9 F)	0.3 C (0.5 F)	6 years	20 of 100 (Routine)
17 June 2026	Mount Gambier Aero, AU	daily high max	17.0 C (62.6 F)	0.6 C (1.1 F)	8 years	13 of 100 (Routine)
13 June 2026	Mount Gambier Aero, AU	daily high min	13.5 C (56.3 F)	1.7 C (3.1 F)	75 years	35 of 100 (Notable)
12 June 2026	Mount Gambier Aero, AU	daily high max	20.1 C (68.2 F)	1.5 C (2.7 F)	64 years	35 of 100 (Notable)
2 June 2026	Mount Gambier Aero, AU	daily rain	29.6 mm (1.2 in)	9.8 mm (0.39 in)	63 years	43 of 100 (Notable)
12 May 2026	Mount Gambier Aero, AU	daily high max	22.9 C (73.2 F)	1.5 C (2.7 F)	0 years	13 of 100 (Routine)
2 May 2026	Mount Gambier Aero, AU	monthly high min	19.9 C (67.8 F)	3.5 C (6.3 F)	20 years	35 of 100 (Notable)
1 May 2026	Mount Gambier Aero, AU	monthly high max (Tie)	28.5 C (83.3 F)	tie	58 years	8 of 100 (Routine)
30 April 2026	Mount Gambier Aero, AU	daily high max (Tie)	27.7 C (81.9 F)	tie	40 years	5 of 100 (Routine)
25 April 2026	Mount Gambier Aero, AU	daily high max	28.7 C (83.7 F)	1.3 C (2.3 F)	32 years	20 of 100 (Routine)
1 March 2026	Mount Gambier Aero, AU	daily rain	24.2 mm (1.0 in)	7.2 mm (0.28 in)	44 years	20 of 100 (Routine)
2 February 2026	Mount Gambier Aero, AU	daily low min	4.9 C (40.8 F)	0.3 C (0.5 F)	68 years	28 of 100 (Routine)
27 January 2026	Mount Gambier Aero, AU	daily high max	43.7 C (110.7 F)	3.2 C (5.8 F)	83 years	37 of 100 (Notable)
5 October 2025	Mount Gambier Aero, AU	daily high min	15.7 C (60.3 F)	2.2 C (4.0 F)	24 years	21 of 100 (Routine)
2 October 2025	Mount Gambier Aero, AU	daily rain	10.6 mm (0.4 in)	0.8 mm (0.03 in)	12 years	12 of 100 (Routine)

Climate Trend

83 complete years, 1943 to 2025

One stripe for each of 83 complete years at Mount Gambier Aero, 1943 to 2025. Blue stripes are years cooler than the station's own mean of 13.7 C (56.6 F); red stripes are warmer. The coolest year was 1943, at 12.3 C (54.1 F), and the warmest was 2007, at 14.9 C (58.8 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Mount Gambier Aero as warming stripes, 1943 to 2025
Year	Annual mean temperature	Difference from the station mean
1943	12.3 C	-1.39 C
1944	12.7 C	-0.96 C
1945	12.8 C	-0.91 C
1946	12.4 C	-1.24 C
1947	13.4 C	-0.22 C
1948	12.6 C	-1.08 C
1949	12.4 C	-1.26 C
1950	13.2 C	-0.50 C
1951	13.4 C	-0.28 C
1952	12.4 C	-1.25 C
1953	12.9 C	-0.77 C
1954	12.8 C	-0.85 C
1955	13.0 C	-0.65 C
1956	12.8 C	-0.83 C
1957	12.5 C	-1.19 C
1958	12.7 C	-0.99 C
1959	13.4 C	-0.28 C
1960	12.8 C	-0.85 C
1961	14.1 C	+0.44 C
1962	13.4 C	-0.28 C
1963	13.3 C	-0.36 C
1964	12.8 C	-0.91 C
1965	13.4 C	-0.22 C
1966	13.3 C	-0.38 C
1967	13.8 C	+0.10 C
1968	13.7 C	+0.01 C
1969	13.3 C	-0.40 C
1970	13.1 C	-0.52 C
1971	13.7 C	+0.01 C
1972	13.6 C	-0.04 C
1973	14.0 C	+0.30 C
1974	14.0 C	+0.37 C
1975	13.9 C	+0.26 C
1976	13.3 C	-0.40 C
1977	13.4 C	-0.30 C
1978	13.3 C	-0.37 C
1979	13.8 C	+0.15 C
1980	14.1 C	+0.42 C
1981	14.1 C	+0.46 C
1982	13.9 C	+0.23 C
1983	13.7 C	+0.02 C
1984	13.5 C	-0.18 C
1985	13.8 C	+0.14 C
1986	13.5 C	-0.17 C
1987	13.7 C	+0.08 C
1988	14.5 C	+0.86 C
1989	14.1 C	+0.47 C
1990	14.2 C	+0.56 C
1991	13.8 C	+0.10 C
1992	13.5 C	-0.12 C
1993	14.0 C	+0.36 C
1994	13.7 C	+0.08 C
1995	13.4 C	-0.23 C
1996	13.3 C	-0.32 C
1997	13.8 C	+0.11 C
1998	13.4 C	-0.28 C
1999	14.1 C	+0.46 C
2000	14.4 C	+0.74 C
2001	14.0 C	+0.37 C
2002	13.8 C	+0.17 C
2003	13.7 C	+0.06 C
2004	13.7 C	+0.01 C
2005	14.3 C	+0.62 C
2006	13.8 C	+0.14 C
2007	14.9 C	+1.22 C
2008	13.9 C	+0.28 C
2009	14.5 C	+0.81 C
2010	14.0 C	+0.30 C
2011	14.2 C	+0.49 C
2012	14.4 C	+0.71 C
2013	14.7 C	+0.99 C
2014	14.7 C	+1.02 C
2015	14.3 C	+0.66 C
2016	14.2 C	+0.56 C
2017	14.6 C	+0.92 C
2018	14.4 C	+0.76 C
2019	14.2 C	+0.51 C
2020	13.9 C	+0.22 C
2021	14.1 C	+0.40 C
2022	14.4 C	+0.71 C
2023	14.3 C	+0.65 C
2024	14.6 C	+0.94 C
2025	14.7 C	+0.99 C

The annual mean temperature here has risen by 0.2 C (0.2 to 0.2) per decade over 1943 to 2025. In Fahrenheit: 0.4 F (0.3 to 0.4) per decade. The slope is a straight line fitted to 83 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Mount Gambier Aero
Measure	Per decade (C)	Per decade (F)	Period	Complete years	Reading
Annual mean temperature	0.2 C (0.2 to 0.2) per decade	0.4 F (0.3 to 0.4) per decade	1943 to 2025	83	Rise
Mean daily maximum	0.2 C (0.2 to 0.3) per decade	0.4 F (0.3 to 0.5) per decade	1943 to 2025	83	Rise
Mean daily minimum	0.2 C (0.2 to 0.2) per decade	0.4 F (0.3 to 0.4) per decade	1943 to 2025	83	Rise

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1942 to 2026

Yearly extremes at Mount Gambier Aero: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	45.9 C (114.6 F)	2019	40.5 C (104.9 F)	85
Coldest night (TNn)	-3.9 C (25.0 F)	1950	-1.5 C (29.3 F)	85
Wettest day (Rx1day)	90.7 mm (3.6 in)	1946	34.8 mm (1.4 in)	85
Wettest five days (Rx5day)	113.3 mm (4.5 in)	1946	60.6 mm (2.4 in)	85
Longest dry spell (CDD)	44 days	1956	23 days	85

Hottest day (TXx)

The hottest day of the year at Mount Gambier Aero, 1942 to 2026. The record is 45.9 C (114.6 F) in 2019, marked on the chart; the median year is 40.5 C (104.9 F).

Hottest day (TXx) at Mount Gambier Aero by year
Year	Hottest day (TXx)
1942	39.9 C (103.8 F)
1943	40.5 C (104.9 F)
1944	36.9 C (98.4 F)
1945	39.2 C (102.6 F)
1946	39.1 C (102.4 F)
1947	38.4 C (101.1 F)
1948	41.6 C (106.9 F)
1949	36.6 C (97.9 F)
1950	39.6 C (103.3 F)
1951	39.6 C (103.3 F)
1952	42.9 C (109.2 F)
1953	38.6 C (101.5 F)
1954	37.6 C (99.7 F)
1955	43.3 C (109.9 F)
1956	38.0 C (100.4 F)
1957	38.1 C (100.6 F)
1958	38.1 C (100.6 F)
1959	42.7 C (108.9 F)
1960	39.6 C (103.3 F)
1961	42.0 C (107.6 F)
1962	41.2 C (106.2 F)
1963	36.5 C (97.7 F)
1964	38.9 C (102.0 F)
1965	39.8 C (103.6 F)
1966	40.1 C (104.2 F)
1967	43.2 C (109.8 F)
1968	39.1 C (102.4 F)
1969	39.3 C (102.7 F)
1970	42.9 C (109.2 F)
1971	40.6 C (105.1 F)
1972	39.7 C (103.5 F)
1973	42.1 C (107.8 F)
1974	36.4 C (97.5 F)
1975	41.1 C (106.0 F)
1976	38.3 C (100.9 F)
1977	41.8 C (107.2 F)
1978	38.5 C (101.3 F)
1979	39.7 C (103.5 F)
1980	42.0 C (107.6 F)
1981	42.8 C (109.0 F)
1982	43.5 C (110.3 F)
1983	43.6 C (110.5 F)
1984	37.3 C (99.1 F)
1985	41.4 C (106.5 F)
1986	41.1 C (106.0 F)
1987	37.4 C (99.3 F)
1988	40.5 C (104.9 F)
1989	39.1 C (102.4 F)
1990	39.1 C (102.4 F)
1991	41.7 C (107.1 F)
1992	37.8 C (100.0 F)
1993	41.6 C (106.9 F)
1994	40.7 C (105.3 F)
1995	39.2 C (102.6 F)
1996	42.6 C (108.7 F)
1997	41.4 C (106.5 F)
1998	41.3 C (106.3 F)
1999	40.4 C (104.7 F)
2000	39.6 C (103.3 F)
2001	41.6 C (106.9 F)
2002	35.8 C (96.4 F)
2003	39.5 C (103.1 F)
2004	41.6 C (106.9 F)
2005	41.1 C (106.0 F)
2006	42.4 C (108.3 F)
2007	43.3 C (109.9 F)
2008	41.3 C (106.3 F)
2009	43.6 C (110.5 F)
2010	42.5 C (108.5 F)
2011	39.6 C (103.3 F)
2012	41.7 C (107.1 F)
2013	43.6 C (110.5 F)
2014	44.9 C (112.8 F)
2015	42.8 C (109.0 F)
2016	38.4 C (101.1 F)
2017	39.0 C (102.2 F)
2018	42.3 C (108.1 F)
2019	45.9 C (114.6 F)
2020	42.1 C (107.8 F)
2021	42.6 C (108.7 F)
2022	40.3 C (104.5 F)
2023	38.7 C (101.7 F)
2024	41.2 C (106.2 F)
2025	39.8 C (103.6 F)
2026	43.7 C (110.7 F)

Coldest night (TNn)

The coldest night of the year at Mount Gambier Aero, 1942 to 2026. The record is -3.9 C (25.0 F) in 1950, marked on the chart; the median year is -1.5 C (29.3 F).

Coldest night (TNn) at Mount Gambier Aero by year
Year	Coldest night (TNn)
1942	0.6 C (33.1 F)
1943	-2.1 C (28.2 F)
1944	-3.2 C (26.2 F)
1945	-2.3 C (27.9 F)
1946	-1.5 C (29.3 F)
1947	0.1 C (32.2 F)
1948	-2.2 C (28.0 F)
1949	-1.7 C (28.9 F)
1950	-3.9 C (25.0 F)
1951	-3.7 C (25.3 F)
1952	-1.7 C (28.9 F)
1953	-1.8 C (28.8 F)
1954	-3.2 C (26.2 F)
1955	-2.3 C (27.9 F)
1956	-2.2 C (28.0 F)
1957	-2.6 C (27.3 F)
1958	-2.7 C (27.1 F)
1959	-3.4 C (25.9 F)
1960	-3.9 C (25.0 F)
1961	-2.7 C (27.1 F)
1962	-1.9 C (28.6 F)
1963	-2.9 C (26.8 F)
1964	-1.9 C (28.6 F)
1965	-3.0 C (26.6 F)
1966	-1.3 C (29.7 F)
1967	-2.8 C (27.0 F)
1968	-1.6 C (29.1 F)
1969	-2.2 C (28.0 F)
1970	-0.3 C (31.5 F)
1971	-0.6 C (30.9 F)
1972	-2.9 C (26.8 F)
1973	-2.1 C (28.2 F)
1974	-3.4 C (25.9 F)
1975	-1.6 C (29.1 F)
1976	-2.2 C (28.0 F)
1977	-0.1 C (31.8 F)
1978	-1.4 C (29.5 F)
1979	-1.0 C (30.2 F)
1980	0.0 C (32.0 F)
1981	0.4 C (32.7 F)
1982	-2.8 C (27.0 F)
1983	-0.4 C (31.3 F)
1984	-0.8 C (30.6 F)
1985	-2.5 C (27.5 F)
1986	0.2 C (32.4 F)
1987	-0.1 C (31.8 F)
1988	0.9 C (33.6 F)
1989	-2.5 C (27.5 F)
1990	-0.8 C (30.6 F)
1991	0.3 C (32.5 F)
1992	-0.7 C (30.7 F)
1993	0.1 C (32.2 F)
1994	-0.9 C (30.4 F)
1995	-2.0 C (28.4 F)
1996	-2.4 C (27.7 F)
1997	-1.0 C (30.2 F)
1998	-1.9 C (28.6 F)
1999	0.6 C (33.1 F)
2000	0.0 C (32.0 F)
2001	-1.0 C (30.2 F)
2002	-1.2 C (29.8 F)
2003	-0.7 C (30.7 F)
2004	-0.6 C (30.9 F)
2005	-0.2 C (31.6 F)
2006	-3.0 C (26.6 F)
2007	-2.6 C (27.3 F)
2008	-0.4 C (31.3 F)
2009	-0.5 C (31.1 F)
2010	-0.8 C (30.6 F)
2011	-0.9 C (30.4 F)
2012	-0.3 C (31.5 F)
2013	-0.9 C (30.4 F)
2014	-1.7 C (28.9 F)
2015	-0.3 C (31.5 F)
2016	0.2 C (32.4 F)
2017	-2.1 C (28.2 F)
2018	-1.4 C (29.5 F)
2019	-2.2 C (28.0 F)
2020	-1.4 C (29.5 F)
2021	-0.8 C (30.6 F)
2022	-2.1 C (28.2 F)
2023	-1.1 C (30.0 F)
2024	-1.9 C (28.6 F)
2025	-0.2 C (31.6 F)
2026	-1.1 C (30.0 F)

Wettest day (Rx1day)

The wettest day of the year at Mount Gambier Aero, 1942 to 2026. The record is 90.7 mm (3.6 in) in 1946, marked on the chart; the median year is 34.8 mm (1.4 in).

Wettest day (Rx1day) at Mount Gambier Aero by year
Year	Wettest day (Rx1day)
1942	29.2 mm (1.1 in)
1943	25.4 mm (1.0 in)
1944	24.1 mm (0.9 in)
1945	41.1 mm (1.6 in)
1946	90.7 mm (3.6 in)
1947	27.7 mm (1.1 in)
1948	55.9 mm (2.2 in)
1949	42.4 mm (1.7 in)
1950	37.1 mm (1.5 in)
1951	40.6 mm (1.6 in)
1952	47.8 mm (1.9 in)
1953	32.5 mm (1.3 in)
1954	46.2 mm (1.8 in)
1955	36.6 mm (1.4 in)
1956	27.7 mm (1.1 in)
1957	31.0 mm (1.2 in)
1958	37.6 mm (1.5 in)
1959	40.9 mm (1.6 in)
1960	47.0 mm (1.9 in)
1961	32.5 mm (1.3 in)
1962	19.3 mm (0.8 in)
1963	35.3 mm (1.4 in)
1964	26.7 mm (1.1 in)
1965	25.9 mm (1.0 in)
1966	30.5 mm (1.2 in)
1967	19.8 mm (0.8 in)
1968	28.4 mm (1.1 in)
1969	17.8 mm (0.7 in)
1970	29.2 mm (1.1 in)
1971	30.7 mm (1.2 in)
1972	19.3 mm (0.8 in)
1973	31.0 mm (1.2 in)
1974	48.0 mm (1.9 in)
1975	24.6 mm (1.0 in)
1976	35.0 mm (1.4 in)
1977	76.6 mm (3.0 in)
1978	24.0 mm (0.9 in)
1979	28.4 mm (1.1 in)
1980	33.0 mm (1.3 in)
1981	31.0 mm (1.2 in)
1982	23.2 mm (0.9 in)
1983	49.0 mm (1.9 in)
1984	35.6 mm (1.4 in)
1985	32.0 mm (1.3 in)
1986	50.6 mm (2.0 in)
1987	31.0 mm (1.2 in)
1988	30.2 mm (1.2 in)
1989	25.4 mm (1.0 in)
1990	48.0 mm (1.9 in)
1991	32.8 mm (1.3 in)
1992	65.6 mm (2.6 in)
1993	26.6 mm (1.0 in)
1994	38.2 mm (1.5 in)
1995	53.4 mm (2.1 in)
1996	32.8 mm (1.3 in)
1997	39.6 mm (1.6 in)
1998	19.8 mm (0.8 in)
1999	41.6 mm (1.6 in)
2000	39.2 mm (1.5 in)
2001	54.0 mm (2.1 in)
2002	24.8 mm (1.0 in)
2003	43.2 mm (1.7 in)
2004	38.4 mm (1.5 in)
2005	27.8 mm (1.1 in)
2006	32.6 mm (1.3 in)
2007	71.0 mm (2.8 in)
2008	78.8 mm (3.1 in)
2009	35.4 mm (1.4 in)
2010	43.8 mm (1.7 in)
2011	84.6 mm (3.3 in)
2012	32.4 mm (1.3 in)
2013	35.6 mm (1.4 in)
2014	45.4 mm (1.8 in)
2015	35.4 mm (1.4 in)
2016	53.2 mm (2.1 in)
2017	50.8 mm (2.0 in)
2018	29.8 mm (1.2 in)
2019	28.2 mm (1.1 in)
2020	66.2 mm (2.6 in)
2021	34.8 mm (1.4 in)
2022	36.8 mm (1.4 in)
2023	21.2 mm (0.8 in)
2024	36.2 mm (1.4 in)
2025	29.0 mm (1.1 in)
2026	29.6 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Mount Gambier Aero, 1942 to 2026. The record is 113.3 mm (4.5 in) in 1946, marked on the chart; the median year is 60.6 mm (2.4 in).

Wettest five days (Rx5day) at Mount Gambier Aero by year
Year	Wettest five days (Rx5day)
1942	76.7 mm (3.0 in)
1943	49.9 mm (2.0 in)
1944	41.9 mm (1.6 in)
1945	83.3 mm (3.3 in)
1946	113.3 mm (4.5 in)
1947	67.1 mm (2.6 in)
1948	94.3 mm (3.7 in)
1949	49.2 mm (1.9 in)
1950	56.1 mm (2.2 in)
1951	83.5 mm (3.3 in)
1952	69.4 mm (2.7 in)
1953	55.1 mm (2.2 in)
1954	54.8 mm (2.2 in)
1955	82.0 mm (3.2 in)
1956	82.1 mm (3.2 in)
1957	47.4 mm (1.9 in)
1958	66.2 mm (2.6 in)
1959	49.9 mm (2.0 in)
1960	58.9 mm (2.3 in)
1961	45.8 mm (1.8 in)
1962	57.9 mm (2.3 in)
1963	64.7 mm (2.5 in)
1964	61.4 mm (2.4 in)
1965	45.0 mm (1.8 in)
1966	62.0 mm (2.4 in)
1967	40.1 mm (1.6 in)
1968	71.1 mm (2.8 in)
1969	29.6 mm (1.2 in)
1970	55.2 mm (2.2 in)
1971	85.3 mm (3.4 in)
1972	48.3 mm (1.9 in)
1973	45.7 mm (1.8 in)
1974	81.0 mm (3.2 in)
1975	59.2 mm (2.3 in)
1976	49.2 mm (1.9 in)
1977	83.8 mm (3.3 in)
1978	49.4 mm (1.9 in)
1979	47.4 mm (1.9 in)
1980	63.6 mm (2.5 in)
1981	63.8 mm (2.5 in)
1982	46.2 mm (1.8 in)
1983	98.4 mm (3.9 in)
1984	73.8 mm (2.9 in)
1985	38.6 mm (1.5 in)
1986	73.4 mm (2.9 in)
1987	72.2 mm (2.8 in)
1988	54.4 mm (2.1 in)
1989	53.2 mm (2.1 in)
1990	74.4 mm (2.9 in)
1991	55.8 mm (2.2 in)
1992	84.4 mm (3.3 in)
1993	44.6 mm (1.8 in)
1994	45.2 mm (1.8 in)
1995	56.2 mm (2.2 in)
1996	64.2 mm (2.5 in)
1997	63.6 mm (2.5 in)
1998	47.0 mm (1.9 in)
1999	43.6 mm (1.7 in)
2000	88.0 mm (3.5 in)
2001	87.0 mm (3.4 in)
2002	47.6 mm (1.9 in)
2003	60.6 mm (2.4 in)
2004	73.8 mm (2.9 in)
2005	71.4 mm (2.8 in)
2006	44.6 mm (1.8 in)
2007	103.0 mm (4.1 in)
2008	87.2 mm (3.4 in)
2009	64.6 mm (2.5 in)
2010	67.2 mm (2.6 in)
2011	109.2 mm (4.3 in)
2012	46.8 mm (1.8 in)
2013	68.8 mm (2.7 in)
2014	99.6 mm (3.9 in)
2015	42.2 mm (1.7 in)
2016	98.0 mm (3.9 in)
2017	57.0 mm (2.2 in)
2018	69.2 mm (2.7 in)
2019	48.8 mm (1.9 in)
2020	67.8 mm (2.7 in)
2021	56.8 mm (2.2 in)
2022	48.8 mm (1.9 in)
2023	49.2 mm (1.9 in)
2024	49.4 mm (1.9 in)
2025	65.8 mm (2.6 in)
2026	50.6 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Mount Gambier Aero, 1942 to 2026. The record is 44 days in 1956, marked on the chart; the median year is 23 days.

Longest dry spell (CDD) at Mount Gambier Aero by year
Year	Longest dry spell (CDD)
1942	22 days
1943	32 days
1944	27 days
1945	25 days
1946	14 days
1947	13 days
1948	27 days
1949	29 days
1950	32 days
1951	39 days
1952	20 days
1953	17 days
1954	24 days
1955	26 days
1956	44 days
1957	37 days
1958	18 days
1959	27 days
1960	19 days
1961	44 days
1962	23 days
1963	23 days
1964	20 days
1965	28 days
1966	16 days
1967	32 days
1968	20 days
1969	21 days
1970	34 days
1971	21 days
1972	32 days
1973	16 days
1974	24 days
1975	17 days
1976	15 days
1977	20 days
1978	20 days
1979	19 days
1980	30 days
1981	21 days
1982	23 days
1983	33 days
1984	20 days
1985	20 days
1986	34 days
1987	36 days
1988	19 days
1989	28 days
1990	21 days
1991	38 days
1992	23 days
1993	19 days
1994	20 days
1995	18 days
1996	21 days
1997	16 days
1998	21 days
1999	30 days
2000	32 days
2001	26 days
2002	30 days
2003	23 days
2004	23 days
2005	27 days
2006	36 days
2007	34 days
2008	25 days
2009	38 days
2010	17 days
2011	17 days
2012	19 days
2013	28 days
2014	31 days
2015	20 days
2016	13 days
2017	14 days
2018	21 days
2019	29 days
2020	29 days
2021	29 days
2022	18 days
2023	22 days
2024	35 days
2025	22 days
2026	22 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

63 years with a frost

Across 63 years with a frost, the median last spring frost at Mount Gambier Aero falls on 5 September and the median first autumn frost on 11 June, which leaves a median of 295 days between them.

In 1979 to 2025 the median growing season was 309 days. That is 52 days more than in 1943 to 1975.

Fitted over all years, the growing season changes by +7.3 days per decade at this station.

Frost dates and growing season at Mount Gambier Aero
Measure	Median, all years	Earliest period (1943 to 1975)	Recent period (1979 to 2025)	Recent against earliest	Fitted trend
Last spring frost	5 September	1 September	5 September	4 days later	-2.2 days per decade
First autumn frost	11 June	3 June	24 June	21 days later	+5.1 days per decade
Growing days	295 days	257 days	309 days	52 days more	+7.3 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Rainfall Return Levels

84 years, 1942 to 2025

A day with at least 34.4 mm (1.4 in) of rain is expected about once in 2 years. A day with at least 94.6 mm (3.7 in) of rain is expected about once in 100 years.

Rainfall return levels at Mount Gambier Aero: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	34.4 mm (1.4 in)
5 years	46.6 mm (1.8 in)
10 years	56.1 mm (2.2 in)
25 years	69.9 mm (2.8 in)
50 years	81.6 mm (3.2 in)
100 years	94.6 mm (3.7 in)	Longer than the 84 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 84 years of values from 1942 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 90.7 mm (3.6 in) in 1946; 84.6 mm (3.3 in) in 2011; 78.8 mm (3.1 in) in 2008.

Station Changes

No change in the annual mean temperature of this station was found against its neighbours.

Climate Twins

2011 to 2025 against 1961 to 1990

Over 2011 to 2025, Mount Gambier Aero had a mean temperature of 14.4 C (57.8 F) and 721.8 mm (28.4 in) of rain a year. The 3 stations whose 1961 to 1990 climate was closest to that are Aspendale Csiro (Australia, 381 km away), Mount Barker (Australia, 344 km away) and Lakes Entrance (Australia, 634 km away).

Climate twins of Mount Gambier Aero: stations whose 1961 to 1990 climate is closest to its 2011 to 2025 climate
Twin station	Country	Distance away	Mean temperature, 1961-1990	Rain a year, 1961-1990	Climate difference
Aspendale Csiro	Australia	381 km (237 mi)	14.6 C (58.3 F)	695.7 mm (27.4 in)	0.41
Mount Barker	Australia	344 km (214 mi)	14.0 C (57.2 F)	706.1 mm (27.8 in)	0.54
Lakes Entrance	Australia	634 km (394 mi)	14.7 C (58.4 F)	726.7 mm (28.6 in)	0.56

Twins are stations, not cities. A twin is one of the three stations at least 100 km away whose earlier climate is closest to this station's recent one, so a close match does not mean the two places look alike in other ways. A station move or a gap in a record can change that station's averages. The list describes past climate; it is not a forecast and does not say what caused any change. How twins are found, and a search for any station.

Download the Data

Data for Mount Gambier Aero standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Mount Gambier Aero threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).