Horsham Aerodrome Weather Records (ASN00079100)

Record envelope, standing records and threshold days for Horsham Aerodrome (ASN00079100), Australia, with 30 years of record.

Key Facts for Horsham Aerodrome

Horsham Aerodrome (ASN00079100) is a weather station in Australia at -36.67 latitude and 142.17 longitude, 134 m (439 ft) above sea level.
The station reports from 1997 to 2026, 30 years of record.
1,464 records set at Horsham Aerodrome still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Australia, -36.67 latitude, 142.17 longitude.
Elevation: 134 m (439 ft).
Period of record: 1997 to 2026, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

18 days at or beyond a record

The band shows the record high and record low for each calendar day at Horsham Aerodrome. The lines show the 2026 daily maximum and minimum. 18 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Horsham Aerodrome, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	47.8 C (118.0 F)	1.0 C (33.8 F)	47.8 C (118.0 F)	5.6 C (42.1 F)
Feb	47.4 C (117.3 F)	2.5 C (36.5 F)	37.6 C (99.7 F)	5.0 C (41.0 F)
Mar	41.8 C (107.2 F)	1.0 C (33.8 F)	32.3 C (90.1 F)	6.2 C (43.2 F)
Apr	37.0 C (98.6 F)	-2.0 C (28.4 F)	28.4 C (83.1 F)	0.5 C (32.9 F)
May	28.3 C (82.9 F)	-4.3 C (24.3 F)	28.3 C (82.9 F)	2.2 C (36.0 F)
Jun	24.0 C (75.2 F)	-6.0 C (21.2 F)	19.5 C (67.1 F)	0.7 C (33.3 F)
Jul	21.6 C (70.9 F)	-5.0 C (23.0 F)	15.8 C (60.4 F)	-1.2 C (29.8 F)
Aug	26.0 C (78.8 F)	-4.1 C (24.6 F)	19.8 C (67.6 F)	-1.7 C (28.9 F)
Sep	31.0 C (87.8 F)	-3.2 C (26.2 F)	28.4 C (83.1 F)	-1.2 C (29.8 F)
Oct	38.0 C (100.4 F)	-3.0 C (26.6 F)	18.3 C (64.9 F)	11.3 C (52.3 F)
Nov	42.3 C (108.1 F)	-2.0 C (28.4 F)	n/a	n/a
Dec	47.9 C (118.2 F)	1.0 C (33.8 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Horsham Aerodrome still stand. 1998 holds the most, with 78.

Standing records at Horsham Aerodrome by the year they were set
Year set	Standing records
1997	11
1998	78
1999	54
2000	43
2001	53
2002	66
2003	43
2004	60
2005	55
2006	48
2007	48
2008	44
2009	59
2010	49
2011	39
2012	33
2013	50
2014	60
2015	65
2016	51
2017	43
2018	50
2019	67
2020	53
2021	57
2022	38
2023	32
2024	43
2025	41
2026	31

Wettest Day of Each Month

Jan: 101.4 mm (4.0 in)

The wettest day on record for each calendar month at Horsham Aerodrome. The most was 101.4 mm (4.0 in) on 12 January 2011.

Record daily precipitation for each month at Horsham Aerodrome
Month	Record daily precipitation (mm)	Date
Jan	101.4 mm (4.0 in)	12 January 2011
Feb	96.4 mm (3.8 in)	28 February 2026
Mar	38.2 mm (1.5 in)	1 March 2026
Apr	42.0 mm (1.7 in)	29 April 2007
May	32.2 mm (1.3 in)	25 May 2009
Jun	24.0 mm (0.9 in)	11 June 2005
Jul	24.2 mm (1.0 in)	26 July 2025
Aug	40.0 mm (1.6 in)	30 August 2022
Sep	43.0 mm (1.7 in)	22 September 2009
Oct	33.0 mm (1.3 in)	6 October 1998
Nov	38.4 mm (1.5 in)	16 November 2017
Dec	48.4 mm (1.9 in)	13 December 2008

Period of Record Coverage

1997 to 2026

30 years of record at Horsham Aerodrome, 1997 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 1997, 2026.

Days with data per year at Horsham Aerodrome
Year	Days with data	Share of year	Complete
1997	76	21%	No
1998	353	97%	Yes
1999	346	95%	Yes
2000	360	98%	Yes
2001	364	100%	Yes
2002	362	99%	Yes
2003	363	99%	Yes
2004	366	100%	Yes
2005	365	100%	Yes
2006	365	100%	Yes
2007	363	99%	Yes
2008	366	100%	Yes
2009	364	100%	Yes
2010	365	100%	Yes
2011	365	100%	Yes
2012	366	100%	Yes
2013	365	100%	Yes
2014	363	99%	Yes
2015	365	100%	Yes
2016	364	99%	Yes
2017	365	100%	Yes
2018	362	99%	Yes
2019	365	100%	Yes
2020	357	98%	Yes
2021	364	100%	Yes
2022	365	100%	Yes
2023	361	99%	Yes
2024	364	99%	Yes
2025	363	99%	Yes
2026	273	75%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

28 complete years, 1998 to 2025

One stripe for each of 28 complete years at Horsham Aerodrome, 1998 to 2025. Blue stripes are years cooler than the station's own mean of 14.7 C (58.5 F); red stripes are warmer. The coolest year was 1998, at 13.9 C (57.1 F), and the warmest was 2007, at 15.3 C (59.5 F). The strongest colour marks a difference of 0.9 C (1.6 F).

Annual mean temperature at Horsham Aerodrome as warming stripes, 1998 to 2025
Year	Annual mean temperature	Difference from the station mean
1998	13.9 C	-0.82 C
1999	14.6 C	-0.13 C
2000	15.0 C	+0.26 C
2001	14.6 C	-0.17 C
2002	14.5 C	-0.26 C
2003	14.4 C	-0.36 C
2004	14.2 C	-0.54 C
2005	14.6 C	-0.11 C
2006	14.5 C	-0.25 C
2007	15.3 C	+0.56 C
2008	14.4 C	-0.35 C
2009	15.1 C	+0.40 C
2010	14.5 C	-0.23 C
2011	14.7 C	-0.01 C
2012	14.6 C	-0.12 C
2013	15.0 C	+0.26 C
2014	15.3 C	+0.55 C
2015	15.1 C	+0.38 C
2016	14.9 C	+0.15 C
2017	15.0 C	+0.29 C
2018	15.1 C	+0.38 C
2019	15.0 C	+0.26 C
2020	14.4 C	-0.36 C
2021	14.3 C	-0.43 C
2022	14.8 C	+0.02 C
2023	14.6 C	-0.14 C
2024	15.2 C	+0.41 C
2025	15.0 C	+0.28 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

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

1997 to 2026

Yearly extremes at Horsham Aerodrome: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	47.9 C (118.2 F)	2019	44.0 C (111.2 F)	30
Coldest night (TNn)	-6.0 C (21.2 F)	2006	-3.0 C (26.6 F)	30
Wettest day (Rx1day)	101.4 mm (4.0 in)	2011	28.5 mm (1.1 in)	30
Wettest five days (Rx5day)	160.2 mm (6.3 in)	2026	43.5 mm (1.7 in)	30
Longest dry spell (CDD)	62 days	2009	33 days	30

Hottest day (TXx)

The hottest day of the year at Horsham Aerodrome, 1997 to 2026. The record is 47.9 C (118.2 F) in 2019, marked on the chart; the median year is 44.0 C (111.2 F).

Hottest day (TXx) at Horsham Aerodrome by year
Year	Hottest day (TXx)
1997	40.0 C (104.0 F)
1998	43.0 C (109.4 F)
1999	42.0 C (107.6 F)
2000	43.0 C (109.4 F)
2001	42.0 C (107.6 F)
2002	42.0 C (107.6 F)
2003	46.0 C (114.8 F)
2004	45.0 C (113.0 F)
2005	46.0 C (114.8 F)
2006	44.0 C (111.2 F)
2007	44.0 C (111.2 F)
2008	44.0 C (111.2 F)
2009	47.4 C (117.3 F)
2010	44.1 C (111.4 F)
2011	39.8 C (103.6 F)
2012	42.3 C (108.1 F)
2013	44.2 C (111.6 F)
2014	45.0 C (113.0 F)
2015	44.0 C (111.2 F)
2016	43.0 C (109.4 F)
2017	44.3 C (111.7 F)
2018	45.1 C (113.2 F)
2019	47.9 C (118.2 F)
2020	43.9 C (111.0 F)
2021	42.3 C (108.1 F)
2022	39.4 C (102.9 F)
2023	39.3 C (102.7 F)
2024	44.0 C (111.2 F)
2025	42.7 C (108.9 F)
2026	47.8 C (118.0 F)

Coldest night (TNn)

The coldest night of the year at Horsham Aerodrome, 1997 to 2026. The record is -6.0 C (21.2 F) in 2006, marked on the chart; the median year is -3.0 C (26.6 F).

Coldest night (TNn) at Horsham Aerodrome by year
Year	Coldest night (TNn)
1997	-2.0 C (28.4 F)
1998	-5.0 C (23.0 F)
1999	-3.0 C (26.6 F)
2000	-3.0 C (26.6 F)
2001	-2.0 C (28.4 F)
2002	-4.0 C (24.8 F)
2003	-3.0 C (26.6 F)
2004	-2.0 C (28.4 F)
2005	-3.0 C (26.6 F)
2006	-6.0 C (21.2 F)
2007	-3.0 C (26.6 F)
2008	-3.0 C (26.6 F)
2009	-2.8 C (27.0 F)
2010	-2.2 C (28.0 F)
2011	-2.7 C (27.1 F)
2012	-3.5 C (25.7 F)
2013	-2.2 C (28.0 F)
2014	-3.9 C (25.0 F)
2015	-4.1 C (24.6 F)
2016	-1.5 C (29.3 F)
2017	-3.7 C (25.3 F)
2018	-3.0 C (26.6 F)
2019	-3.1 C (26.4 F)
2020	-4.1 C (24.6 F)
2021	-4.3 C (24.3 F)
2022	-2.4 C (27.7 F)
2023	-4.3 C (24.3 F)
2024	-3.0 C (26.6 F)
2025	-3.5 C (25.7 F)
2026	-1.7 C (28.9 F)

Wettest day (Rx1day)

The wettest day of the year at Horsham Aerodrome, 1997 to 2026. The record is 101.4 mm (4.0 in) in 2011, marked on the chart; the median year is 28.5 mm (1.1 in).

Wettest day (Rx1day) at Horsham Aerodrome by year
Year	Wettest day (Rx1day)
1997	30.0 mm (1.2 in)
1998	33.0 mm (1.3 in)
1999	39.0 mm (1.5 in)
2000	26.0 mm (1.0 in)
2001	34.0 mm (1.3 in)
2002	17.0 mm (0.7 in)
2003	69.0 mm (2.7 in)
2004	20.0 mm (0.8 in)
2005	24.0 mm (0.9 in)
2006	23.0 mm (0.9 in)
2007	42.0 mm (1.7 in)
2008	48.4 mm (1.9 in)
2009	43.0 mm (1.7 in)
2010	31.0 mm (1.2 in)
2011	101.4 mm (4.0 in)
2012	22.8 mm (0.9 in)
2013	24.0 mm (0.9 in)
2014	13.8 mm (0.5 in)
2015	26.4 mm (1.0 in)
2016	24.0 mm (0.9 in)
2017	38.4 mm (1.5 in)
2018	13.4 mm (0.5 in)
2019	21.6 mm (0.9 in)
2020	31.4 mm (1.2 in)
2021	24.2 mm (1.0 in)
2022	40.0 mm (1.6 in)
2023	30.4 mm (1.2 in)
2024	27.0 mm (1.1 in)
2025	24.2 mm (1.0 in)
2026	96.4 mm (3.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Horsham Aerodrome, 1997 to 2026. The record is 160.2 mm (6.3 in) in 2026, marked on the chart; the median year is 43.5 mm (1.7 in).

Wettest five days (Rx5day) at Horsham Aerodrome by year
Year	Wettest five days (Rx5day)
1997	41.4 mm (1.6 in)
1998	55.0 mm (2.2 in)
1999	61.2 mm (2.4 in)
2000	40.0 mm (1.6 in)
2001	37.6 mm (1.5 in)
2002	19.2 mm (0.8 in)
2003	69.8 mm (2.7 in)
2004	31.2 mm (1.2 in)
2005	38.4 mm (1.5 in)
2006	34.0 mm (1.3 in)
2007	89.0 mm (3.5 in)
2008	53.6 mm (2.1 in)
2009	60.2 mm (2.4 in)
2010	49.8 mm (2.0 in)
2011	152.0 mm (6.0 in)
2012	36.0 mm (1.4 in)
2013	45.2 mm (1.8 in)
2014	28.8 mm (1.1 in)
2015	48.4 mm (1.9 in)
2016	39.8 mm (1.6 in)
2017	45.4 mm (1.8 in)
2018	26.8 mm (1.1 in)
2019	34.8 mm (1.4 in)
2020	45.0 mm (1.8 in)
2021	42.0 mm (1.7 in)
2022	57.0 mm (2.2 in)
2023	57.2 mm (2.3 in)
2024	32.8 mm (1.3 in)
2025	36.4 mm (1.4 in)
2026	160.2 mm (6.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Horsham Aerodrome, 1997 to 2026. The record is 62 days in 2009, marked on the chart; the median year is 33 days.

Longest dry spell (CDD) at Horsham Aerodrome by year
Year	Longest dry spell (CDD)
1997	34 days
1998	18 days
1999	35 days
2000	40 days
2001	30 days
2002	36 days
2003	29 days
2004	20 days
2005	39 days
2006	44 days
2007	29 days
2008	52 days
2009	62 days
2010	32 days
2011	24 days
2012	49 days
2013	31 days
2014	29 days
2015	36 days
2016	37 days
2017	42 days
2018	27 days
2019	51 days
2020	24 days
2021	23 days
2022	31 days
2023	33 days
2024	49 days
2025	33 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

28 years with a frost

Across 28 years with a frost, the median last spring frost at Horsham Aerodrome falls on 19 October and the median first autumn frost on 8 May, which leaves a median of 207 days between them.

Fitted over all years, the growing season changes by +23.5 days per decade at this station.

Frost dates and growing season at Horsham Aerodrome
Measure	Median, all years	Earliest period	Recent period (1998 to 2025)	Recent against earliest	Fitted trend
Last spring frost	19 October	n/a	19 October	n/a	-12.8 days per decade
First autumn frost	8 May	n/a	8 May	n/a	+10.7 days per decade
Growing days	207 days	n/a	207 days	n/a	+23.5 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.

Download the Data

Data for Horsham Aerodrome standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Horsham Aerodrome 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).