Wanneroo Weather Records (ASN00009105)

Record envelope, standing records and threshold days for Wanneroo (ASN00009105), Australia, with 121 years of record.

Key Facts for Wanneroo

Wanneroo (ASN00009105) is a weather station in Australia at -31.73 latitude and 115.79 longitude, 30 m (98 ft) above sea level.
The station reports from 1906 to 2026, 121 years of record.
0 records set at Wanneroo still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Wanneroo set a monthly record daily precipitation of 65.0 mm (2.6 in) on 9 September 2025.

About the Station

Location: Australia, -31.73 latitude, 115.79 longitude.
Elevation: 30 m (98 ft).
Period of record: 1906 to 2026, 121 years.
Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Wanneroo. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Wanneroo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Which Years Hold Standing Records

0 standing records

0 records at Wanneroo still stand.

All-Time Record Progression

2 new records

2 all-time records were set at Wanneroo between 29 July 1987 and 16 January 2018. Each dot is a new record.

When Wanneroo set new all-time records
Date	Kind	Detail
1987-07-29	Record daily precipitation	Record daily precipitation 92.0 mm (3.6 in)
2018-01-16	Record daily precipitation	Record daily precipitation 94.6 mm (3.7 in)

Wettest Day of Each Month

Jan: 94.6 mm (3.7 in)

The wettest day on record for each calendar month at Wanneroo. The most was 94.6 mm (3.7 in) on 16 January 2018.

Record daily precipitation for each month at Wanneroo
Month	Record daily precipitation (mm)	Date
Jan	94.6 mm (3.7 in)	16 January 2018
Feb	78.8 mm (3.1 in)	10 February 2017
Mar	37.2 mm (1.5 in)	31 March 2023
Apr	59.6 mm (2.3 in)	17 April 2002
May	70.1 mm (2.8 in)	24 May 1967
Jun	85.3 mm (3.4 in)	10 June 1920
Jul	92.0 mm (3.6 in)	29 July 1987
Aug	58.6 mm (2.3 in)	4 August 1994
Sep	65.0 mm (2.6 in)	9 September 2025
Oct	82.0 mm (3.2 in)	18 October 1995
Nov	29.2 mm (1.1 in)	20 November 1992
Dec	38.4 mm (1.5 in)	20 December 1917

Latest Records

Latest records at Wanneroo
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 September 2025	Wanneroo, AU	monthly rain	65.0 mm (2.6 in)	21.3 mm (0.8 in)	104 years	79 of 100 (Major)
20 August 2025	Wanneroo, AU	daily rain	33.1 mm (1.3 in)	7.7 mm (0.30 in)	4 years	20 of 100 (Routine)
24 July 2025	Wanneroo, AU	daily rain	39.2 mm (1.5 in)	2.9 mm (0.11 in)	108 years	42 of 100 (Notable)
14 March 2025	Wanneroo, AU	daily rain	12.2 mm (0.5 in)	0.2 mm (0.01 in)	46 years	20 of 100 (Routine)
31 May 2024	Wanneroo, AU	daily rain	48.5 mm (1.9 in)	20.8 mm (0.8 in)	109 years	61 of 100 (Major)
14 September 2023	Wanneroo, AU	daily rain	36.8 mm (1.4 in)	13.4 mm (0.5 in)	58 years	45 of 100 (Notable)
14 April 2023	Wanneroo, AU	daily rain	11.2 mm (0.4 in)	5.4 mm (0.21 in)	104 years	20 of 100 (Routine)
31 March 2023	Wanneroo, AU	monthly rain	37.2 mm (1.5 in)	1.8 mm (0.07 in)	40 years	34 of 100 (Routine)
11 November 2022	Wanneroo, AU	daily rain (Tie)	4.0 mm (0.16 in)	tie	36 years	5 of 100 (Routine)
3 March 2022	Wanneroo, AU	daily rain	3.2 mm (0.13 in)	0.7 mm (0.03 in)	112 years	20 of 100 (Routine)
17 December 2021	Wanneroo, AU	daily rain	2.2 mm (0.09 in)	1.4 mm (0.06 in)	92 years	20 of 100 (Routine)
27 October 2021	Wanneroo, AU	daily rain	25.0 mm (1.0 in)	15.8 mm (0.6 in)	6 years	31 of 100 (Routine)
16 September 2021	Wanneroo, AU	daily rain	18.2 mm (0.7 in)	0.4 mm (0.02 in)	103 years	20 of 100 (Routine)
20 August 2021	Wanneroo, AU	daily rain	25.4 mm (1.0 in)	3.6 mm (0.14 in)	58 years	31 of 100 (Routine)
2 March 2021	Wanneroo, AU	daily rain	32.0 mm (1.3 in)	29.4 mm (1.2 in)	4 years	51 of 100 (Notable)
30 August 2019	Wanneroo, AU	daily rain	24.6 mm (1.0 in)	1.2 mm (0.05 in)	98 years	20 of 100 (Routine)
14 August 2019	Wanneroo, AU	daily rain	35.0 mm (1.4 in)	6.8 mm (0.27 in)	98 years	47 of 100 (Notable)
5 July 2019	Wanneroo, AU	daily rain	52.0 mm (2.0 in)	6.4 mm (0.25 in)	20 years	22 of 100 (Routine)
29 August 2018	Wanneroo, AU	daily rain	17.6 mm (0.7 in)	4.6 mm (0.18 in)	93 years	20 of 100 (Routine)
3 July 2018	Wanneroo, AU	daily rain	24.2 mm (1.0 in)	1.2 mm (0.05 in)	21 years	17 of 100 (Routine)

Extremes by Year

1906 to 2026

Yearly extremes at Wanneroo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Wettest day (Rx1day)	94.6 mm (3.7 in)	2018	40.0 mm (1.6 in)	89
Wettest five days (Rx5day)	152.0 mm (6.0 in)	1920	61.0 mm (2.4 in)	87
Longest dry spell (CDD)	89 days	2023	43 days	89

Wettest day (Rx1day)

The wettest day of the year at Wanneroo, 1906 to 2026. The record is 94.6 mm (3.7 in) in 2018, marked on the chart; the median year is 40.0 mm (1.6 in).

Wettest day (Rx1day) at Wanneroo by year
Year	Wettest day (Rx1day)
1906	0.0 mm (0.00 in)
1907	48.0 mm (1.9 in)
1908	69.9 mm (2.8 in)
1909	53.3 mm (2.1 in)
1910	7.9 mm (0.31 in)
1911	10.2 mm (0.4 in)
1912	27.7 mm (1.1 in)
1913	1.3 mm (0.05 in)
1914	32.0 mm (1.3 in)
1915	38.4 mm (1.5 in)
1916	38.4 mm (1.5 in)
1917	45.5 mm (1.8 in)
1918	43.9 mm (1.7 in)
1919	47.8 mm (1.9 in)
1920	85.3 mm (3.4 in)
1921	53.8 mm (2.1 in)
1922	38.6 mm (1.5 in)
1923	46.2 mm (1.8 in)
1924	37.1 mm (1.5 in)
1925	39.9 mm (1.6 in)
1926	49.5 mm (1.9 in)
1927	36.8 mm (1.4 in)
1928	55.4 mm (2.2 in)
1929	56.9 mm (2.2 in)
1930	49.5 mm (1.9 in)
1963	22.9 mm (0.9 in)
1964	48.3 mm (1.9 in)
1965	56.9 mm (2.2 in)
1966	39.9 mm (1.6 in)
1967	70.1 mm (2.8 in)
1968	69.3 mm (2.7 in)
1969	48.8 mm (1.9 in)
1970	78.2 mm (3.1 in)
1971	39.9 mm (1.6 in)
1972	46.7 mm (1.8 in)
1973	44.2 mm (1.7 in)
1974	37.0 mm (1.5 in)
1975	18.8 mm (0.7 in)
1976	26.0 mm (1.0 in)
1977	25.0 mm (1.0 in)
1978	46.0 mm (1.8 in)
1979	40.0 mm (1.6 in)
1980	40.0 mm (1.6 in)
1981	29.4 mm (1.2 in)
1982	66.4 mm (2.6 in)
1983	35.4 mm (1.4 in)
1984	44.6 mm (1.8 in)
1985	56.0 mm (2.2 in)
1986	56.0 mm (2.2 in)
1987	92.0 mm (3.6 in)
1988	76.0 mm (3.0 in)
1989	41.4 mm (1.6 in)
1990	35.2 mm (1.4 in)
1991	35.2 mm (1.4 in)
1992	33.2 mm (1.3 in)
1993	32.6 mm (1.3 in)
1994	58.6 mm (2.3 in)
1995	82.0 mm (3.2 in)
1996	53.0 mm (2.1 in)
1997	29.6 mm (1.2 in)
1998	32.8 mm (1.3 in)
1999	47.2 mm (1.9 in)
2000	26.4 mm (1.0 in)
2001	33.0 mm (1.3 in)
2002	59.6 mm (2.3 in)
2003	36.2 mm (1.4 in)
2004	30.0 mm (1.2 in)
2005	54.1 mm (2.1 in)
2006	24.6 mm (1.0 in)
2007	24.0 mm (0.9 in)
2008	32.0 mm (1.3 in)
2009	33.0 mm (1.3 in)
2010	33.0 mm (1.3 in)
2011	31.0 mm (1.2 in)
2012	41.0 mm (1.6 in)
2013	41.2 mm (1.6 in)
2014	50.4 mm (2.0 in)
2015	21.0 mm (0.8 in)
2016	28.2 mm (1.1 in)
2017	78.8 mm (3.1 in)
2018	94.6 mm (3.7 in)
2019	52.0 mm (2.0 in)
2020	29.8 mm (1.2 in)
2021	34.8 mm (1.4 in)
2022	43.2 mm (1.7 in)
2023	37.2 mm (1.5 in)
2024	48.5 mm (1.9 in)
2025	65.0 mm (2.6 in)
2026	24.7 mm (1.0 in)

Wettest five days (Rx5day)

The wettest five days of the year at Wanneroo, 1906 to 2026. The record is 152.0 mm (6.0 in) in 1920, marked on the chart; the median year is 61.0 mm (2.4 in).

Wettest five days (Rx5day) at Wanneroo by year
Year	Wettest five days (Rx5day)
1906	0.0 mm (0.00 in)
1907	131.8 mm (5.2 in)
1908	87.0 mm (3.4 in)
1909	136.1 mm (5.4 in)
1910	11.7 mm (0.5 in)
1911	16.3 mm (0.6 in)
1912	65.8 mm (2.6 in)
1913	6.9 mm (0.27 in)
1914	63.3 mm (2.5 in)
1915	106.2 mm (4.2 in)
1916	71.8 mm (2.8 in)
1917	99.6 mm (3.9 in)
1918	99.1 mm (3.9 in)
1919	79.6 mm (3.1 in)
1920	152.0 mm (6.0 in)
1921	127.1 mm (5.0 in)
1922	73.5 mm (2.9 in)
1923	104.6 mm (4.1 in)
1924	85.3 mm (3.4 in)
1925	85.2 mm (3.4 in)
1926	115.1 mm (4.5 in)
1927	75.4 mm (3.0 in)
1928	118.9 mm (4.7 in)
1929	100.2 mm (3.9 in)
1930	113.1 mm (4.5 in)
1963	19.6 mm (0.8 in)
1964	105.7 mm (4.2 in)
1965	140.2 mm (5.5 in)
1966	56.7 mm (2.2 in)
1967	87.6 mm (3.4 in)
1968	102.8 mm (4.0 in)
1969	108.2 mm (4.3 in)
1970	92.2 mm (3.6 in)
1971	55.4 mm (2.2 in)
1972	59.1 mm (2.3 in)
1973	64.3 mm (2.5 in)
1974	117.0 mm (4.6 in)
1975	24.6 mm (1.0 in)
1976	37.0 mm (1.5 in)
1977	54.0 mm (2.1 in)
1978	78.6 mm (3.1 in)
1979	54.5 mm (2.1 in)
1980	66.8 mm (2.6 in)
1981	29.4 mm (1.2 in)
1982	46.6 mm (1.8 in)
1983	45.2 mm (1.8 in)
1984	49.6 mm (2.0 in)
1985	61.0 mm (2.4 in)
1986	108.2 mm (4.3 in)
1987	110.0 mm (4.3 in)
1988	78.4 mm (3.1 in)
1989	74.6 mm (2.9 in)
1990	55.2 mm (2.2 in)
1991	59.7 mm (2.4 in)
1992	39.2 mm (1.5 in)
1993	43.0 mm (1.7 in)
1994	62.8 mm (2.5 in)
1995	89.2 mm (3.5 in)
1996	39.6 mm (1.6 in)
1997	33.4 mm (1.3 in)
1998	75.6 mm (3.0 in)
1999	51.0 mm (2.0 in)
2000	48.9 mm (1.9 in)
2001	36.0 mm (1.4 in)
2002	76.8 mm (3.0 in)
2003	31.4 mm (1.2 in)
2004	46.0 mm (1.8 in)
2005	88.1 mm (3.5 in)
2006	35.8 mm (1.4 in)
2007	45.6 mm (1.8 in)
2008	48.8 mm (1.9 in)
2009	23.5 mm (0.9 in)
2010	33.0 mm (1.3 in)
2011	n/a
2012	n/a
2013	49.6 mm (2.0 in)
2014	63.2 mm (2.5 in)
2015	40.8 mm (1.6 in)
2016	31.8 mm (1.3 in)
2017	89.8 mm (3.5 in)
2018	95.1 mm (3.7 in)
2019	49.0 mm (1.9 in)
2020	50.4 mm (2.0 in)
2021	42.2 mm (1.7 in)
2022	42.0 mm (1.7 in)
2023	37.4 mm (1.5 in)
2024	34.2 mm (1.3 in)
2025	38.7 mm (1.5 in)
2026	25.2 mm (1.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Wanneroo, 1906 to 2026. The record is 89 days in 2023, marked on the chart; the median year is 43 days.

Longest dry spell (CDD) at Wanneroo by year
Year	Longest dry spell (CDD)
1906	31 days
1907	32 days
1908	38 days
1909	49 days
1910	19 days
1911	24 days
1912	78 days
1913	19 days
1914	36 days
1915	22 days
1916	31 days
1917	40 days
1918	25 days
1919	37 days
1920	56 days
1921	41 days
1922	45 days
1923	53 days
1924	71 days
1925	23 days
1926	44 days
1927	29 days
1928	63 days
1929	40 days
1930	54 days
1963	34 days
1964	54 days
1965	55 days
1966	42 days
1967	44 days
1968	32 days
1969	48 days
1970	51 days
1971	35 days
1972	47 days
1973	57 days
1974	50 days
1975	28 days
1976	35 days
1977	69 days
1978	37 days
1979	51 days
1980	39 days
1981	48 days
1982	39 days
1983	31 days
1984	52 days
1985	66 days
1986	44 days
1987	72 days
1988	50 days
1989	39 days
1990	26 days
1991	53 days
1992	38 days
1993	46 days
1994	83 days
1995	31 days
1996	44 days
1997	52 days
1998	54 days
1999	43 days
2000	45 days
2001	41 days
2002	61 days
2003	42 days
2004	35 days
2005	64 days
2006	29 days
2007	32 days
2008	37 days
2009	37 days
2010	50 days
2011	1 day
2012	1 day
2013	26 days
2014	79 days
2015	37 days
2016	25 days
2017	38 days
2018	66 days
2019	57 days
2020	52 days
2021	36 days
2022	60 days
2023	89 days
2024	55 days
2025	72 days
2026	44 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.

Rainfall Return Levels

33 years, 1907 to 2004

A day with at least 46.4 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 106.1 mm (4.2 in) of rain is expected about once in 100 years.

Rainfall return levels at Wanneroo: the daily rain expected about once in a given number of years
Expected about once in	A day with at least	Note
2 years	46.4 mm (1.8 in)
5 years	60.0 mm (2.4 in)
10 years	69.9 mm (2.8 in)
25 years	83.5 mm (3.3 in)
50 years	94.4 mm (3.7 in)	Longer than the 33 years of record
100 years	106.1 mm (4.2 in)	Longer than the 33 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, 33 years of values from 1907 to 2004.

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: 92.0 mm (3.6 in) in 1987; 85.3 mm (3.4 in) in 1920; 76.0 mm (3.0 in) in 1988.

Download the Data

Data for Wanneroo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wanneroo 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	n/a	n/a	n/a	n/a
May	n/a	n/a	n/a	n/a
Jun	n/a	n/a	n/a	n/a
Jul	n/a	n/a	n/a	n/a
Aug	n/a	n/a	n/a	n/a
Sep	n/a	n/a	n/a	n/a
Oct	n/a	n/a	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a