Whyalla climate — normals and trends

Q: What is the climate of Whyalla?

Whyalla has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 246 mm of precipitation per year.

Q: What is the hottest day ever recorded in Whyalla?

The hottest day measured in Whyalla between 1940 and 2025 was 24 January 2019, reaching 48.2 °C.

Q: What is the coldest day in Whyalla?

The coldest day measured in Whyalla between 1940 and 2025 was 8 July 1995, at -0.4 °C.

Q: Does it snow in Whyalla?

Almost never: Whyalla sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Whyalla warmed?

Yes: Whyalla warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Whyalla?

The wettest day measured in Whyalla between 1940 and 2025 was 5 February 1973, with 80 mm of rain in 24 hours.

Q: What was the windiest day in Whyalla?

The windiest day measured in Whyalla between 1940 and 2025 was 1 December 1987, with winds reaching 56.4 km/h.

Q: What is the warmest month in Whyalla?

The warmest month in Whyalla is January (24.4 °C on average); the coldest is July (11.4 °C).

Q: How much does it rain in Whyalla?

Whyalla receives on average 246 mm of precipitation per year, spread over about 46 rainy days.

Q: Is it sunny in Whyalla?

Whyalla gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Whyalla (Australia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 246 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is January (24.4 °C on average) and the coldest is July (11.4 °C). Rainfall peaks in December.

Whyalla averages 0 frost days, 74 hot days (≥ 30 °C) and 46 rainy days per year.

Whyalla has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.

The hottest day of the period reached 48.2 °C (on 24 January 2019) and the coldest -0.4 °C (on 8 July 1995).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

WhyallaSouth Australia

coords: -33.03°, 137.56°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthJanuaryColdest monthJulyWettest monthDecemberDriest monthMarch

Mean daily temperature

18.1°C

Average daily high

24.0°C

Average daily low

12.5°C

Annual rainfall

246mm

Sunshine / day

10.6h

Mean relative humidity

58%

Average peak wind

21.3km/h

Seasonal range

13.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

74 d/yr

Rainy days (≥ 1 mm)

46 d/yr

Annual snowfall

0.0 cm

Average feels-like high

21.9 °C

Average feels-like low

10.4 °C

Average peak gust

41.3 km/h

Tropical nights (≥ 20 °C)

25 d/yr

Solar radiation

18.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.8 °C

since 1940

+0.1 °C per decade · r² = 0.26 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

48.2 °C

24 January 2019

Coldest day

-0.4 °C

8 July 1995

Wettest day

80 mm

5 February 1973

Windiest day

56.4 km/h

1 December 1987

Strongest gust

102.2 km/h

1 December 1987

Hottest feels-like

47.7 °C

10 February 2017

Coldest feels-like

-4.4 °C

8 July 1995

Sunniest day

14.0 h

2 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	44.4 °C12 February 2025	2.5 °C18 July 2025	18.6 °C	200 mm	91	0
2024	44.4 °C23 January 2024	0.8 °C30 July 2024	18.7 °C	192 mm	81	0
2023	43.3 °C10 November 2023	2.6 °C18 July 2023	18.1 °C	276 mm	72	0
2022	42.4 °C27 December 2022	1.8 °C10 July 2022	17.7 °C	386 mm	59	0
2021	43.7 °C24 January 2021	2.0 °C27 August 2021	17.7 °C	236 mm	62	0
2020	45.0 °C30 January 2020	0.3 °C10 June 2020	17.9 °C	294 mm	71	0
2019	48.2 °C24 January 2019	1.8 °C7 June 2019	18.6 °C	121 mm	98	0
2018	45.2 °C19 January 2018	0.9 °C28 June 2018	18.6 °C	132 mm	84	0
2017	44.3 °C17 January 2017	-0.3 °C4 June 2017	18.4 °C	250 mm	85	1
2016	41.6 °C25 December 2016	0.5 °C16 July 2016	18.0 °C	407 mm	82	0
2015	45.5 °C19 December 2015	1.0 °C1 July 2015	18.3 °C	251 mm	88	0
2014	44.4 °C14 January 2014	0.8 °C2 August 2014	18.7 °C	230 mm	85	0
2013	46.8 °C4 January 2013	1.5 °C15 August 2013	18.9 °C	229 mm	100	0
2012	44.4 °C23 December 2012	0.8 °C7 July 2012	18.0 °C	255 mm	91	0
2011	45.7 °C25 January 2011	1.8 °C28 August 2011	18.3 °C	324 mm	75	0
2010	43.8 °C31 December 2010	1.5 °C15 June 2010	18.0 °C	332 mm	83	0
2009	45.9 °C19 November 2009	2.5 °C8 August 2009	18.9 °C	204 mm	91	0
2008	44.8 °C10 January 2008	0.3 °C25 July 2008	18.1 °C	215 mm	74	0
2007	43.7 °C10 January 2007	1.5 °C15 June 2007	18.8 °C	299 mm	98	0
2006	45.3 °C21 January 2006	1.8 °C8 June 2006	18.1 °C	187 mm	85	0
2005	44.9 °C30 December 2005	2.1 °C7 August 2005	18.5 °C	257 mm	82	0
2004	45.8 °C14 February 2004	3.2 °C15 August 2004	18.1 °C	225 mm	80	0
2003	46.8 °C25 January 2003	2.1 °C1 August 2003	18.0 °C	291 mm	68	0
2002	44.2 °C10 January 2002	-0.1 °C1 July 2002	18.0 °C	133 mm	78	1
2001	47.3 °C13 January 2001	2.5 °C18 June 2001	17.9 °C	277 mm	68	0
2000	43.7 °C4 February 2000	3.2 °C29 July 2000	18.6 °C	220 mm	74	0
1999	43.6 °C10 January 1999	1.5 °C2 August 1999	18.1 °C	218 mm	70	0
1998	42.9 °C17 January 1998	1.0 °C18 June 1998	17.7 °C	337 mm	63	0
1997	44.5 °C25 November 1997	1.1 °C6 July 1997	18.0 °C	367 mm	76	0
1996	45.2 °C14 January 1996	3.3 °C25 September 1996	17.7 °C	223 mm	76	0
1995	40.0 °C24 February 1995	-0.4 °C8 July 1995	17.7 °C	312 mm	65	1
1994	44.1 °C25 January 1994	2.1 °C21 August 1994	18.0 °C	174 mm	72	0
1993	44.3 °C30 November 1993	3.6 °C26 June 1993	18.2 °C	319 mm	65	0
1992	40.6 °C17 February 1992	1.7 °C27 June 1992	17.3 °C	495 mm	54	0
1991	44.2 °C4 February 1991	3.9 °C1 September 1991	18.5 °C	264 mm	77	0
1990	44.4 °C2 January 1990	3.7 °C20 June 1990	18.4 °C	285 mm	78	0
1989	40.4 °C31 December 1989	3.1 °C25 July 1989	18.1 °C	338 mm	69	0
1988	43.1 °C12 January 1988	4.2 °C12 August 1988	18.8 °C	183 mm	69	0
1987	41.0 °C14 December 1987	2.3 °C29 July 1987	18.0 °C	280 mm	72	0
1986	43.3 °C6 March 1986	2.8 °C12 July 1986	17.8 °C	217 mm	64	0
1985	42.5 °C14 January 1985	3.1 °C13 July 1985	17.9 °C	217 mm	70	0
1984	40.8 °C24 December 1984	3.2 °C20 June 1984	17.7 °C	272 mm	57	0
1983	45.1 °C16 February 1983	2.1 °C22 July 1983	18.1 °C	326 mm	65	0
1982	45.4 °C23 January 1982	3.4 °C17 July 1982	18.7 °C	138 mm	84	0
1981	44.4 °C15 February 1981	3.7 °C29 August 1981	18.7 °C	236 mm	81	0
1980	44.2 °C20 February 1980	4.2 °C3 August 1980	18.7 °C	203 mm	73	0
1979	44.2 °C4 January 1979	3.3 °C29 July 1979	18.2 °C	350 mm	72	0
1978	41.3 °C3 February 1978	2.8 °C23 August 1978	17.6 °C	272 mm	68	0
1977	41.1 °C28 January 1977	2.8 °C30 July 1977	18.4 °C	169 mm	77	0
1976	43.6 °C30 December 1976	0.6 °C20 July 1976	17.7 °C	190 mm	69	0
1975	42.7 °C11 December 1975	2.9 °C11 July 1975	17.6 °C	285 mm	60	0
1974	39.7 °C14 December 1974	4.2 °C16 June 1974	17.3 °C	457 mm	60	0
1973	43.9 °C2 January 1973	2.9 °C18 June 1973	17.9 °C	495 mm	70	0
1972	43.6 °C21 December 1972	2.0 °C22 June 1972	18.0 °C	190 mm	68	0
1971	43.3 °C8 January 1971	2.8 °C11 July 1971	17.8 °C	220 mm	73	0
1970	42.9 °C8 February 1970	2.3 °C16 September 1970	17.7 °C	135 mm	70	0
1969	42.8 °C21 January 1969	0.8 °C6 June 1969	17.5 °C	260 mm	63	0
1968	45.2 °C31 January 1968	2.7 °C16 August 1968	17.8 °C	361 mm	78	0
1967	40.9 °C6 February 1967	2.5 °C7 August 1967	18.0 °C	130 mm	73	0
1966	41.8 °C26 January 1966	2.9 °C17 July 1966	17.7 °C	276 mm	71	0
1965	42.6 °C21 February 1965	2.2 °C18 July 1965	18.4 °C	179 mm	88	0
1964	43.7 °C6 January 1964	3.5 °C11 June 1964	17.6 °C	235 mm	59	0
1963	43.4 °C12 February 1963	3.5 °C14 July 1963	18.1 °C	270 mm	85	0
1962	43.2 °C30 November 1962	3.6 °C27 June 1962	18.1 °C	205 mm	67	0
1961	41.6 °C27 December 1961	2.9 °C23 June 1961	18.4 °C	173 mm	86	0
1960	46.9 °C2 January 1960	2.3 °C12 July 1960	17.3 °C	201 mm	72	0
1959	43.1 °C17 January 1959	2.7 °C16 June 1959	18.3 °C	142 mm	78	0
1958	40.1 °C9 January 1958	0.6 °C29 June 1958	17.5 °C	209 mm	56	0
1957	43.3 °C1 December 1957	1.7 °C11 August 1957	18.3 °C	122 mm	65	0
1956	40.8 °C8 January 1956	2.9 °C20 June 1956	17.7 °C	247 mm	62	0
1955	43.1 °C2 January 1955	3.5 °C8 July 1955	18.0 °C	284 mm	59	0
1954	40.5 °C25 December 1954	2.1 °C15 August 1954	17.7 °C	214 mm	62	0
1953	43.4 °C19 December 1953	2.6 °C21 September 1953	18.1 °C	210 mm	75	0
1952	41.4 °C22 January 1952	1.8 °C19 July 1952	17.4 °C	148 mm	61	0
1951	43.6 °C5 December 1951	2.7 °C1 July 1951	18.4 °C	136 mm	98	0
1950	43.6 °C11 December 1950	3.1 °C18 June 1950	18.3 °C	182 mm	80	0
1949	42.9 °C27 December 1949	3.1 °C12 July 1949	17.1 °C	228 mm	54	0
1948	44.9 °C22 January 1948	2.9 °C15 June 1948	17.5 °C	280 mm	60	0
1947	44.3 °C26 January 1947	3.6 °C25 August 1947	17.7 °C	304 mm	76	0
1946	44.6 °C31 January 1946	2.2 °C19 August 1946	17.5 °C	214 mm	71	0
1945	42.6 °C26 November 1945	1.6 °C8 June 1945	17.2 °C	272 mm	64	0
1944	44.4 °C22 January 1944	0.8 °C23 June 1944	17.5 °C	246 mm	81	0
1943	42.4 °C31 December 1943	1.4 °C20 July 1943	17.1 °C	205 mm	74	0
1942	43.6 °C3 January 1942	0.2 °C6 August 1942	17.3 °C	222 mm	64	0
1941	43.4 °C21 February 1941	0.9 °C8 August 1941	17.4 °C	233 mm	88	0
1940	42.6 °C5 December 1940	1.0 °C8 June 1940	17.9 °C	205 mm	85	0

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

24.9 °C

+0.9 °C

Hot days (≥ 30 °C)

91 d/yr

+17

Frost days (< 0 °C)

0 d/yr

Annual rainfall

201 mm

-46 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.0 °C	+1.1 °C	1 mm	-19 mm
Feb	32.7 °C	+2.3 °C	1 mm	-19 mm
Mar	31.3 °C	+3.1 °C	4 mm	-9 mm
Apr	26.4 °C	+2.1 °C	4 mm	-14 mm
May	21.6 °C	+1.5 °C	3 mm	-18 mm
Jun	16.9 °C	0.0 °C	19 mm	-3 mm
Jul	16.4 °C	-0.1 °C	52 mm	+31 mm
Aug	18.1 °C	0.0 °C	17 mm	-6 mm
Sep	22.6 °C	+1.2 °C	32 mm	+9 mm
Oct	25.9 °C	+1.4 °C	32 mm	+9 mm
Nov	25.8 °C	-1.5 °C	37 mm	+16 mm
Dec	30.2 °C	+0.9 °C	1 mm	-23 mm

The year's extremes

Hottest day

44.4 °C

12 Feb 2025

Coldest day

2.5 °C

18 Jul 2025

Wettest day

20.1 mm

28 Nov 2025

Windiest day

43.3 km/h

26 May 2025

Strongest gust

78.5 km/h

29 Aug 2025

Hottest feels-like

43.7 °C

3 Feb 2025

Coldest feels-like

-0.8 °C

20 May 2025

Sunniest day

14.0 h

1 Jan 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Whyalla?

Whyalla has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 246 mm of precipitation per year.

What is the hottest day ever recorded in Whyalla?

The hottest day measured in Whyalla between 1940 and 2025 was 24 January 2019, reaching 48.2 °C.

What is the coldest day in Whyalla?

The coldest day measured in Whyalla between 1940 and 2025 was 8 July 1995, at -0.4 °C.

Does it snow in Whyalla?

Almost never: Whyalla sees virtually no snow, with about 0 frost days per year.

Has the climate of Whyalla warmed?

Yes: Whyalla warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Whyalla?

The wettest day measured in Whyalla between 1940 and 2025 was 5 February 1973, with 80 mm of rain in 24 hours.

What was the windiest day in Whyalla?

The windiest day measured in Whyalla between 1940 and 2025 was 1 December 1987, with winds reaching 56.4 km/h.

What is the warmest month in Whyalla?

The warmest month in Whyalla is January (24.4 °C on average); the coldest is July (11.4 °C).

How much does it rain in Whyalla?

Whyalla receives on average 246 mm of precipitation per year, spread over about 46 rainy days.

Is it sunny in Whyalla?

Whyalla gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Are there tropical nights in Whyalla?

Yes: Whyalla has on average 25 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Whyalla?

In Whyalla, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 10 February 2017, and the lowest was -4.4 °C on 8 July 1995.

Compare Whyalla with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Whyalla

Gawler206 km away

Other cities — Australia

All cities in Australia →