Byford climate — normals and trends

Q: What is the climate of Byford?

Byford has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.6 °C and it receives 592 mm of precipitation per year.

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

The hottest day measured in Byford between 1940 and 2025 was 23 February 1991, reaching 44.5 °C.

Q: What is the coldest day in Byford?

The coldest day measured in Byford between 1940 and 2025 was 17 June 2006, at 1.2 °C.

Q: Does it snow in Byford?

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

Q: Has the climate of Byford warmed?

Yes: Byford warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Byford?

The wettest day measured in Byford between 1940 and 2025 was 15 January 2018, with 98 mm of rain in 24 hours.

Q: What was the windiest day in Byford?

The windiest day measured in Byford between 1940 and 2025 was 4 April 1978, with winds reaching 54.6 km/h.

Q: What is the warmest month in Byford?

The warmest month in Byford is February (24.2 °C on average); the coldest is July (11.8 °C).

Q: How much does it rain in Byford?

Byford receives on average 592 mm of precipitation per year, spread over about 78 rainy days.

Q: Is it sunny in Byford?

Byford gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Byford (Australia) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.6 °C and it receives 592 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 February (24.2 °C on average) and the coldest is July (11.8 °C). Rainfall peaks in July.

Byford averages 0 frost days, 67 hot days (≥ 30 °C) and 78 rainy days per year.

Byford has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.

The hottest day of the period reached 44.5 °C (on 23 February 1991) and the coldest 1.2 °C (on 17 June 2006).

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

ByfordWestern Australia

coords: -32.22°, 116.01°
period: 1940–2025 · 86 yrs

CsaHot-summer MediterraneanWarmest monthFebruaryColdest monthJulyWettest monthJulyDriest monthDecember

Mean daily temperature

17.6°C

Average daily high

23.0°C

Average daily low

12.6°C

Annual rainfall

592mm

Sunshine / day

10.9h

Mean relative humidity

65%

Average peak wind

20.6km/h

Seasonal range

12.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

67 d/yr

Rainy days (≥ 1 mm)

78 d/yr

Annual snowfall

0.0 cm

Average feels-like high

22.1 °C

Average feels-like low

10.4 °C

Average peak gust

42.2 km/h

Tropical nights (≥ 20 °C)

22 d/yr

Solar radiation

19.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.5 °C

since 1940

+0.1 °C per decade · r² = 0.10 · p = 0.003

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

44.5 °C

23 February 1991

Coldest day

1.2 °C

17 June 2006

Wettest day

98 mm

15 January 2018

Windiest day

54.6 km/h

4 April 1978

Strongest gust

110.5 km/h

22 September 1988

Hottest feels-like

45.7 °C

21 February 1955

Coldest feels-like

-2.7 °C

17 June 2006

Sunniest day

13.9 h

25 November 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	42.1 °C20 January 2025	1.9 °C25 July 2025	18.0 °C	607 mm	69
2024	41.9 °C19 February 2024	4.6 °C24 July 2024	18.8 °C	523 mm	78
2023	38.0 °C23 November 2023	2.6 °C27 June 2023	18.0 °C	408 mm	83
2022	40.3 °C5 February 2022	3.8 °C18 August 2022	17.6 °C	569 mm	60
2021	41.5 °C26 December 2021	4.0 °C22 June 2021	17.6 °C	711 mm	66
2020	39.4 °C4 February 2020	5.0 °C10 July 2020	17.9 °C	550 mm	74
2019	39.6 °C20 January 2019	3.1 °C18 May 2019	17.8 °C	446 mm	73
2018	38.5 °C22 December 2018	3.5 °C16 September 2018	17.3 °C	655 mm	46
2017	39.8 °C26 January 2017	3.4 °C2 August 2017	17.5 °C	713 mm	54
2016	40.7 °C8 February 2016	2.2 °C13 July 2016	17.0 °C	544 mm	64
2015	41.5 °C5 January 2015	2.3 °C9 July 2015	18.2 °C	426 mm	75
2014	41.5 °C11 January 2014	2.9 °C23 June 2014	18.1 °C	524 mm	74
2013	38.7 °C12 February 2013	3.0 °C8 July 2013	18.2 °C	596 mm	77
2012	39.6 °C31 December 2012	1.8 °C25 July 2012	18.0 °C	550 mm	67
2011	38.8 °C29 January 2011	3.5 °C4 July 2011	18.6 °C	747 mm	90
2010	41.0 °C18 January 2010	1.5 °C25 June 2010	17.9 °C	282 mm	81
2009	39.6 °C16 January 2009	4.0 °C14 July 2009	17.8 °C	561 mm	75
2008	41.0 °C17 January 2008	2.0 °C22 September 2008	17.3 °C	614 mm	64
2007	41.8 °C26 December 2007	4.3 °C12 August 2007	17.3 °C	540 mm	60
2006	38.3 °C16 December 2006	1.2 °C17 June 2006	17.6 °C	411 mm	67
2005	40.0 °C15 February 2005	1.8 °C7 July 2005	16.8 °C	569 mm	47
2004	39.7 °C22 March 2004	2.2 °C11 September 2004	17.5 °C	528 mm	69
2003	39.6 °C10 March 2003	3.3 °C12 June 2003	17.7 °C	624 mm	66
2002	39.2 °C19 December 2002	2.9 °C16 September 2002	17.5 °C	564 mm	57
2001	38.0 °C3 March 2001	2.2 °C5 July 2001	17.0 °C	385 mm	50
2000	39.4 °C27 December 2000	4.2 °C4 August 2000	17.7 °C	578 mm	63
1999	39.1 °C20 January 1999	3.4 °C8 August 1999	18.1 °C	739 mm	75
1998	41.0 °C7 January 1998	1.8 °C27 July 1998	17.7 °C	587 mm	74
1997	42.1 °C1 January 1997	2.2 °C15 July 1997	17.8 °C	540 mm	67
1996	41.1 °C11 February 1996	3.7 °C14 August 1996	17.9 °C	782 mm	68
1995	38.4 °C19 February 1995	4.9 °C31 August 1995	17.7 °C	608 mm	64
1994	39.7 °C20 January 1994	3.5 °C3 September 1994	18.0 °C	413 mm	74
1993	39.2 °C17 December 1993	2.8 °C17 July 1993	17.1 °C	465 mm	55
1992	37.8 °C16 January 1992	3.1 °C17 August 1992	17.3 °C	778 mm	49
1991	44.5 °C23 February 1991	4.1 °C8 July 1991	17.8 °C	640 mm	61
1990	38.1 °C27 February 1990	2.1 °C26 July 1990	16.8 °C	649 mm	43
1989	42.2 °C1 February 1989	2.9 °C4 August 1989	17.3 °C	512 mm	64
1988	40.0 °C4 January 1988	4.2 °C4 June 1988	18.2 °C	792 mm	85
1987	39.6 °C18 December 1987	2.8 °C1 August 1987	17.5 °C	574 mm	67
1986	41.1 °C24 January 1986	1.7 °C13 August 1986	16.8 °C	512 mm	57
1985	43.0 °C25 February 1985	3.4 °C6 August 1985	17.9 °C	534 mm	68
1984	40.8 °C31 January 1984	2.4 °C7 June 1984	17.2 °C	636 mm	56
1983	39.8 °C16 January 1983	2.3 °C11 July 1983	18.0 °C	752 mm	64
1982	42.7 °C4 February 1982	2.8 °C2 July 1982	17.2 °C	560 mm	57
1981	40.5 °C7 January 1981	1.4 °C22 June 1981	17.0 °C	660 mm	61
1980	43.2 °C22 January 1980	3.1 °C5 October 1980	17.2 °C	536 mm	68
1979	40.7 °C26 January 1979	2.2 °C4 September 1979	17.2 °C	500 mm	66
1978	41.9 °C11 January 1978	3.9 °C23 July 1978	18.0 °C	501 mm	88
1977	39.7 °C4 January 1977	3.0 °C3 September 1977	17.6 °C	505 mm	79
1976	40.4 °C1 January 1976	3.4 °C27 July 1976	17.4 °C	619 mm	65
1975	42.7 °C3 February 1975	1.7 °C2 August 1975	17.0 °C	567 mm	56
1974	41.2 °C25 January 1974	3.0 °C14 August 1974	17.1 °C	883 mm	67
1973	40.0 °C16 January 1973	2.2 °C1 September 1973	16.9 °C	640 mm	71
1972	39.7 °C10 December 1972	2.2 °C10 August 1972	18.1 °C	578 mm	92
1971	41.8 °C22 January 1971	3.1 °C22 July 1971	16.3 °C	696 mm	54
1970	39.5 °C1 February 1970	3.8 °C19 July 1970	17.2 °C	796 mm	68
1969	42.5 °C5 January 1969	2.5 °C6 August 1969	17.4 °C	444 mm	63
1968	42.2 °C15 January 1968	1.7 °C28 August 1968	16.1 °C	732 mm	38
1967	38.7 °C1 February 1967	4.1 °C30 July 1967	17.8 °C	647 mm	69
1966	40.0 °C21 January 1966	1.9 °C9 August 1966	17.1 °C	564 mm	56
1965	40.9 °C5 January 1965	4.4 °C15 August 1965	17.6 °C	790 mm	64
1964	39.5 °C8 March 1964	3.2 °C26 May 1964	17.1 °C	925 mm	51
1963	40.2 °C19 January 1963	4.9 °C15 June 1963	18.2 °C	1,104 mm	60
1962	40.0 °C4 February 1962	3.5 °C18 August 1962	17.9 °C	734 mm	74
1961	43.0 °C18 January 1961	4.8 °C25 July 1961	18.0 °C	513 mm	71
1960	38.1 °C24 December 1960	1.9 °C1 August 1960	16.6 °C	459 mm	49
1959	40.8 °C28 January 1959	4.7 °C18 September 1959	18.1 °C	462 mm	69
1958	39.4 °C11 January 1958	4.2 °C5 August 1958	18.1 °C	649 mm	103
1957	38.2 °C10 January 1957	2.3 °C14 July 1957	17.5 °C	696 mm	62
1956	42.5 °C29 January 1956	2.4 °C6 September 1956	17.0 °C	666 mm	60
1955	39.6 °C21 February 1955	1.7 °C22 June 1955	17.1 °C	780 mm	66
1954	39.7 °C10 January 1954	2.9 °C8 August 1954	17.2 °C	519 mm	67
1953	38.1 °C20 January 1953	3.2 °C8 August 1953	17.2 °C	660 mm	59
1952	39.9 °C31 January 1952	3.2 °C15 July 1952	17.2 °C	519 mm	70
1951	42.5 °C4 February 1951	3.1 °C18 August 1951	17.1 °C	472 mm	58
1950	41.1 °C28 February 1950	3.7 °C2 July 1950	17.8 °C	600 mm	85
1949	38.7 °C17 January 1949	3.9 °C21 September 1949	17.9 °C	628 mm	79
1948	41.7 °C24 January 1948	3.5 °C15 August 1948	17.4 °C	570 mm	70
1947	38.5 °C1 February 1947	2.8 °C6 September 1947	16.7 °C	610 mm	54
1946	37.4 °C17 December 1946	3.7 °C18 August 1946	17.1 °C	505 mm	69
1945	41.5 °C6 January 1945	3.5 °C25 August 1945	17.9 °C	523 mm	97
1944	42.6 °C3 February 1944	3.4 °C13 August 1944	17.6 °C	406 mm	64
1943	38.9 °C24 December 1943	3.1 °C6 August 1943	17.5 °C	355 mm	75
1942	40.1 °C2 January 1942	2.8 °C22 June 1942	17.2 °C	608 mm	64
1941	39.7 °C21 January 1941	1.9 °C30 July 1941	17.5 °C	527 mm	89
1940	40.6 °C23 December 1940	2.2 °C23 July 1940	17.3 °C	445 mm	78

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

23.7 °C

+0.7 °C

Hot days (≥ 30 °C)

69 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

607 mm

+15 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.1 °C	+1.0 °C	10 mm	-2 mm
Feb	30.2 °C	-0.9 °C	2 mm	-13 mm
Mar	30.3 °C	+1.7 °C	42 mm	+26 mm
Apr	25.0 °C	+0.9 °C	11 mm	-21 mm
May	22.3 °C	+2.4 °C	22 mm	-51 mm
Jun	18.1 °C	+1.2 °C	106 mm	-8 mm
Jul	15.6 °C	-0.2 °C	126 mm	+9 mm
Aug	16.8 °C	+0.4 °C	147 mm	+51 mm
Sep	19.0 °C	+0.8 °C	65 mm	+8 mm
Oct	20.5 °C	-0.5 °C	42 mm	+10 mm
Nov	25.0 °C	+0.2 °C	29 mm	+8 mm
Dec	29.8 °C	+1.4 °C	6 mm	-4 mm

The year's extremes

Hottest day

42.1 °C

20 Jan 2025

Coldest day

1.9 °C

25 Jul 2025

Wettest day

37.9 mm

13 Mar 2025

Windiest day

41.7 km/h

14 Sep 2025

Strongest gust

84.6 km/h

14 Sep 2025

Hottest feels-like

43.2 °C

20 Jan 2025

Coldest feels-like

-1.0 °C

25 Jul 2025

Sunniest day

13.9 h

26 Nov 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 Byford?

Byford has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.6 °C and it receives 592 mm of precipitation per year.

What is the hottest day ever recorded in Byford?

The hottest day measured in Byford between 1940 and 2025 was 23 February 1991, reaching 44.5 °C.

What is the coldest day in Byford?

The coldest day measured in Byford between 1940 and 2025 was 17 June 2006, at 1.2 °C.

Does it snow in Byford?

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

Has the climate of Byford warmed?

Yes: Byford warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Byford?

The wettest day measured in Byford between 1940 and 2025 was 15 January 2018, with 98 mm of rain in 24 hours.

What was the windiest day in Byford?

The windiest day measured in Byford between 1940 and 2025 was 4 April 1978, with winds reaching 54.6 km/h.

What is the warmest month in Byford?

The warmest month in Byford is February (24.2 °C on average); the coldest is July (11.8 °C).

How much does it rain in Byford?

Byford receives on average 592 mm of precipitation per year, spread over about 78 rainy days.

Is it sunny in Byford?

Byford gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.

Are there tropical nights in Byford?

Yes: Byford has on average 22 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Byford?

In Byford, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 21 February 1955, and the lowest was -2.7 °C on 17 June 2006.

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