Grafton climate — normals and trends

Q: What is the climate of Grafton?

Grafton has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 860 mm of precipitation per year.

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

The hottest day measured in Grafton between 1940 and 2025 was 12 February 2017, reaching 41.7 °C.

Q: What is the coldest day in Grafton?

The coldest day measured in Grafton between 1940 and 2025 was 29 July 2003, at -0.7 °C.

Q: Does it snow in Grafton?

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

Q: Has the climate of Grafton warmed?

Yes: Grafton warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Grafton?

The wettest day measured in Grafton between 1940 and 2025 was 10 March 1974, with 237 mm of rain in 24 hours.

Q: What was the windiest day in Grafton?

The windiest day measured in Grafton between 1940 and 2025 was 20 February 1954, with winds reaching 47.4 km/h.

Q: What is the warmest month in Grafton?

The warmest month in Grafton is January (23.3 °C on average); the coldest is July (12.2 °C).

Q: How much does it rain in Grafton?

Grafton receives on average 860 mm of precipitation per year, spread over about 109 rainy days.

Q: Is it sunny in Grafton?

Grafton gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Grafton (Australia) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.3 °C and it receives 860 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 (23.3 °C on average) and the coldest is July (12.2 °C). Rainfall peaks in February.

Grafton averages 0 frost days, 34 hot days (≥ 30 °C) and 109 rainy days per year.

Grafton has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.7 °C (on 12 February 2017) and the coldest -0.7 °C (on 29 July 2003).

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

GraftonNew South Wales

coords: -29.68°, 152.93°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthFebruaryDriest monthSeptember

Mean daily temperature

18.3°C

Average daily high

23.7°C

Average daily low

13.9°C

Annual rainfall

860mm

Sunshine / day

10.4h

Mean relative humidity

73%

Average peak wind

13.9km/h

Seasonal range

11.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

34 d/yr

Rainy days (≥ 1 mm)

109 d/yr

Annual snowfall

0.0 cm

Average feels-like high

24.1 °C

Average feels-like low

13.5 °C

Average peak gust

34.2 km/h

Tropical nights (≥ 20 °C)

36 d/yr

Solar radiation

17.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.36 · 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

41.7 °C

12 February 2017

Coldest day

-0.7 °C

29 July 2003

Wettest day

237 mm

10 March 1974

Windiest day

47.4 km/h

20 February 1954

Strongest gust

114.8 km/h

20 February 1954

Hottest feels-like

43.7 °C

26 January 1940

Coldest feels-like

-4.8 °C

29 July 2003

Sunniest day

13.8 h

6 January 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.5 °C22 January 2025	3.5 °C12 June 2025	19.1 °C	1,250 mm	42	0
2024	37.6 °C26 January 2024	3.6 °C22 July 2024	19.3 °C	1,206 mm	43	0
2023	37.7 °C12 February 2023	1.8 °C25 June 2023	18.7 °C	694 mm	55	0
2022	34.9 °C20 November 2022	1.9 °C9 June 2022	18.1 °C	1,573 mm	16	0
2021	34.3 °C20 December 2021	3.3 °C30 July 2021	18.2 °C	1,388 mm	23	0
2020	37.8 °C29 November 2020	1.8 °C5 July 2020	19.1 °C	1,162 mm	51	0
2019	38.2 °C13 February 2019	2.4 °C16 July 2019	19.5 °C	304 mm	87	0
2018	36.5 °C14 February 2018	0.7 °C21 August 2018	18.6 °C	760 mm	47	0
2017	41.7 °C12 February 2017	2.4 °C9 August 2017	18.9 °C	1,112 mm	53	0
2016	37.6 °C31 December 2016	3.2 °C26 June 2016	19.1 °C	706 mm	48	0
2015	36.3 °C26 November 2015	2.6 °C28 July 2015	18.6 °C	897 mm	33	0
2014	40.6 °C15 November 2014	0.7 °C9 July 2014	18.8 °C	619 mm	38	0
2013	36.5 °C12 January 2013	1.5 °C22 August 2013	18.6 °C	1,104 mm	33	0
2012	36.6 °C20 October 2012	1.8 °C2 August 2012	18.1 °C	940 mm	26	0
2011	35.8 °C6 February 2011	1.3 °C9 July 2011	18.1 °C	1,114 mm	31	0
2010	36.6 °C26 January 2010	2.7 °C30 June 2010	18.6 °C	1,018 mm	25	0
2009	38.0 °C8 December 2009	1.7 °C12 June 2009	18.8 °C	1,017 mm	44	0
2008	33.9 °C31 December 2008	0.5 °C14 August 2008	18.0 °C	1,021 mm	21	0
2007	36.3 °C27 January 2007	0.2 °C19 July 2007	18.6 °C	746 mm	33	0
2006	38.1 °C29 November 2006	1.2 °C10 July 2006	18.3 °C	954 mm	36	0
2005	38.7 °C24 December 2005	2.6 °C8 August 2005	19.0 °C	682 mm	53	0
2004	41.2 °C21 February 2004	0.9 °C29 June 2004	18.6 °C	1,058 mm	49	0
2003	37.3 °C22 December 2003	-0.7 °C29 July 2003	18.2 °C	773 mm	36	1
2002	40.4 °C12 January 2002	1.1 °C3 July 2002	18.6 °C	495 mm	51	0
2001	37.2 °C24 December 2001	2.4 °C16 June 2001	18.3 °C	846 mm	33	0
2000	35.6 °C24 December 2000	1.2 °C7 June 2000	18.3 °C	627 mm	19	0
1999	35.3 °C18 February 1999	0.9 °C18 June 1999	18.0 °C	1,044 mm	15	0
1998	35.7 °C25 January 1998	3.7 °C1 August 1998	19.0 °C	853 mm	46	0
1997	37.7 °C18 December 1997	1.5 °C26 August 1997	18.6 °C	791 mm	42	0
1996	38.4 °C29 November 1996	1.3 °C19 July 1996	18.2 °C	1,192 mm	34	0
1995	38.8 °C27 November 1995	1.4 °C21 July 1995	18.6 °C	764 mm	39	0
1994	39.9 °C6 January 1994	-0.2 °C29 July 1994	18.2 °C	594 mm	43	1
1993	37.0 °C19 November 1993	3.0 °C14 June 1993	18.9 °C	572 mm	55	0
1992	34.0 °C28 January 1992	1.5 °C13 July 1992	18.0 °C	732 mm	22	0
1991	35.0 °C7 November 1991	1.5 °C31 July 1991	18.8 °C	697 mm	43	0
1990	39.2 °C23 December 1990	0.9 °C8 July 1990	18.6 °C	929 mm	46	0
1989	35.8 °C5 October 1989	2.0 °C22 July 1989	18.1 °C	902 mm	18	0
1988	37.8 °C22 October 1988	2.9 °C13 June 1988	18.6 °C	1,298 mm	30	0
1987	36.4 °C17 January 1987	2.0 °C30 June 1987	18.4 °C	979 mm	39	0
1986	37.5 °C27 December 1986	1.7 °C23 June 1986	18.5 °C	489 mm	38	0
1985	35.3 °C3 January 1985	0.0 °C24 June 1985	17.9 °C	854 mm	33	0
1984	36.5 °C15 December 1984	2.1 °C8 July 1984	17.8 °C	890 mm	22	0
1983	37.1 °C9 January 1983	1.4 °C13 June 1983	18.3 °C	1,184 mm	29	0
1982	37.1 °C18 February 1982	1.6 °C20 June 1982	18.1 °C	756 mm	39	0
1981	40.4 °C7 December 1981	1.5 °C12 July 1981	18.4 °C	803 mm	32	0
1980	40.4 °C26 January 1980	1.6 °C8 July 1980	19.1 °C	663 mm	60	0
1979	38.4 °C11 December 1979	2.8 °C13 July 1979	18.6 °C	678 mm	40	0
1978	33.7 °C11 February 1978	1.7 °C14 July 1978	17.9 °C	1,015 mm	27	0
1977	36.6 °C2 November 1977	0.5 °C30 July 1977	18.1 °C	834 mm	30	0
1976	37.5 °C12 December 1976	3.8 °C5 August 1976	17.6 °C	1,079 mm	21	0
1975	36.6 °C25 January 1975	4.3 °C12 July 1975	17.7 °C	1,059 mm	26	0
1974	36.4 °C18 December 1974	3.7 °C12 July 1974	17.1 °C	1,542 mm	18	0
1973	35.8 °C22 December 1973	5.0 °C21 July 1973	18.7 °C	768 mm	32	0
1972	37.1 °C23 December 1972	2.4 °C10 July 1972	17.7 °C	1,146 mm	14	0
1971	37.0 °C31 December 1971	0.6 °C27 June 1971	17.7 °C	776 mm	21	0
1970	36.4 °C12 January 1970	1.3 °C21 July 1970	17.8 °C	645 mm	35	0
1969	35.9 °C9 January 1969	4.3 °C24 July 1969	18.4 °C	668 mm	33	0
1968	40.0 °C20 November 1968	2.9 °C27 July 1968	18.4 °C	587 mm	41	0
1967	36.2 °C13 January 1967	2.7 °C15 July 1967	17.9 °C	1,114 mm	24	0
1966	35.6 °C30 January 1966	2.5 °C17 July 1966	18.1 °C	549 mm	40	0
1965	38.5 °C6 November 1965	2.9 °C13 July 1965	18.3 °C	662 mm	37	0
1964	38.6 °C9 January 1964	2.7 °C13 August 1964	18.3 °C	648 mm	37	0
1963	34.6 °C26 December 1963	3.3 °C16 July 1963	17.9 °C	841 mm	22	0
1962	34.9 °C11 December 1962	2.9 °C3 August 1962	17.7 °C	1,035 mm	12	0
1961	35.6 °C30 December 1961	3.5 °C24 June 1961	17.9 °C	789 mm	23	0
1960	35.4 °C26 January 1960	2.9 °C21 July 1960	17.8 °C	474 mm	33	0
1959	33.3 °C12 December 1959	5.6 °C2 August 1959	17.7 °C	1,144 mm	13	0
1958	37.1 °C30 October 1958	4.0 °C24 July 1958	18.5 °C	673 mm	40	0
1957	39.0 °C25 November 1957	1.8 °C22 July 1957	18.5 °C	592 mm	46	0
1956	37.6 °C18 December 1956	1.7 °C15 July 1956	17.7 °C	994 mm	20	0
1955	35.8 °C4 January 1955	1.1 °C9 July 1955	18.4 °C	893 mm	28	0
1954	34.8 °C19 March 1954	2.3 °C22 May 1954	18.3 °C	1,046 mm	20	0
1953	35.6 °C21 December 1953	1.8 °C1 July 1953	18.1 °C	542 mm	30	0
1952	39.1 °C1 February 1952	2.0 °C24 July 1952	18.5 °C	591 mm	51	0
1951	36.2 °C14 December 1951	1.9 °C15 August 1951	17.6 °C	530 mm	33	0
1950	34.1 °C7 January 1950	5.0 °C6 July 1950	17.8 °C	1,347 mm	17	0
1949	34.8 °C5 February 1949	2.7 °C27 June 1949	17.9 °C	711 mm	36	0
1948	35.4 °C11 October 1948	2.3 °C8 July 1948	17.7 °C	716 mm	28	0
1947	33.8 °C25 December 1947	3.9 °C19 July 1947	17.5 °C	643 mm	15	0
1946	39.7 °C5 January 1946	2.5 °C20 July 1946	18.0 °C	657 mm	55	0
1945	35.0 °C18 December 1945	3.3 °C8 July 1945	18.5 °C	602 mm	40	0
1944	40.6 °C20 November 1944	4.0 °C21 July 1944	18.2 °C	473 mm	55	0
1943	37.2 °C14 January 1943	1.8 °C26 June 1943	17.6 °C	607 mm	34	0
1942	39.1 °C5 January 1942	4.4 °C12 August 1942	17.5 °C	1,305 mm	15	0
1941	36.7 °C26 January 1941	2.9 °C9 July 1941	17.4 °C	923 mm	11	0
1940	40.2 °C26 January 1940	5.4 °C15 June 1940	18.3 °C	993 mm	40	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

24.7 °C

+1.0 °C

Hot days (≥ 30 °C)

42 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1250 mm

+390 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.5 °C	+0.5 °C	163 mm	+54 mm
Feb	28.2 °C	+0.8 °C	81 mm	-36 mm
Mar	26.1 °C	0.0 °C	330 mm	+220 mm
Apr	24.6 °C	+0.8 °C	118 mm	+55 mm
May	21.8 °C	+0.9 °C	118 mm	+60 mm
Jun	19.2 °C	+0.6 °C	56 mm	+5 mm
Jul	19.0 °C	+0.7 °C	30 mm	-5 mm
Aug	19.7 °C	-0.1 °C	101 mm	+65 mm
Sep	24.2 °C	+1.7 °C	15 mm	-18 mm
Oct	28.4 °C	+3.7 °C	61 mm	-4 mm
Nov	28.3 °C	+1.9 °C	86 mm	+1 mm
Dec	28.4 °C	+0.7 °C	91 mm	-7 mm

The year's extremes

Hottest day

36.5 °C

22 Jan 2025

Coldest day

3.5 °C

12 Jun 2025

Wettest day

70.8 mm

7 Mar 2025

Windiest day

27.1 km/h

7 Mar 2025

Strongest gust

69.8 km/h

7 Mar 2025

Hottest feels-like

40.5 °C

22 Jan 2025

Coldest feels-like

0.2 °C

12 Jun 2025

Sunniest day

13.8 h

6 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 Grafton?

Grafton has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 860 mm of precipitation per year.

What is the hottest day ever recorded in Grafton?

The hottest day measured in Grafton between 1940 and 2025 was 12 February 2017, reaching 41.7 °C.

What is the coldest day in Grafton?

The coldest day measured in Grafton between 1940 and 2025 was 29 July 2003, at -0.7 °C.

Does it snow in Grafton?

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

Has the climate of Grafton warmed?

Yes: Grafton warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Grafton?

The wettest day measured in Grafton between 1940 and 2025 was 10 March 1974, with 237 mm of rain in 24 hours.

What was the windiest day in Grafton?

The windiest day measured in Grafton between 1940 and 2025 was 20 February 1954, with winds reaching 47.4 km/h.

What is the warmest month in Grafton?

The warmest month in Grafton is January (23.3 °C on average); the coldest is July (12.2 °C).

How much does it rain in Grafton?

Grafton receives on average 860 mm of precipitation per year, spread over about 109 rainy days.

Is it sunny in Grafton?

Grafton gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Are there tropical nights in Grafton?

Yes: Grafton has on average 36 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Grafton?

In Grafton, between 1940 and 2025, the highest apparent temperature reached 43.7 °C on 26 January 1940, and the lowest was -4.8 °C on 29 July 2003.

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