Assin Foso climate — normals and trends

Q: What is the climate of Assin Foso?

Assin Foso has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 1,341 mm of precipitation per year.

Q: What is the hottest day ever recorded in Assin Foso?

The hottest day measured in Assin Foso between 1940 and 2025 was 23 February 2008, reaching 38.2 °C.

Q: What is the coldest day in Assin Foso?

The coldest day measured in Assin Foso between 1940 and 2025 was 20 January 1968, at 15.6 °C.

Q: Does it snow in Assin Foso?

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

Q: Has the climate of Assin Foso warmed?

Yes: Assin Foso warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Assin Foso?

The wettest day measured in Assin Foso between 1940 and 2025 was 24 October 1998, with 128 mm of rain in 24 hours.

Q: What was the windiest day in Assin Foso?

The windiest day measured in Assin Foso between 1940 and 2025 was 16 August 1974, with winds reaching 20.5 km/h.

Q: What is the warmest month in Assin Foso?

The warmest month in Assin Foso is February (27.0 °C on average); the coldest is July (24.2 °C).

Q: How much does it rain in Assin Foso?

Assin Foso receives on average 1,341 mm of precipitation per year, spread over about 251 rainy days.

Q: Is it sunny in Assin Foso?

Assin Foso gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Assin Foso (Ghana) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 1,341 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 (27.0 °C on average) and the coldest is July (24.2 °C). Rainfall peaks in June.

Assin Foso averages 0 frost days, 187 hot days (≥ 30 °C) and 251 rainy days per year.

Assin Foso has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.2 °C (on 23 February 2008) and the coldest 15.6 °C (on 20 January 1968).

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

Assin FosoCentral

coords: 5.70°, -1.65°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthJulyWettest monthJuneDriest monthJanuary

Mean daily temperature

25.5°C

Average daily high

30.1°C

Average daily low

22.5°C

Annual rainfall

1,341mm

Sunshine / day

9.0h

Mean relative humidity

85%

Average peak wind

11.0km/h

Seasonal range

2.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

187 d/yr

Rainy days (≥ 1 mm)

251 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.4 °C

Average feels-like low

26.5 °C

Average peak gust

26.6 km/h

Tropical nights (≥ 20 °C)

358 d/yr

Solar radiation

16.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.85 · 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

38.2 °C

23 February 2008

Coldest day

15.6 °C

20 January 1968

Wettest day

128 mm

24 October 1998

Windiest day

20.5 km/h

16 August 1974

Strongest gust

46.4 km/h

17 February 2013

Hottest feels-like

44.5 °C

12 February 2024

Coldest feels-like

15.0 °C

4 January 2020

Sunniest day

12.0 h

15 April 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.6 °C5 February 2025	20.8 °C15 July 2025	26.6 °C	1,190 mm	256
2024	38.2 °C15 February 2024	19.1 °C22 December 2024	27.3 °C	1,139 mm	273
2023	36.6 °C21 February 2023	19.7 °C21 December 2023	26.8 °C	1,476 mm	272
2022	36.1 °C1 February 2022	19.5 °C6 August 2022	26.4 °C	1,144 mm	254
2021	34.8 °C15 April 2021	20.8 °C25 July 2021	26.6 °C	1,326 mm	279
2020	37.4 °C17 February 2020	17.8 °C5 January 2020	26.8 °C	1,057 mm	271
2019	35.8 °C16 February 2019	21.9 °C1 October 2019	26.8 °C	1,455 mm	260
2018	36.6 °C12 February 2018	20.3 °C6 August 2018	26.5 °C	1,519 mm	269
2017	35.2 °C2 February 2017	18.6 °C24 December 2017	26.5 °C	1,310 mm	256
2016	37.6 °C6 February 2016	20.0 °C9 January 2016	26.9 °C	1,323 mm	273
2015	35.7 °C2 March 2015	17.0 °C14 January 2015	26.5 °C	978 mm	258
2014	34.8 °C12 March 2014	17.5 °C28 December 2014	26.1 °C	1,431 mm	244
2013	37.3 °C14 February 2013	19.0 °C7 January 2013	26.4 °C	1,087 mm	244
2012	35.9 °C14 March 2012	18.4 °C18 January 2012	26.2 °C	1,255 mm	245
2011	34.6 °C9 February 2011	18.5 °C14 January 2011	26.2 °C	1,185 mm	252
2010	36.0 °C5 April 2010	19.3 °C2 August 2010	26.7 °C	1,295 mm	266
2009	35.1 °C26 January 2009	18.3 °C21 January 2009	26.3 °C	1,184 mm	265
2008	38.2 °C23 February 2008	18.0 °C30 January 2008	26.2 °C	1,193 mm	251
2007	35.7 °C23 January 2007	18.3 °C14 January 2007	26.1 °C	1,333 mm	234
2006	33.9 °C26 December 2006	19.5 °C10 August 2006	26.0 °C	1,132 mm	234
2005	34.3 °C7 March 2005	16.4 °C12 January 2005	26.1 °C	1,176 mm	232
2004	35.8 °C12 February 2004	19.3 °C25 July 2004	26.1 °C	1,114 mm	228
2003	35.5 °C4 February 2003	18.4 °C30 December 2003	26.1 °C	1,070 mm	239
2002	35.9 °C5 February 2002	17.9 °C27 December 2002	25.8 °C	1,262 mm	210
2001	36.6 °C20 February 2001	19.2 °C15 February 2001	25.5 °C	1,085 mm	182
2000	37.3 °C14 March 2000	18.9 °C20 August 2000	25.7 °C	1,233 mm	182
1999	34.7 °C24 February 1999	18.6 °C5 August 1999	25.5 °C	1,257 mm	174
1998	37.3 °C1 March 1998	19.0 °C22 January 1998	26.5 °C	1,130 mm	234
1997	35.6 °C22 February 1997	18.9 °C7 July 1997	25.7 °C	1,162 mm	189
1996	32.7 °C29 April 1996	20.2 °C22 July 1996	25.2 °C	1,476 mm	130
1995	35.7 °C22 February 1995	18.9 °C13 January 1995	25.8 °C	1,409 mm	170
1994	33.9 °C10 February 1994	18.9 °C1 January 1994	25.6 °C	1,247 mm	198
1993	34.7 °C31 January 1993	16.7 °C9 January 1993	25.6 °C	1,449 mm	214
1992	34.6 °C20 February 1992	16.4 °C6 January 1992	25.4 °C	1,368 mm	172
1991	33.7 °C1 February 1991	16.6 °C2 January 1991	25.5 °C	1,403 mm	172
1990	36.5 °C26 March 1990	18.8 °C25 January 1990	25.7 °C	1,260 mm	206
1989	35.9 °C9 February 1989	16.8 °C3 January 1989	25.6 °C	1,602 mm	190
1988	35.5 °C25 January 1988	17.1 °C24 December 1988	25.8 °C	1,701 mm	211
1987	34.8 °C18 April 1987	19.2 °C31 December 1987	25.9 °C	1,643 mm	239
1986	35.4 °C24 January 1986	17.8 °C30 July 1986	25.4 °C	1,378 mm	214
1985	35.0 °C12 February 1985	17.4 °C15 December 1985	25.2 °C	1,736 mm	192
1984	34.4 °C8 February 1984	19.0 °C23 December 1984	25.5 °C	1,670 mm	217
1983	36.5 °C12 March 1983	17.4 °C8 January 1983	25.7 °C	978 mm	192
1982	35.1 °C31 January 1982	18.6 °C8 January 1982	25.2 °C	1,270 mm	175
1981	34.3 °C30 January 1981	19.4 °C22 August 1981	25.4 °C	1,433 mm	217
1980	33.3 °C6 March 1980	16.4 °C20 December 1980	25.1 °C	1,682 mm	152
1979	33.2 °C25 January 1979	19.4 °C12 December 1979	25.3 °C	1,581 mm	165
1978	33.0 °C3 February 1978	18.0 °C16 July 1978	24.9 °C	1,502 mm	153
1977	33.9 °C27 February 1977	16.8 °C29 December 1977	25.3 °C	1,254 mm	177
1976	32.4 °C25 January 1976	17.3 °C15 January 1976	24.6 °C	1,473 mm	110
1975	35.4 °C3 February 1975	17.9 °C1 January 1975	24.8 °C	1,442 mm	135
1974	34.1 °C5 February 1974	16.8 °C31 December 1974	24.9 °C	1,562 mm	149
1973	35.0 °C29 January 1973	19.4 °C2 December 1973	25.7 °C	1,523 mm	221
1972	33.3 °C3 February 1972	18.6 °C14 August 1972	25.1 °C	1,617 mm	176
1971	33.9 °C5 February 1971	18.1 °C19 August 1971	24.9 °C	1,704 mm	190
1970	33.5 °C24 April 1970	19.0 °C27 July 1970	25.3 °C	1,618 mm	202
1969	34.1 °C9 February 1969	18.9 °C30 July 1969	25.2 °C	1,567 mm	181
1968	33.3 °C12 February 1968	15.6 °C20 January 1968	25.0 °C	2,038 mm	163
1967	33.9 °C4 March 1967	18.3 °C24 December 1967	24.9 °C	1,560 mm	158
1966	35.8 °C18 February 1966	19.3 °C19 September 1966	25.3 °C	1,323 mm	179
1965	33.2 °C5 March 1965	17.6 °C18 January 1965	24.7 °C	1,391 mm	127
1964	35.2 °C12 February 1964	18.4 °C11 August 1964	25.0 °C	1,176 mm	135
1963	34.1 °C14 March 1963	20.0 °C5 December 1963	25.1 °C	1,363 mm	157
1962	36.2 °C11 February 1962	19.2 °C23 August 1962	25.1 °C	1,310 mm	147
1961	35.3 °C9 March 1961	18.9 °C30 January 1961	25.3 °C	1,037 mm	172
1960	34.6 °C15 February 1960	18.8 °C29 December 1960	25.0 °C	1,382 mm	144
1959	34.2 °C3 February 1959	19.0 °C1 January 1959	25.0 °C	1,263 mm	138
1958	33.8 °C20 February 1958	17.4 °C3 August 1958	24.7 °C	1,054 mm	123
1957	32.6 °C14 February 1957	16.5 °C10 January 1957	24.5 °C	1,675 mm	80
1956	32.4 °C22 January 1956	17.0 °C2 August 1956	24.4 °C	1,373 mm	99
1955	33.8 °C16 February 1955	18.7 °C28 December 1955	24.6 °C	1,275 mm	111
1954	34.0 °C9 February 1954	16.6 °C24 July 1954	24.5 °C	1,181 mm	121
1953	33.3 °C30 January 1953	18.0 °C22 September 1953	24.9 °C	1,288 mm	144
1952	34.3 °C4 March 1952	18.1 °C7 August 1952	25.0 °C	1,297 mm	157
1951	33.1 °C13 March 1951	18.5 °C19 August 1951	24.9 °C	1,441 mm	160
1950	34.9 °C17 February 1950	18.2 °C27 July 1950	24.7 °C	1,222 mm	143
1949	33.1 °C24 April 1949	17.4 °C14 August 1949	24.9 °C	1,280 mm	155
1948	34.7 °C9 February 1948	18.6 °C8 August 1948	24.8 °C	1,311 mm	108
1947	34.0 °C9 January 1947	18.9 °C2 January 1947	24.8 °C	1,286 mm	131
1946	35.4 °C4 February 1946	16.9 °C21 August 1946	24.8 °C	1,138 mm	146
1945	35.0 °C20 February 1945	18.4 °C12 August 1945	24.9 °C	1,093 mm	147
1944	34.9 °C14 February 1944	19.2 °C18 July 1944	24.8 °C	1,202 mm	154
1943	33.7 °C8 March 1943	17.4 °C18 August 1943	24.4 °C	1,056 mm	137
1942	33.0 °C10 March 1942	17.3 °C19 July 1942	24.6 °C	1,074 mm	121
1941	32.6 °C14 February 1941	20.0 °C3 October 1941	24.6 °C	1,655 mm	108
1940	32.2 °C21 February 1940	17.5 °C5 August 1940	24.5 °C	1,524 mm	97

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

31.1 °C

+1.0 °C

Hot days (≥ 30 °C)

256 d/yr

+69

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1190 mm

-151 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	34.2 °C	+2.6 °C	12 mm	-25 mm
Feb	33.8 °C	+1.3 °C	43 mm	-23 mm
Mar	33.2 °C	+1.2 °C	96 mm	-28 mm
Apr	32.4 °C	+1.0 °C	92 mm	-43 mm
May	31.7 °C	+1.3 °C	178 mm	+7 mm
Jun	30.1 °C	+1.4 °C	242 mm	+61 mm
Jul	28.7 °C	+0.9 °C	50 mm	-72 mm
Aug	27.3 °C	-0.5 °C	69 mm	-16 mm
Sep	29.4 °C	+0.9 °C	113 mm	-15 mm
Oct	30.5 °C	+0.9 °C	174 mm	+20 mm
Nov	31.2 °C	+0.9 °C	69 mm	-27 mm
Dec	31.1 °C	+0.6 °C	54 mm	+9 mm

The year's extremes

Hottest day

35.6 °C

5 Feb 2025

Coldest day

20.8 °C

15 Jul 2025

Wettest day

48.0 mm

15 Jun 2025

Windiest day

16.2 km/h

12 Jul 2025

Strongest gust

37.4 km/h

3 Mar 2025

Hottest feels-like

42.5 °C

28 Feb 2025

Coldest feels-like

24.0 °C

15 Jul 2025

Sunniest day

12.0 h

18 Apr 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 Assin Foso?

Assin Foso has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 1,341 mm of precipitation per year.

What is the hottest day ever recorded in Assin Foso?

The hottest day measured in Assin Foso between 1940 and 2025 was 23 February 2008, reaching 38.2 °C.

What is the coldest day in Assin Foso?

The coldest day measured in Assin Foso between 1940 and 2025 was 20 January 1968, at 15.6 °C.

Does it snow in Assin Foso?

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

Has the climate of Assin Foso warmed?

Yes: Assin Foso warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Assin Foso?

The wettest day measured in Assin Foso between 1940 and 2025 was 24 October 1998, with 128 mm of rain in 24 hours.

What was the windiest day in Assin Foso?

The windiest day measured in Assin Foso between 1940 and 2025 was 16 August 1974, with winds reaching 20.5 km/h.

What is the warmest month in Assin Foso?

The warmest month in Assin Foso is February (27.0 °C on average); the coldest is July (24.2 °C).

How much does it rain in Assin Foso?

Assin Foso receives on average 1,341 mm of precipitation per year, spread over about 251 rainy days.

Is it sunny in Assin Foso?

Assin Foso gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

Are there tropical nights in Assin Foso?

Yes: Assin Foso has on average 358 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Assin Foso?

In Assin Foso, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 12 February 2024, and the lowest was 15.0 °C on 4 January 2020.

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