Khwisero climate — normals and trends

Q: What is the climate of Khwisero?

Khwisero has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 20.9 °C and it receives 2,065 mm of precipitation per year.

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

The hottest day measured in Khwisero between 1940 and 2025 was 23 February 2005, reaching 35.8 °C.

Q: What is the coldest day in Khwisero?

The coldest day measured in Khwisero between 1940 and 2025 was 31 August 1964, at 11.9 °C.

Q: Does it snow in Khwisero?

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

Q: Has the climate of Khwisero warmed?

Yes: Khwisero warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Khwisero?

The wettest day measured in Khwisero between 1940 and 2025 was 9 March 1978, with 133 mm of rain in 24 hours.

Q: What was the windiest day in Khwisero?

The windiest day measured in Khwisero between 1940 and 2025 was 27 March 1946, with winds reaching 23.1 km/h.

Q: What is the warmest month in Khwisero?

The warmest month in Khwisero is February (21.9 °C on average); the coldest is July (20.0 °C).

Q: How much does it rain in Khwisero?

Khwisero receives on average 2,065 mm of precipitation per year, spread over about 289 rainy days.

Q: Is it sunny in Khwisero?

Khwisero gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Khwisero (Kenya) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 20.9 °C and it receives 2,065 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 (21.9 °C on average) and the coldest is July (20.0 °C). Rainfall peaks in April.

Khwisero averages 0 frost days, 30 hot days (≥ 30 °C) and 289 rainy days per year.

Khwisero has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.8 °C (on 23 February 2005) and the coldest 11.9 °C (on 31 August 1964).

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

KhwiseroKakamega County

coords: 0.17°, 34.59°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthFebruaryColdest monthJulyWettest monthAprilDriest monthJanuary

Mean daily temperature

20.9°C

Average daily high

26.8°C

Average daily low

16.5°C

Annual rainfall

2,065mm

Sunshine / day

10.7h

Mean relative humidity

76%

Average peak wind

10.6km/h

Seasonal range

1.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

30 d/yr

Rainy days (≥ 1 mm)

289 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.6 °C

Average feels-like low

17.4 °C

Average peak gust

26.7 km/h

Tropical nights (≥ 20 °C)

1 d/yr

Solar radiation

20.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.3 °C

since 1940

+0.3 °C per decade · r² = 0.74 · 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

35.8 °C

23 February 2005

Coldest day

11.9 °C

31 August 1964

Wettest day

133 mm

9 March 1978

Windiest day

23.1 km/h

27 March 1946

Strongest gust

50.8 km/h

27 March 1946

Hottest feels-like

37.8 °C

25 February 2005

Coldest feels-like

9.4 °C

5 February 1978

Sunniest day

11.9 h

27 February 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.8 °C5 March 2025	15.0 °C23 November 2025	22.2 °C	1,791 mm	66
2024	33.7 °C22 February 2024	16.0 °C29 December 2024	22.5 °C	1,996 mm	42
2023	35.1 °C19 February 2023	14.4 °C15 January 2023	22.3 °C	2,030 mm	63
2022	33.4 °C13 January 2022	13.6 °C3 August 2022	21.9 °C	1,896 mm	40
2021	33.0 °C12 March 2021	15.0 °C1 February 2021	21.8 °C	1,654 mm	29
2020	30.8 °C23 February 2020	15.0 °C10 August 2020	21.5 °C	2,358 mm	9
2019	34.7 °C24 March 2019	14.9 °C28 August 2019	21.9 °C	2,182 mm	62
2018	34.4 °C11 February 2018	14.3 °C7 July 2018	21.6 °C	2,021 mm	37
2017	34.0 °C17 January 2017	15.4 °C3 January 2017	22.3 °C	1,586 mm	74
2016	34.1 °C15 March 2016	15.1 °C16 June 2016	22.4 °C	1,487 mm	80
2015	35.4 °C11 March 2015	14.9 °C2 January 2015	22.0 °C	1,881 mm	69
2014	34.4 °C2 March 2014	13.1 °C13 February 2014	21.8 °C	1,693 mm	48
2013	33.9 °C27 February 2013	13.3 °C16 July 2013	21.5 °C	1,749 mm	44
2012	35.3 °C15 February 2012	12.5 °C2 January 2012	21.6 °C	1,978 mm	73
2011	34.0 °C27 February 2011	13.4 °C7 February 2011	21.6 °C	1,989 mm	48
2010	33.9 °C2 February 2010	15.0 °C29 December 2010	21.7 °C	1,941 mm	41
2009	33.3 °C26 March 2009	14.0 °C11 January 2009	22.0 °C	1,721 mm	62
2008	32.8 °C25 February 2008	14.4 °C16 July 2008	21.5 °C	1,689 mm	60
2007	33.1 °C21 February 2007	14.2 °C18 December 2007	21.5 °C	1,871 mm	46
2006	34.5 °C27 January 2006	15.2 °C17 December 2006	21.7 °C	2,237 mm	46
2005	35.8 °C23 February 2005	13.5 °C13 July 2005	22.2 °C	1,594 mm	94
2004	33.4 °C13 February 2004	13.9 °C4 July 2004	21.7 °C	1,902 mm	42
2003	34.3 °C21 February 2003	14.0 °C14 January 2003	21.7 °C	1,626 mm	61
2002	33.0 °C21 February 2002	14.7 °C9 June 2002	21.7 °C	1,826 mm	36
2001	33.3 °C28 February 2001	14.0 °C20 July 2001	21.1 °C	1,904 mm	20
2000	32.9 °C22 March 2000	13.2 °C27 January 2000	21.3 °C	1,574 mm	44
1999	33.9 °C9 February 1999	14.4 °C19 August 1999	21.1 °C	1,771 mm	36
1998	32.9 °C13 March 1998	15.0 °C15 August 1998	21.6 °C	1,901 mm	38
1997	34.3 °C13 March 1997	14.6 °C13 January 1997	21.7 °C	2,323 mm	67
1996	31.5 °C29 December 1996	14.1 °C12 October 1996	21.4 °C	1,853 mm	24
1995	32.4 °C22 February 1995	14.2 °C21 December 1995	21.5 °C	2,017 mm	29
1994	32.5 °C1 February 1994	13.6 °C4 July 1994	21.2 °C	2,273 mm	29
1993	32.4 °C30 December 1993	14.2 °C22 January 1993	21.4 °C	1,706 mm	30
1992	33.6 °C15 March 1992	14.7 °C21 November 1992	21.1 °C	1,965 mm	39
1991	32.9 °C17 March 1991	13.5 °C25 July 1991	21.1 °C	2,150 mm	38
1990	31.7 °C28 January 1990	13.6 °C8 January 1990	21.1 °C	2,178 mm	19
1989	32.7 °C1 March 1989	13.2 °C2 July 1989	20.7 °C	2,150 mm	20
1988	33.0 °C1 March 1988	13.3 °C5 December 1988	21.0 °C	2,373 mm	23
1987	32.2 °C22 March 1987	14.1 °C2 February 1987	21.4 °C	2,027 mm	21
1986	31.3 °C24 February 1986	13.0 °C5 August 1986	20.7 °C	2,259 mm	11
1985	34.6 °C16 March 1985	13.0 °C9 July 1985	20.6 °C	2,236 mm	31
1984	33.1 °C21 February 1984	13.3 °C18 December 1984	20.8 °C	1,957 mm	33
1983	32.5 °C25 February 1983	13.3 °C3 December 1983	21.1 °C	2,062 mm	31
1982	33.1 °C26 March 1982	13.8 °C5 October 1982	20.7 °C	2,259 mm	27
1981	33.2 °C2 March 1981	13.0 °C8 December 1981	20.9 °C	2,059 mm	35
1980	34.2 °C22 February 1980	12.9 °C21 July 1980	21.0 °C	1,903 mm	34
1979	31.7 °C7 March 1979	13.1 °C10 September 1979	20.7 °C	2,313 mm	15
1978	32.9 °C7 February 1978	12.4 °C5 February 1978	20.5 °C	2,564 mm	18
1977	31.5 °C16 March 1977	12.5 °C14 July 1977	20.6 °C	2,404 mm	19
1976	33.0 °C30 January 1976	12.4 °C25 July 1976	20.4 °C	2,228 mm	26
1975	32.7 °C26 January 1975	12.9 °C24 December 1975	20.2 °C	2,489 mm	23
1974	33.1 °C16 March 1974	13.2 °C20 July 1974	20.3 °C	2,266 mm	22
1973	32.6 °C6 February 1973	13.5 °C2 July 1973	20.8 °C	2,168 mm	41
1972	31.1 °C31 March 1972	13.9 °C2 September 1972	20.3 °C	2,692 mm	6
1971	32.4 °C7 March 1971	12.6 °C10 July 1971	20.0 °C	2,384 mm	20
1970	31.8 °C8 February 1970	13.0 °C28 June 1970	20.3 °C	2,174 mm	5
1969	31.2 °C1 October 1969	12.9 °C6 August 1969	20.6 °C	1,808 mm	10
1968	29.9 °C21 January 1968	12.4 °C14 January 1968	19.9 °C	2,575 mm	0
1967	32.5 °C12 February 1967	13.1 °C8 October 1967	20.2 °C	2,411 mm	33
1966	30.9 °C26 December 1966	12.1 °C24 December 1966	20.7 °C	2,284 mm	7
1965	31.9 °C14 February 1965	12.7 °C8 June 1965	20.5 °C	2,167 mm	21
1964	29.8 °C31 January 1964	11.9 °C31 August 1964	20.1 °C	2,482 mm	0
1963	30.6 °C23 March 1963	12.7 °C17 June 1963	19.8 °C	2,662 mm	2
1962	30.2 °C14 February 1962	12.9 °C2 July 1962	19.6 °C	2,449 mm	3
1961	33.6 °C21 January 1961	13.3 °C8 September 1961	20.6 °C	2,896 mm	35
1960	31.6 °C12 December 1960	13.0 °C29 December 1960	20.6 °C	2,669 mm	25
1959	32.3 °C17 March 1959	13.1 °C16 June 1959	20.9 °C	2,513 mm	29
1958	33.6 °C3 March 1958	12.7 °C28 June 1958	20.8 °C	2,096 mm	43
1957	31.4 °C18 January 1957	13.0 °C19 July 1957	20.6 °C	2,504 mm	18
1956	30.9 °C13 March 1956	13.1 °C24 July 1956	19.7 °C	2,017 mm	4
1955	29.2 °C3 March 1955	13.8 °C7 July 1955	19.8 °C	2,090 mm	0
1954	28.9 °C19 November 1954	12.7 °C2 July 1954	19.7 °C	1,790 mm	0
1953	28.8 °C16 February 1953	12.2 °C12 August 1953	19.5 °C	3,191 mm	0
1952	29.6 °C23 January 1952	14.0 °C10 July 1952	19.8 °C	2,455 mm	0
1951	29.8 °C2 March 1951	12.6 °C4 July 1951	19.7 °C	2,895 mm	0
1950	30.7 °C28 February 1950	13.0 °C18 July 1950	19.5 °C	1,962 mm	4
1949	30.4 °C23 March 1949	12.9 °C1 August 1949	19.9 °C	1,901 mm	1
1948	28.6 °C23 March 1948	13.1 °C3 January 1948	20.0 °C	2,185 mm	0
1947	29.2 °C28 October 1947	12.0 °C26 July 1947	20.0 °C	2,331 mm	0
1946	35.0 °C31 March 1946	13.7 °C5 August 1946	20.7 °C	1,487 mm	53
1945	30.5 °C23 February 1945	13.4 °C6 December 1945	20.4 °C	1,411 mm	9
1944	33.0 °C2 March 1944	12.9 °C6 July 1944	21.0 °C	1,355 mm	53
1943	32.8 °C19 February 1943	12.1 °C27 July 1943	21.0 °C	922 mm	51
1942	32.3 °C8 February 1942	13.3 °C15 July 1942	20.7 °C	1,150 mm	29
1941	31.7 °C26 March 1941	13.4 °C3 December 1941	20.5 °C	1,595 mm	14
1940	29.2 °C26 December 1940	13.5 °C11 January 1940	19.6 °C	2,090 mm	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

28.2 °C

+1.4 °C

Hot days (≥ 30 °C)

66 d/yr

+36

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1791 mm

-274 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.1 °C	+1.0 °C	75 mm	-34 mm
Feb	31.9 °C	+3.2 °C	21 mm	-92 mm
Mar	29.4 °C	+1.3 °C	236 mm	+39 mm
Apr	27.5 °C	+1.0 °C	250 mm	-20 mm
May	27.3 °C	+1.5 °C	237 mm	-26 mm
Jun	26.9 °C	+1.3 °C	118 mm	-34 mm
Jul	26.1 °C	+0.8 °C	189 mm	+66 mm
Aug	26.6 °C	+0.7 °C	134 mm	-9 mm
Sep	28.6 °C	+1.9 °C	124 mm	-32 mm
Oct	27.5 °C	+0.7 °C	184 mm	-0 mm
Nov	28.9 °C	+2.4 °C	78 mm	-127 mm
Dec	28.5 °C	+1.3 °C	147 mm	-5 mm

The year's extremes

Hottest day

34.8 °C

5 Mar 2025

Coldest day

15.0 °C

23 Nov 2025

Wettest day

60.3 mm

20 Mar 2025

Windiest day

21.5 km/h

3 Mar 2025

Strongest gust

43.9 km/h

3 Mar 2025

Hottest feels-like

37.6 °C

5 Mar 2025

Coldest feels-like

13.9 °C

15 Jan 2025

Sunniest day

11.9 h

27 Feb 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 Khwisero?

Khwisero has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 20.9 °C and it receives 2,065 mm of precipitation per year.

What is the hottest day ever recorded in Khwisero?

The hottest day measured in Khwisero between 1940 and 2025 was 23 February 2005, reaching 35.8 °C.

What is the coldest day in Khwisero?

The coldest day measured in Khwisero between 1940 and 2025 was 31 August 1964, at 11.9 °C.

Does it snow in Khwisero?

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

Has the climate of Khwisero warmed?

Yes: Khwisero warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Khwisero?

The wettest day measured in Khwisero between 1940 and 2025 was 9 March 1978, with 133 mm of rain in 24 hours.

What was the windiest day in Khwisero?

The windiest day measured in Khwisero between 1940 and 2025 was 27 March 1946, with winds reaching 23.1 km/h.

What is the warmest month in Khwisero?

The warmest month in Khwisero is February (21.9 °C on average); the coldest is July (20.0 °C).

How much does it rain in Khwisero?

Khwisero receives on average 2,065 mm of precipitation per year, spread over about 289 rainy days.

Is it sunny in Khwisero?

Khwisero gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Are there tropical nights in Khwisero?

Yes: Khwisero has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Khwisero?

In Khwisero, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 25 February 2005, and the lowest was 9.4 °C on 5 February 1978.

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