Homa Bay climate — normals and trends

Q: What is the climate of Homa Bay?

Homa Bay has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 22.0 °C and it receives 1,837 mm of precipitation per year.

Q: What is the hottest day ever recorded in Homa Bay?

The hottest day measured in Homa Bay between 1940 and 2025 was 23 February 2005, reaching 34.5 °C.

Q: What is the coldest day in Homa Bay?

The coldest day measured in Homa Bay between 1940 and 2025 was 27 July 1943, at 15.1 °C.

Q: Does it snow in Homa Bay?

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

Q: Has the climate of Homa Bay warmed?

Yes: Homa Bay warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Homa Bay?

The wettest day measured in Homa Bay between 1940 and 2025 was 23 November 2019, with 140 mm of rain in 24 hours.

Q: What was the windiest day in Homa Bay?

The windiest day measured in Homa Bay between 1940 and 2025 was 22 February 1946, with winds reaching 28.4 km/h.

Q: What is the warmest month in Homa Bay?

The warmest month in Homa Bay is February (22.8 °C on average); the coldest is July (21.4 °C).

Q: How much does it rain in Homa Bay?

Homa Bay receives on average 1,837 mm of precipitation per year, spread over about 261 rainy days.

Q: Is it sunny in Homa Bay?

Homa Bay gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Homa Bay (Kenya) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 22.0 °C and it receives 1,837 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 (22.8 °C on average) and the coldest is July (21.4 °C). Rainfall peaks in April.

Homa Bay averages 0 frost days, 9 hot days (≥ 30 °C) and 261 rainy days per year.

Homa Bay has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.5 °C (on 23 February 2005) and the coldest 15.1 °C (on 27 July 1943).

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

Homa BayHoma Bay County

coords: -0.53°, 34.46°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthFebruaryColdest monthJulyWettest monthAprilDriest monthJuly

Mean daily temperature

22.0°C

Average daily high

26.0°C

Average daily low

18.9°C

Annual rainfall

1,837mm

Sunshine / day

10.8h

Mean relative humidity

75%

Average peak wind

12.0km/h

Seasonal range

1.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

9 d/yr

Rainy days (≥ 1 mm)

261 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.0 °C

Average feels-like low

20.2 °C

Average peak gust

25.6 km/h

Tropical nights (≥ 20 °C)

51 d/yr

Solar radiation

21.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.72 · 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

34.5 °C

23 February 2005

Coldest day

15.1 °C

27 July 1943

Wettest day

140 mm

23 November 2019

Windiest day

28.4 km/h

22 February 1946

Strongest gust

52.6 km/h

22 February 1946

Hottest feels-like

35.8 °C

25 February 2005

Coldest feels-like

13.2 °C

6 July 1944

Sunniest day

12.0 h

10 February 1950

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.6 °C22 February 2025	16.8 °C17 August 2025	23.0 °C	1,449 mm	26
2024	32.0 °C15 March 2024	18.1 °C29 December 2024	23.2 °C	1,757 mm	14
2023	32.3 °C19 February 2023	18.1 °C6 January 2023	23.2 °C	1,952 mm	23
2022	31.5 °C13 January 2022	16.6 °C3 August 2022	22.7 °C	1,416 mm	11
2021	32.2 °C13 March 2021	17.5 °C24 June 2021	22.8 °C	1,347 mm	6
2020	29.9 °C23 February 2020	17.5 °C19 July 2020	22.6 °C	2,112 mm	0
2019	33.1 °C24 March 2019	17.4 °C14 July 2019	22.9 °C	1,851 mm	33
2018	32.5 °C16 February 2018	17.1 °C23 June 2018	22.7 °C	1,637 mm	17
2017	32.5 °C17 January 2017	18.4 °C28 December 2017	23.3 °C	1,324 mm	38
2016	32.4 °C15 March 2016	18.1 °C22 June 2016	23.4 °C	1,127 mm	37
2015	33.9 °C9 March 2015	17.7 °C5 January 2015	22.9 °C	1,846 mm	34
2014	32.8 °C2 March 2014	16.7 °C13 February 2014	22.6 °C	1,307 mm	16
2013	33.2 °C24 February 2013	16.7 °C15 July 2013	22.5 °C	1,466 mm	13
2012	32.9 °C5 February 2012	16.9 °C3 January 2012	22.4 °C	1,633 mm	34
2011	32.2 °C1 March 2011	17.4 °C14 August 2011	22.4 °C	1,899 mm	15
2010	32.1 °C2 February 2010	17.6 °C20 July 2010	22.7 °C	1,762 mm	11
2009	31.2 °C18 January 2009	17.6 °C1 July 2009	22.9 °C	1,356 mm	18
2008	31.4 °C25 February 2008	17.2 °C16 July 2008	22.4 °C	1,426 mm	7
2007	31.8 °C20 February 2007	17.2 °C20 July 2007	22.4 °C	1,558 mm	9
2006	33.1 °C27 January 2006	17.3 °C25 July 2006	22.6 °C	1,821 mm	28
2005	34.5 °C23 February 2005	16.9 °C13 July 2005	23.0 °C	1,226 mm	39
2004	31.2 °C10 February 2004	17.2 °C1 June 2004	22.6 °C	1,402 mm	13
2003	32.9 °C21 February 2003	17.3 °C4 July 2003	22.7 °C	1,245 mm	24
2002	31.4 °C23 February 2002	17.6 °C9 July 2002	22.7 °C	1,536 mm	9
2001	31.6 °C28 February 2001	16.8 °C22 July 2001	22.1 °C	1,482 mm	6
2000	31.0 °C22 March 2000	17.5 °C26 July 2000	22.4 °C	1,145 mm	10
1999	32.7 °C17 February 1999	17.0 °C6 July 1999	22.3 °C	1,351 mm	22
1998	31.0 °C17 March 1998	17.4 °C22 July 1998	22.8 °C	1,525 mm	8
1997	32.1 °C13 March 1997	17.6 °C19 July 1997	22.7 °C	2,181 mm	23
1996	29.3 °C4 March 1996	17.0 °C10 August 1996	22.3 °C	1,558 mm	0
1995	29.7 °C5 February 1995	17.2 °C20 July 1995	22.4 °C	1,747 mm	0
1994	30.9 °C1 February 1994	16.6 °C4 July 1994	22.2 °C	1,893 mm	4
1993	30.9 °C30 December 1993	16.7 °C22 January 1993	22.3 °C	1,512 mm	1
1992	32.1 °C15 March 1992	17.1 °C1 September 1992	22.1 °C	1,652 mm	9
1991	30.5 °C20 September 1991	17.2 °C8 July 1991	22.0 °C	1,950 mm	5
1990	29.5 °C28 January 1990	17.0 °C6 January 1990	22.1 °C	1,764 mm	0
1989	31.0 °C28 February 1989	16.1 °C21 June 1989	21.8 °C	1,807 mm	5
1988	31.4 °C29 February 1988	16.6 °C30 June 1988	22.1 °C	1,705 mm	4
1987	30.4 °C29 December 1987	16.9 °C5 January 1987	22.4 °C	1,789 mm	3
1986	29.1 °C17 October 1986	15.8 °C4 August 1986	21.7 °C	2,188 mm	0
1985	32.0 °C16 March 1985	16.0 °C7 August 1985	21.6 °C	2,176 mm	4
1984	32.0 °C22 February 1984	16.4 °C23 December 1984	21.9 °C	1,662 mm	7
1983	30.3 °C24 February 1983	16.9 °C9 January 1983	22.1 °C	1,807 mm	3
1982	30.6 °C26 March 1982	16.4 °C20 July 1982	21.9 °C	1,999 mm	5
1981	31.8 °C2 March 1981	16.6 °C15 June 1981	22.0 °C	1,625 mm	7
1980	31.9 °C22 February 1980	16.1 °C24 July 1980	22.1 °C	1,507 mm	9
1979	30.1 °C1 March 1979	16.2 °C18 July 1979	21.8 °C	2,101 mm	1
1978	30.7 °C7 February 1978	16.3 °C30 January 1978	21.5 °C	2,159 mm	2
1977	29.7 °C16 March 1977	15.5 °C14 August 1977	21.6 °C	2,306 mm	0
1976	30.5 °C30 January 1976	15.7 °C19 August 1976	21.4 °C	2,204 mm	1
1975	30.2 °C17 February 1975	16.4 °C21 September 1975	21.3 °C	2,189 mm	3
1974	31.7 °C16 March 1974	15.9 °C28 July 1974	21.4 °C	2,049 mm	6
1973	31.2 °C6 February 1973	16.6 °C2 July 1973	21.9 °C	1,882 mm	5
1972	29.3 °C1 April 1972	16.5 °C2 January 1972	21.3 °C	2,648 mm	0
1971	31.1 °C5 March 1971	16.1 °C20 September 1971	21.1 °C	2,045 mm	7
1970	29.2 °C3 January 1970	16.2 °C25 July 1970	21.5 °C	2,083 mm	0
1969	29.3 °C2 October 1969	15.9 °C6 August 1969	21.7 °C	1,901 mm	0
1968	29.4 °C6 October 1968	16.2 °C19 July 1968	21.2 °C	2,235 mm	0
1967	30.0 °C12 February 1967	15.9 °C29 July 1967	21.3 °C	2,426 mm	2
1966	28.9 °C17 September 1966	16.2 °C24 December 1966	21.6 °C	2,278 mm	0
1965	30.2 °C27 February 1965	16.0 °C20 February 1965	21.6 °C	1,894 mm	1
1964	28.1 °C31 January 1964	15.6 °C31 August 1964	21.1 °C	2,204 mm	0
1963	29.7 °C8 September 1963	15.6 °C28 July 1963	21.0 °C	2,749 mm	0
1962	28.8 °C16 February 1962	16.1 °C2 July 1962	20.9 °C	2,623 mm	0
1961	31.5 °C21 January 1961	16.0 °C13 February 1961	21.5 °C	2,813 mm	5
1960	29.0 °C11 February 1960	16.5 °C28 January 1960	21.7 °C	2,349 mm	0
1959	30.8 °C15 March 1959	16.1 °C22 September 1959	21.8 °C	2,124 mm	3
1958	31.9 °C3 March 1958	16.0 °C28 June 1958	21.8 °C	1,965 mm	5
1957	30.4 °C22 September 1957	16.6 °C29 June 1957	21.6 °C	2,214 mm	2
1956	28.9 °C3 March 1956	16.1 °C23 July 1956	20.9 °C	1,962 mm	0
1955	27.9 °C7 October 1955	16.6 °C7 July 1955	21.0 °C	1,912 mm	0
1954	27.8 °C24 November 1954	16.2 °C2 July 1954	21.1 °C	1,681 mm	0
1953	29.2 °C2 October 1953	15.9 °C12 August 1953	20.9 °C	3,391 mm	0
1952	28.1 °C23 January 1952	16.6 °C16 August 1952	21.2 °C	2,509 mm	0
1951	28.1 °C8 October 1951	16.2 °C3 July 1951	21.1 °C	2,611 mm	0
1950	29.1 °C2 March 1950	15.9 °C19 July 1950	20.8 °C	2,054 mm	0
1949	28.4 °C23 March 1949	16.1 °C1 August 1949	21.3 °C	1,864 mm	0
1948	27.6 °C26 March 1948	16.6 °C18 March 1948	21.3 °C	2,151 mm	0
1947	29.1 °C10 October 1947	15.8 °C21 July 1947	21.3 °C	2,081 mm	0
1946	32.4 °C23 February 1946	16.7 °C22 November 1946	21.8 °C	1,386 mm	32
1945	29.7 °C20 March 1945	16.6 °C28 February 1945	21.7 °C	1,101 mm	0
1944	31.2 °C15 February 1944	15.7 °C6 July 1944	22.2 °C	1,195 mm	19
1943	31.7 °C18 February 1943	15.1 °C27 July 1943	22.0 °C	842 mm	23
1942	30.8 °C5 February 1942	16.4 °C25 June 1942	21.8 °C	1,009 mm	8
1941	31.3 °C26 March 1941	16.3 °C26 November 1941	21.7 °C	1,270 mm	4
1940	28.1 °C26 December 1940	15.9 °C11 January 1940	20.9 °C	2,010 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

27.0 °C

+1.0 °C

Hot days (≥ 30 °C)

26 d/yr

+17

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1449 mm

-388 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.4 °C	+1.0 °C	46 mm	-60 mm
Feb	30.4 °C	+3.2 °C	14 mm	-89 mm
Mar	28.1 °C	+1.3 °C	150 mm	-44 mm
Apr	26.5 °C	+0.8 °C	220 mm	-48 mm
May	26.5 °C	+1.0 °C	207 mm	-15 mm
Jun	26.4 °C	+1.0 °C	53 mm	-43 mm
Jul	26.0 °C	+0.7 °C	73 mm	+2 mm
Aug	25.9 °C	0.0 °C	160 mm	+74 mm
Sep	27.4 °C	+1.0 °C	52 mm	-59 mm
Oct	26.4 °C	+0.3 °C	197 mm	+20 mm
Nov	27.2 °C	+1.9 °C	68 mm	-165 mm
Dec	26.8 °C	+1.2 °C	208 mm	+38 mm

The year's extremes

Hottest day

33.6 °C

22 Feb 2025

Coldest day

16.8 °C

17 Aug 2025

Wettest day

69.2 mm

16 Aug 2025

Windiest day

23.3 km/h

20 Jan 2025

Strongest gust

42.5 km/h

20 Jan 2025

Hottest feels-like

35.8 °C

5 Mar 2025

Coldest feels-like

17.1 °C

17 Aug 2025

Sunniest day

11.9 h

3 Mar 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 Homa Bay?

Homa Bay has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 22.0 °C and it receives 1,837 mm of precipitation per year.

What is the hottest day ever recorded in Homa Bay?

The hottest day measured in Homa Bay between 1940 and 2025 was 23 February 2005, reaching 34.5 °C.

What is the coldest day in Homa Bay?

The coldest day measured in Homa Bay between 1940 and 2025 was 27 July 1943, at 15.1 °C.

Does it snow in Homa Bay?

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

Has the climate of Homa Bay warmed?

Yes: Homa Bay warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Homa Bay?

The wettest day measured in Homa Bay between 1940 and 2025 was 23 November 2019, with 140 mm of rain in 24 hours.

What was the windiest day in Homa Bay?

The windiest day measured in Homa Bay between 1940 and 2025 was 22 February 1946, with winds reaching 28.4 km/h.

What is the warmest month in Homa Bay?

The warmest month in Homa Bay is February (22.8 °C on average); the coldest is July (21.4 °C).

How much does it rain in Homa Bay?

Homa Bay receives on average 1,837 mm of precipitation per year, spread over about 261 rainy days.

Is it sunny in Homa Bay?

Homa Bay gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.

Are there tropical nights in Homa Bay?

Yes: Homa Bay has on average 51 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Homa Bay?

In Homa Bay, between 1940 and 2025, the highest apparent temperature reached 35.8 °C on 25 February 2005, and the lowest was 13.2 °C on 6 July 1944.

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