Kasamwa climate — normals and trends

Q: What is the climate of Kasamwa?

Kasamwa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.7 °C and it receives 1,333 mm of precipitation per year.

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

The hottest day measured in Kasamwa between 1940 and 2025 was 18 October 2006, reaching 34.5 °C.

Q: What is the coldest day in Kasamwa?

The coldest day measured in Kasamwa between 1940 and 2025 was 8 June 1971, at 12.2 °C.

Q: Does it snow in Kasamwa?

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

Q: Has the climate of Kasamwa warmed?

Yes: Kasamwa warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Kasamwa?

The wettest day measured in Kasamwa between 1940 and 2025 was 16 November 1978, with 92 mm of rain in 24 hours.

Q: What was the windiest day in Kasamwa?

The windiest day measured in Kasamwa between 1940 and 2025 was 6 September 1967, with winds reaching 25.0 km/h.

Q: What is the warmest month in Kasamwa?

The warmest month in Kasamwa is August (22.5 °C on average); the coldest is December (20.9 °C).

Q: How much does it rain in Kasamwa?

Kasamwa receives on average 1,333 mm of precipitation per year, spread over about 189 rainy days.

Q: Is it sunny in Kasamwa?

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

Kasamwa (Tanzania) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 21.7 °C and it receives 1,333 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 August (22.5 °C on average) and the coldest is December (20.9 °C). Rainfall peaks in November.

Kasamwa averages 0 frost days, 27 hot days (≥ 30 °C) and 189 rainy days per year.

Kasamwa has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.5 °C (on 18 October 2006) and the coldest 12.2 °C (on 8 June 1971).

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

KasamwaGeita

coords: -2.85°, 32.43°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAugustColdest monthDecemberWettest monthNovemberDriest monthJuly

Mean daily temperature

21.7°C

Average daily high

27.0°C

Average daily low

17.5°C

Annual rainfall

1,333mm

Sunshine / day

10.8h

Mean relative humidity

72%

Average peak wind

12.0km/h

Seasonal range

1.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

27 d/yr

Rainy days (≥ 1 mm)

189 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.4 °C

Average feels-like low

18.1 °C

Average peak gust

30.1 km/h

Tropical nights (≥ 20 °C)

9 d/yr

Solar radiation

20.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.71 · 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

18 October 2006

Coldest day

12.2 °C

8 June 1971

Wettest day

92 mm

16 November 1978

Windiest day

25.0 km/h

6 September 1967

Strongest gust

58.7 km/h

23 October 2018

Hottest feels-like

38.2 °C

23 February 2007

Coldest feels-like

9.3 °C

26 July 1947

Sunniest day

12.1 h

11 November 1959

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.3 °C1 March 2025	14.3 °C22 August 2025	22.6 °C	1,049 mm	39
2024	32.3 °C3 June 2024	14.0 °C6 August 2024	23.0 °C	1,104 mm	72
2023	33.2 °C27 August 2023	15.6 °C23 January 2023	22.8 °C	1,422 mm	56
2022	31.4 °C14 April 2022	15.0 °C31 May 2022	22.3 °C	1,138 mm	24
2021	31.1 °C28 August 2021	14.3 °C26 June 2021	22.4 °C	888 mm	16
2020	31.9 °C18 September 2020	15.7 °C10 August 2020	22.4 °C	1,333 mm	17
2019	32.6 °C20 March 2019	14.5 °C29 July 2019	22.9 °C	1,435 mm	89
2018	32.5 °C27 September 2018	15.2 °C30 May 2018	22.4 °C	1,145 mm	38
2017	32.3 °C15 April 2017	15.2 °C27 November 2017	23.2 °C	1,091 mm	117
2016	32.9 °C29 March 2016	14.4 °C30 January 2016	23.0 °C	906 mm	82
2015	32.9 °C20 September 2015	15.9 °C13 July 2015	22.5 °C	1,248 mm	65
2014	31.9 °C31 May 2014	15.3 °C10 September 2014	22.3 °C	1,127 mm	31
2013	31.2 °C5 September 2013	14.0 °C10 June 2013	22.0 °C	1,216 mm	17
2012	33.2 °C29 March 2012	13.2 °C3 January 2012	22.0 °C	1,421 mm	34
2011	32.5 °C9 June 2011	15.5 °C6 February 2011	22.2 °C	1,309 mm	59
2010	32.5 °C23 August 2010	15.6 °C29 January 2010	22.6 °C	1,092 mm	53
2009	32.7 °C14 September 2009	15.5 °C29 July 2009	22.8 °C	1,077 mm	102
2008	31.5 °C30 June 2008	13.4 °C9 July 2008	22.2 °C	1,064 mm	34
2007	32.6 °C28 August 2007	14.3 °C19 June 2007	22.3 °C	1,043 mm	30
2006	34.5 °C18 October 2006	15.2 °C2 June 2006	22.5 °C	1,399 mm	74
2005	33.5 °C23 February 2005	14.8 °C18 July 2005	22.7 °C	907 mm	74
2004	31.9 °C23 August 2004	15.0 °C5 September 2004	22.7 °C	1,006 mm	67
2003	32.4 °C19 March 2003	14.4 °C29 August 2003	22.6 °C	849 mm	62
2002	33.1 °C1 October 2002	14.5 °C11 July 2002	22.3 °C	1,099 mm	57
2001	31.0 °C4 March 2001	15.8 °C4 March 2001	21.8 °C	1,000 mm	12
2000	32.1 °C5 September 2000	14.8 °C27 January 2000	22.4 °C	791 mm	63
1999	31.6 °C16 February 1999	15.4 °C19 September 1999	22.0 °C	939 mm	23
1998	31.3 °C14 September 1998	15.8 °C12 June 1998	22.4 °C	1,066 mm	26
1997	34.3 °C26 September 1997	14.6 °C21 May 1997	22.4 °C	1,417 mm	69
1996	31.0 °C4 August 1996	13.7 °C25 September 1996	21.7 °C	1,285 mm	7
1995	31.4 °C11 August 1995	14.9 °C22 December 1995	22.0 °C	1,167 mm	26
1994	31.8 °C21 September 1994	14.4 °C6 October 1994	21.8 °C	1,354 mm	17
1993	32.3 °C11 September 1993	15.1 °C22 January 1993	22.0 °C	1,111 mm	31
1992	32.5 °C26 September 1992	14.8 °C19 July 1992	21.9 °C	1,151 mm	27
1991	32.0 °C20 September 1991	14.5 °C25 December 1991	21.7 °C	1,450 mm	14
1990	32.1 °C7 October 1990	14.0 °C28 June 1990	22.1 °C	1,244 mm	18
1989	29.9 °C12 July 1989	13.5 °C23 January 1989	21.6 °C	1,422 mm	0
1988	30.7 °C18 August 1988	15.2 °C27 December 1988	21.9 °C	1,431 mm	9
1987	31.9 °C1 September 1987	14.3 °C26 June 1987	22.2 °C	1,323 mm	29
1986	31.8 °C12 September 1986	12.9 °C24 February 1986	21.7 °C	1,703 mm	34
1985	32.2 °C17 March 1985	15.0 °C14 July 1985	21.8 °C	1,205 mm	13
1984	31.6 °C22 August 1984	14.4 °C20 January 1984	21.8 °C	1,228 mm	8
1983	30.8 °C3 August 1983	15.0 °C28 September 1983	22.0 °C	1,437 mm	12
1982	31.0 °C30 August 1982	15.0 °C29 December 1982	21.8 °C	1,514 mm	19
1981	31.9 °C24 September 1981	14.1 °C22 June 1981	21.6 °C	1,356 mm	12
1980	31.4 °C25 February 1980	14.6 °C3 June 1980	21.8 °C	1,165 mm	27
1979	31.8 °C2 September 1979	15.0 °C14 July 1979	21.7 °C	1,432 mm	31
1978	30.9 °C7 February 1978	13.4 °C5 February 1978	21.2 °C	1,686 mm	4
1977	31.6 °C15 October 1977	13.2 °C10 July 1977	21.4 °C	1,724 mm	16
1976	31.1 °C13 October 1976	13.3 °C29 June 1976	21.3 °C	1,436 mm	12
1975	30.2 °C6 July 1975	13.5 °C28 July 1975	21.0 °C	1,490 mm	1
1974	31.1 °C20 August 1974	13.8 °C21 June 1974	20.9 °C	1,357 mm	13
1973	32.6 °C29 August 1973	12.5 °C3 July 1973	21.5 °C	1,330 mm	18
1972	31.0 °C19 September 1972	13.5 °C1 May 1972	20.8 °C	1,742 mm	12
1971	30.6 °C6 March 1971	12.2 °C8 June 1971	20.9 °C	1,501 mm	7
1970	32.2 °C27 September 1970	14.8 °C29 June 1970	21.3 °C	1,361 mm	21
1969	31.3 °C25 September 1969	13.8 °C19 June 1969	21.5 °C	1,284 mm	22
1968	32.6 °C5 October 1968	13.7 °C15 January 1968	21.1 °C	1,775 mm	20
1967	31.1 °C30 August 1967	14.8 °C5 January 1967	21.1 °C	1,600 mm	15
1966	30.9 °C16 August 1966	14.0 °C28 July 1966	21.2 °C	1,488 mm	12
1965	32.9 °C11 October 1965	12.7 °C18 January 1965	21.3 °C	1,519 mm	33
1964	30.0 °C9 September 1964	13.3 °C10 December 1964	20.8 °C	1,704 mm	1
1963	32.4 °C8 September 1963	14.5 °C15 June 1963	20.8 °C	1,734 mm	13
1962	29.1 °C30 July 1962	12.8 °C29 July 1962	20.2 °C	1,856 mm	0
1961	31.5 °C29 August 1961	13.9 °C12 June 1961	21.5 °C	1,879 mm	7
1960	31.3 °C1 September 1960	14.0 °C31 July 1960	21.8 °C	1,425 mm	13
1959	30.1 °C15 March 1959	13.7 °C2 June 1959	21.5 °C	1,602 mm	2
1958	31.5 °C30 October 1958	12.9 °C20 July 1958	21.7 °C	1,230 mm	9
1957	32.1 °C23 September 1957	13.1 °C3 February 1957	21.5 °C	1,842 mm	32
1956	29.4 °C16 October 1956	13.1 °C16 July 1956	20.5 °C	1,401 mm	0
1955	30.0 °C28 August 1955	13.1 °C18 August 1955	20.6 °C	1,532 mm	1
1954	29.3 °C5 September 1954	13.6 °C15 June 1954	20.7 °C	1,342 mm	0
1953	31.3 °C11 September 1953	13.0 °C6 July 1953	20.7 °C	2,126 mm	9
1952	29.3 °C8 October 1952	14.2 °C1 September 1952	20.9 °C	1,672 mm	0
1951	30.4 °C2 September 1951	13.2 °C17 July 1951	20.8 °C	1,883 mm	3
1950	28.9 °C10 September 1950	12.5 °C4 June 1950	20.4 °C	1,632 mm	0
1949	30.1 °C18 August 1949	13.9 °C19 August 1949	20.9 °C	1,299 mm	2
1948	30.5 °C27 August 1948	13.4 °C28 July 1948	21.0 °C	1,521 mm	1
1947	31.4 °C22 September 1947	12.4 °C26 July 1947	21.2 °C	1,444 mm	21
1946	32.5 °C2 April 1946	14.0 °C5 August 1946	21.3 °C	1,257 mm	37
1945	31.8 °C10 September 1945	13.3 °C9 June 1945	21.3 °C	961 mm	37
1944	32.6 °C14 September 1944	13.4 °C11 January 1944	21.8 °C	974 mm	53
1943	31.6 °C13 October 1943	13.2 °C14 August 1943	21.7 °C	838 mm	20
1942	32.3 °C1 October 1942	13.3 °C14 July 1942	21.4 °C	750 mm	40
1941	30.9 °C2 October 1941	14.0 °C25 December 1941	21.2 °C	1,179 mm	8
1940	29.4 °C18 July 1940	13.8 °C26 July 1940	20.4 °C	1,730 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

27.8 °C

+0.8 °C

Hot days (≥ 30 °C)

39 d/yr

+12

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1049 mm

-284 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.3 °C	+1.1 °C	83 mm	-54 mm
Feb	30.0 °C	+3.0 °C	23 mm	-100 mm
Mar	28.9 °C	+1.9 °C	120 mm	-43 mm
Apr	27.5 °C	+1.1 °C	168 mm	-2 mm
May	27.4 °C	+0.7 °C	48 mm	-17 mm
Jun	28.3 °C	+0.6 °C	21 mm	+2 mm
Jul	28.5 °C	+0.4 °C	2 mm	-8 mm
Aug	27.4 °C	-1.0 °C	89 mm	+53 mm
Sep	28.5 °C	+0.5 °C	53 mm	-24 mm
Oct	26.5 °C	-0.5 °C	177 mm	+38 mm
Nov	26.7 °C	+0.9 °C	141 mm	-67 mm
Dec	26.4 °C	+0.7 °C	125 mm	-62 mm

The year's extremes

Hottest day

33.3 °C

1 Mar 2025

Coldest day

14.3 °C

22 Aug 2025

Wettest day

29.9 mm

7 Apr 2025

Windiest day

21.7 km/h

3 Aug 2025

Strongest gust

47.9 km/h

3 Aug 2025

Hottest feels-like

36.9 °C

28 Feb 2025

Coldest feels-like

12.6 °C

4 Aug 2025

Sunniest day

12.0 h

18 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 Kasamwa?

Kasamwa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.7 °C and it receives 1,333 mm of precipitation per year.

What is the hottest day ever recorded in Kasamwa?

The hottest day measured in Kasamwa between 1940 and 2025 was 18 October 2006, reaching 34.5 °C.

What is the coldest day in Kasamwa?

The coldest day measured in Kasamwa between 1940 and 2025 was 8 June 1971, at 12.2 °C.

Does it snow in Kasamwa?

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

Has the climate of Kasamwa warmed?

Yes: Kasamwa warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Kasamwa?

The wettest day measured in Kasamwa between 1940 and 2025 was 16 November 1978, with 92 mm of rain in 24 hours.

What was the windiest day in Kasamwa?

The windiest day measured in Kasamwa between 1940 and 2025 was 6 September 1967, with winds reaching 25.0 km/h.

What is the warmest month in Kasamwa?

The warmest month in Kasamwa is August (22.5 °C on average); the coldest is December (20.9 °C).

How much does it rain in Kasamwa?

Kasamwa receives on average 1,333 mm of precipitation per year, spread over about 189 rainy days.

Is it sunny in Kasamwa?

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

Are there tropical nights in Kasamwa?

Yes: Kasamwa has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Kasamwa?

In Kasamwa, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 23 February 2007, and the lowest was 9.3 °C on 26 July 1947.

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