Butiama climate — normals and trends

Q: What is the climate of Butiama?

Butiama has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.4 °C and it receives 1,702 mm of precipitation per year.

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

The hottest day measured in Butiama between 1940 and 2025 was 10 February 2006, reaching 34.8 °C.

Q: What is the coldest day in Butiama?

The coldest day measured in Butiama between 1940 and 2025 was 24 July 1947, at 11.1 °C.

Q: Does it snow in Butiama?

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

Q: Has the climate of Butiama warmed?

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

Q: What is the wettest day in Butiama?

The wettest day measured in Butiama between 1940 and 2025 was 17 November 1983, with 94 mm of rain in 24 hours.

Q: What was the windiest day in Butiama?

The windiest day measured in Butiama between 1940 and 2025 was 18 February 1999, with winds reaching 22.8 km/h.

Q: What is the warmest month in Butiama?

The warmest month in Butiama is September (22.2 °C on average); the coldest is December (20.8 °C).

Q: How much does it rain in Butiama?

Butiama receives on average 1,702 mm of precipitation per year, spread over about 204 rainy days.

Q: Is it sunny in Butiama?

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

Butiama (Tanzania) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 21.4 °C and it receives 1,702 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 September (22.2 °C on average) and the coldest is December (20.8 °C). Rainfall peaks in April.

Butiama averages 0 frost days, 27 hot days (≥ 30 °C) and 204 rainy days per year.

Butiama 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 34.8 °C (on 10 February 2006) and the coldest 11.1 °C (on 24 July 1947).

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

ButiamaMara

coords: -1.77°, 33.97°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthSeptemberColdest monthDecemberWettest monthAprilDriest monthJuly

Mean daily temperature

21.4°C

Average daily high

26.9°C

Average daily low

17.2°C

Annual rainfall

1,702mm

Sunshine / day

10.8h

Mean relative humidity

75%

Average peak wind

12.3km/h

Seasonal range

1.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

27 d/yr

Rainy days (≥ 1 mm)

204 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.6 °C

Average feels-like low

18.1 °C

Average peak gust

29.3 km/h

Tropical nights (≥ 20 °C)

4 d/yr

Solar radiation

20.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.70 · 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

34.8 °C

10 February 2006

Coldest day

11.1 °C

24 July 1947

Wettest day

94 mm

17 November 1983

Windiest day

22.8 km/h

18 February 1999

Strongest gust

50.4 km/h

12 May 1983

Hottest feels-like

37.0 °C

21 March 2016

Coldest feels-like

8.3 °C

24 July 1947

Sunniest day

12.1 h

17 November 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.5 °C6 March 2025	14.5 °C27 July 2025	22.1 °C	1,454 mm	25
2024	32.1 °C12 September 2024	14.5 °C5 August 2024	22.6 °C	1,659 mm	52
2023	33.0 °C20 August 2023	15.9 °C20 July 2023	22.7 °C	1,850 mm	73
2022	33.2 °C26 October 2022	14.3 °C14 January 2022	22.2 °C	1,362 mm	45
2021	31.3 °C28 August 2021	15.1 °C17 January 2021	22.1 °C	1,270 mm	21
2020	31.9 °C18 September 2020	14.6 °C19 July 2020	22.1 °C	1,778 mm	15
2019	32.0 °C14 February 2019	14.6 °C5 August 2019	22.1 °C	1,937 mm	24
2018	32.9 °C30 September 2018	14.6 °C29 May 2018	22.2 °C	1,480 mm	45
2017	33.6 °C18 January 2017	14.0 °C10 July 2017	22.6 °C	1,454 mm	57
2016	32.4 °C5 March 2016	14.3 °C29 June 2016	22.9 °C	1,070 mm	85
2015	33.6 °C5 October 2015	14.4 °C19 January 2015	22.2 °C	1,627 mm	54
2014	31.5 °C2 March 2014	13.4 °C13 February 2014	21.7 °C	1,463 mm	14
2013	31.9 °C15 October 2013	12.7 °C16 July 2013	21.7 °C	1,520 mm	13
2012	32.7 °C29 March 2012	13.9 °C4 January 2012	21.5 °C	1,623 mm	24
2011	31.4 °C28 January 2011	15.5 °C6 February 2011	21.5 °C	1,916 mm	16
2010	32.0 °C3 October 2010	15.4 °C24 September 2010	22.3 °C	1,505 mm	39
2009	31.8 °C28 September 2009	14.3 °C20 July 2009	22.1 °C	1,635 mm	42
2008	31.2 °C28 September 2008	12.7 °C9 July 2008	21.7 °C	1,386 mm	12
2007	31.8 °C29 October 2007	13.8 °C20 June 2007	21.7 °C	1,501 mm	21
2006	34.8 °C10 February 2006	15.6 °C11 June 2006	22.3 °C	1,711 mm	83
2005	33.5 °C23 February 2005	14.7 °C13 June 2005	22.6 °C	1,080 mm	91
2004	32.5 °C10 October 2004	14.0 °C5 July 2004	22.1 °C	1,427 mm	33
2003	32.1 °C19 March 2003	14.3 °C30 August 2003	22.0 °C	1,253 mm	46
2002	32.7 °C22 October 2002	14.0 °C15 June 2002	22.2 °C	1,523 mm	60
2001	31.6 °C20 October 2001	14.8 °C7 August 2001	21.5 °C	1,372 mm	9
2000	31.8 °C13 September 2000	15.3 °C21 February 2000	21.9 °C	1,281 mm	38
1999	32.3 °C18 February 1999	15.3 °C6 July 1999	21.8 °C	1,289 mm	28
1998	32.6 °C14 September 1998	15.6 °C11 November 1998	22.3 °C	1,232 mm	25
1997	34.6 °C24 September 1997	14.6 °C21 May 1997	22.2 °C	1,733 mm	76
1996	31.4 °C14 October 1996	14.2 °C10 August 1996	21.8 °C	1,381 mm	20
1995	32.0 °C22 September 1995	15.0 °C22 January 1995	21.9 °C	1,452 mm	32
1994	33.6 °C25 September 1994	12.9 °C24 August 1994	21.6 °C	1,978 mm	20
1993	33.0 °C11 September 1993	14.4 °C22 January 1993	22.0 °C	1,207 mm	58
1992	32.5 °C26 September 1992	14.1 °C19 July 1992	21.6 °C	1,497 mm	28
1991	33.4 °C20 September 1991	14.4 °C15 July 1991	21.4 °C	1,838 mm	20
1990	32.7 °C7 October 1990	14.1 °C8 January 1990	21.7 °C	1,702 mm	20
1989	30.8 °C22 October 1989	13.4 °C17 June 1989	21.4 °C	1,744 mm	6
1988	31.4 °C2 March 1988	14.7 °C20 July 1988	21.7 °C	1,625 mm	15
1987	32.2 °C10 September 1987	15.0 °C5 July 1987	22.0 °C	1,600 mm	46
1986	33.0 °C30 September 1986	13.4 °C20 July 1986	21.4 °C	2,047 mm	39
1985	32.6 °C16 March 1985	13.8 °C8 June 1985	21.4 °C	1,734 mm	17
1984	31.5 °C26 September 1984	14.0 °C21 January 1984	21.4 °C	1,595 mm	13
1983	30.9 °C6 July 1983	14.9 °C30 November 1983	21.6 °C	1,746 mm	4
1982	32.3 °C12 September 1982	14.9 °C1 February 1982	21.4 °C	1,817 mm	18
1981	31.6 °C11 March 1981	13.5 °C16 June 1981	21.3 °C	1,672 mm	6
1980	31.3 °C2 September 1980	14.2 °C24 July 1980	21.5 °C	1,511 mm	29
1979	33.0 °C12 October 1979	14.4 °C3 March 1979	21.4 °C	1,693 mm	36
1978	32.3 °C18 October 1978	12.4 °C5 February 1978	21.2 °C	2,038 mm	21
1977	33.5 °C1 October 1977	12.9 °C11 August 1977	21.1 °C	2,241 mm	29
1976	32.3 °C29 October 1976	13.3 °C26 July 1976	20.8 °C	1,978 mm	21
1975	30.4 °C26 January 1975	12.7 °C29 July 1975	20.7 °C	1,904 mm	4
1974	32.5 °C30 October 1974	14.1 °C21 August 1974	20.8 °C	1,822 mm	21
1973	32.3 °C28 August 1973	11.7 °C4 July 1973	21.3 °C	1,697 mm	23
1972	31.3 °C3 September 1972	14.3 °C18 March 1972	20.6 °C	2,237 mm	15
1971	30.6 °C16 October 1971	12.8 °C10 July 1971	20.5 °C	1,938 mm	7
1970	32.4 °C30 October 1970	12.4 °C11 July 1970	21.1 °C	1,828 mm	16
1969	33.0 °C2 October 1969	13.0 °C6 August 1969	21.2 °C	1,536 mm	26
1968	32.2 °C6 October 1968	13.1 °C15 January 1968	20.9 °C	1,929 mm	27
1967	30.8 °C5 September 1967	12.5 °C29 July 1967	20.7 °C	1,994 mm	7
1966	31.9 °C15 October 1966	13.6 °C16 September 1966	21.2 °C	1,751 mm	16
1965	34.0 °C11 October 1965	11.8 °C18 January 1965	21.2 °C	1,737 mm	41
1964	31.2 °C30 October 1964	12.3 °C12 August 1964	20.6 °C	2,008 mm	6
1963	33.8 °C22 October 1963	11.9 °C28 July 1963	20.6 °C	2,379 mm	31
1962	29.5 °C1 October 1962	13.8 °C2 July 1962	20.1 °C	2,201 mm	0
1961	31.0 °C17 January 1961	13.0 °C16 June 1961	21.0 °C	2,618 mm	9
1960	32.6 °C22 October 1960	13.1 °C26 July 1960	21.6 °C	1,836 mm	40
1959	30.5 °C15 March 1959	13.5 °C10 June 1959	21.2 °C	2,088 mm	8
1958	32.9 °C30 October 1958	13.8 °C8 August 1958	21.3 °C	1,859 mm	24
1957	32.7 °C22 September 1957	12.9 °C5 February 1957	21.2 °C	2,237 mm	37
1956	29.7 °C15 October 1956	13.5 °C1 August 1956	20.2 °C	1,790 mm	0
1955	29.1 °C7 October 1955	13.1 °C15 August 1955	20.2 °C	1,893 mm	0
1954	29.6 °C25 November 1954	11.9 °C2 July 1954	20.4 °C	1,688 mm	0
1953	31.1 °C10 September 1953	12.6 °C6 July 1953	20.3 °C	2,967 mm	9
1952	30.1 °C27 September 1952	14.2 °C17 June 1952	20.7 °C	1,954 mm	2
1951	31.3 °C5 September 1951	13.4 °C17 July 1951	20.5 °C	2,254 mm	3
1950	29.4 °C7 October 1950	12.5 °C3 June 1950	20.1 °C	1,849 mm	0
1949	30.9 °C31 October 1949	12.3 °C31 July 1949	20.4 °C	1,700 mm	2
1948	30.8 °C4 October 1948	12.9 °C12 June 1948	20.6 °C	1,777 mm	4
1947	33.2 °C10 October 1947	11.1 °C24 July 1947	20.9 °C	1,844 mm	44
1946	32.7 °C31 March 1946	13.5 °C6 August 1946	20.7 °C	1,604 mm	22
1945	32.8 °C6 October 1945	13.1 °C9 June 1945	20.9 °C	1,252 mm	37
1944	32.8 °C31 August 1944	13.0 °C6 July 1944	21.7 °C	1,264 mm	84
1943	32.7 °C13 January 1943	12.2 °C29 May 1943	21.3 °C	918 mm	37
1942	32.1 °C1 October 1942	13.8 °C25 June 1942	20.9 °C	1,044 mm	38
1941	31.2 °C28 September 1941	14.1 °C25 May 1941	20.8 °C	1,535 mm	9
1940	28.4 °C17 April 1940	13.0 °C29 June 1940	19.9 °C	1,935 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

27.5 °C

+0.6 °C

Hot days (≥ 30 °C)

25 d/yr

-2

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1454 mm

-248 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.7 °C	+0.4 °C	112 mm	-71 mm
Feb	29.4 °C	+2.5 °C	22 mm	-144 mm
Mar	28.1 °C	+1.2 °C	171 mm	-54 mm
Apr	27.1 °C	+0.8 °C	235 mm	-8 mm
May	26.9 °C	+0.7 °C	95 mm	-36 mm
Jun	27.5 °C	+0.7 °C	42 mm	-1 mm
Jul	27.7 °C	+0.4 °C	38 mm	+10 mm
Aug	27.2 °C	-0.7 °C	114 mm	+65 mm
Sep	28.2 °C	-0.1 °C	101 mm	+31 mm
Oct	26.7 °C	-1.4 °C	184 mm	+67 mm
Nov	27.8 °C	+1.4 °C	69 mm	-145 mm
Dec	27.1 °C	+1.2 °C	272 mm	+38 mm

The year's extremes

Hottest day

32.5 °C

6 Mar 2025

Coldest day

14.5 °C

27 Jul 2025

Wettest day

89.6 mm

28 Dec 2025

Windiest day

20.4 km/h

27 Feb 2025

Strongest gust

43.6 km/h

1 Oct 2025

Hottest feels-like

34.9 °C

6 Mar 2025

Coldest feels-like

13.9 °C

30 Aug 2025

Sunniest day

12.0 h

23 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 Butiama?

Butiama has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 21.4 °C and it receives 1,702 mm of precipitation per year.

What is the hottest day ever recorded in Butiama?

The hottest day measured in Butiama between 1940 and 2025 was 10 February 2006, reaching 34.8 °C.

What is the coldest day in Butiama?

The coldest day measured in Butiama between 1940 and 2025 was 24 July 1947, at 11.1 °C.

Does it snow in Butiama?

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

Has the climate of Butiama warmed?

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

What is the wettest day in Butiama?

The wettest day measured in Butiama between 1940 and 2025 was 17 November 1983, with 94 mm of rain in 24 hours.

What was the windiest day in Butiama?

The windiest day measured in Butiama between 1940 and 2025 was 18 February 1999, with winds reaching 22.8 km/h.

What is the warmest month in Butiama?

The warmest month in Butiama is September (22.2 °C on average); the coldest is December (20.8 °C).

How much does it rain in Butiama?

Butiama receives on average 1,702 mm of precipitation per year, spread over about 204 rainy days.

Is it sunny in Butiama?

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

Are there tropical nights in Butiama?

Yes: Butiama has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Butiama?

In Butiama, between 1940 and 2025, the highest apparent temperature reached 37.0 °C on 21 March 2016, and the lowest was 8.3 °C on 24 July 1947.

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