Nyamuswa climate — normals and trends

Q: What is the climate of Nyamuswa?

Nyamuswa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 1,351 mm of precipitation per year.

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

The hottest day measured in Nyamuswa between 1940 and 2025 was 10 February 2006, reaching 35.4 °C.

Q: What is the coldest day in Nyamuswa?

The coldest day measured in Nyamuswa between 1940 and 2025 was 24 July 1947, at 11.8 °C.

Q: Does it snow in Nyamuswa?

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

Q: Has the climate of Nyamuswa warmed?

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

Q: What is the wettest day in Nyamuswa?

The wettest day measured in Nyamuswa between 1940 and 2025 was 29 April 1958, with 106 mm of rain in 24 hours.

Q: What was the windiest day in Nyamuswa?

The windiest day measured in Nyamuswa between 1940 and 2025 was 18 February 1999, with winds reaching 22.6 km/h.

Q: What is the warmest month in Nyamuswa?

The warmest month in Nyamuswa is September (23.1 °C on average); the coldest is December (21.4 °C).

Q: How much does it rain in Nyamuswa?

Nyamuswa receives on average 1,351 mm of precipitation per year, spread over about 185 rainy days.

Q: Is it sunny in Nyamuswa?

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

Nyamuswa (Tanzania) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.1 °C and it receives 1,351 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 (23.1 °C on average) and the coldest is December (21.4 °C). Rainfall peaks in December.

Nyamuswa averages 0 frost days, 61 hot days (≥ 30 °C) and 185 rainy days per year.

Nyamuswa has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.4 °C (on 10 February 2006) and the coldest 11.8 °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

NyamuswaMara

coords: -1.90°, 34.02°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthSeptemberColdest monthDecemberWettest monthDecemberDriest monthJuly

Mean daily temperature

22.1°C

Average daily high

27.8°C

Average daily low

17.6°C

Annual rainfall

1,351mm

Sunshine / day

10.8h

Mean relative humidity

71%

Average peak wind

11.9km/h

Seasonal range

1.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

61 d/yr

Rainy days (≥ 1 mm)

185 d/yr

Annual snowfall

0.0 cm

Average feels-like high

30.1 °C

Average feels-like low

18.5 °C

Average peak gust

28.7 km/h

Tropical nights (≥ 20 °C)

14 d/yr

Solar radiation

20.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.70 · 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

35.4 °C

10 February 2006

Coldest day

11.8 °C

24 July 1947

Wettest day

106 mm

29 April 1958

Windiest day

22.6 km/h

18 February 1999

Strongest gust

50.0 km/h

16 November 2016

Hottest feels-like

37.6 °C

21 March 2016

Coldest feels-like

8.7 °C

24 July 1947

Sunniest day

12.1 h

28 November 1979

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.7 °C6 March 2025	15.4 °C27 July 2025	23.0 °C	1,119 mm	92
2024	33.1 °C14 September 2024	15.0 °C5 August 2024	23.4 °C	1,276 mm	108
2023	33.7 °C3 October 2023	15.9 °C20 July 2023	23.4 °C	1,483 mm	120
2022	34.5 °C25 October 2022	14.7 °C5 July 2022	23.1 °C	1,077 mm	115
2021	32.5 °C25 October 2021	15.4 °C11 March 2021	22.8 °C	992 mm	75
2020	32.7 °C18 September 2020	14.8 °C19 July 2020	22.6 °C	1,427 mm	48
2019	34.1 °C14 February 2019	15.3 °C24 July 2019	23.1 °C	1,478 mm	107
2018	34.2 °C30 September 2018	14.5 °C29 May 2018	22.9 °C	1,164 mm	90
2017	34.6 °C18 January 2017	14.3 °C10 July 2017	23.5 °C	1,131 mm	146
2016	33.2 °C24 February 2016	14.6 °C28 June 2016	23.6 °C	858 mm	151
2015	34.6 °C10 March 2015	15.0 °C17 January 2015	22.9 °C	1,239 mm	95
2014	32.9 °C11 October 2014	14.5 °C13 February 2014	22.6 °C	1,168 mm	73
2013	33.3 °C15 October 2013	12.9 °C16 July 2013	22.4 °C	1,227 mm	61
2012	33.9 °C29 March 2012	14.5 °C4 January 2012	22.3 °C	1,228 mm	65
2011	32.6 °C28 January 2011	15.3 °C4 September 2011	22.4 °C	1,477 mm	74
2010	32.6 °C4 October 2010	15.4 °C24 September 2010	22.9 °C	1,159 mm	86
2009	33.1 °C28 September 2009	15.1 °C6 July 2009	22.9 °C	1,299 mm	115
2008	32.6 °C28 September 2008	12.8 °C9 July 2008	22.6 °C	1,102 mm	77
2007	34.1 °C26 October 2007	14.0 °C20 June 2007	22.5 °C	1,188 mm	72
2006	35.4 °C10 February 2006	15.9 °C16 June 2006	23.1 °C	1,385 mm	134
2005	34.7 °C22 December 2005	15.1 °C13 June 2005	23.5 °C	839 mm	179
2004	34.6 °C10 October 2004	14.7 °C5 July 2004	23.0 °C	1,100 mm	96
2003	34.5 °C19 March 2003	14.9 °C30 August 2003	22.9 °C	951 mm	96
2002	33.5 °C22 October 2002	14.0 °C15 June 2002	22.7 °C	1,292 mm	98
2001	32.9 °C20 October 2001	14.6 °C7 August 2001	22.2 °C	1,053 mm	37
2000	32.1 °C27 October 2000	15.9 °C21 February 2000	22.7 °C	986 mm	94
1999	33.1 °C8 February 1999	14.9 °C6 July 1999	22.4 °C	1,030 mm	57
1998	32.8 °C14 September 1998	15.8 °C11 November 1998	22.9 °C	987 mm	79
1997	35.2 °C25 September 1997	14.9 °C21 May 1997	23.0 °C	1,360 mm	109
1996	33.4 °C14 October 1996	14.0 °C10 August 1996	22.6 °C	1,080 mm	76
1995	32.8 °C22 September 1995	15.1 °C25 August 1995	22.7 °C	1,148 mm	77
1994	34.7 °C25 September 1994	13.3 °C24 August 1994	22.4 °C	1,492 mm	53
1993	33.7 °C28 October 1993	14.5 °C22 January 1993	22.8 °C	954 mm	99
1992	33.1 °C26 September 1992	14.2 °C19 July 1992	22.5 °C	1,179 mm	71
1991	34.6 °C20 September 1991	14.5 °C15 July 1991	22.0 °C	1,473 mm	37
1990	34.3 °C7 October 1990	13.7 °C8 January 1990	22.3 °C	1,376 mm	47
1989	32.5 °C22 October 1989	13.7 °C22 June 1989	22.0 °C	1,400 mm	37
1988	32.6 °C2 March 1988	14.9 °C20 July 1988	22.5 °C	1,276 mm	50
1987	32.8 °C26 December 1987	15.3 °C24 June 1987	22.6 °C	1,234 mm	83
1986	33.9 °C30 September 1986	13.7 °C8 July 1986	22.0 °C	1,701 mm	68
1985	33.3 °C16 March 1985	13.7 °C8 June 1985	22.0 °C	1,400 mm	41
1984	33.0 °C26 September 1984	14.4 °C8 September 1984	22.1 °C	1,407 mm	37
1983	32.0 °C6 July 1983	14.9 °C30 November 1983	22.4 °C	1,347 mm	54
1982	32.8 °C12 September 1982	14.9 °C25 November 1982	22.2 °C	1,432 mm	49
1981	33.8 °C11 March 1981	14.0 °C16 June 1981	22.2 °C	1,317 mm	48
1980	32.9 °C2 October 1980	14.5 °C20 March 1980	22.3 °C	1,184 mm	81
1979	33.6 °C12 October 1979	14.3 °C18 June 1979	22.0 °C	1,321 mm	64
1978	32.6 °C18 October 1978	12.3 °C5 February 1978	21.6 °C	1,632 mm	33
1977	34.1 °C15 October 1977	13.3 °C11 August 1977	21.7 °C	1,803 mm	41
1976	33.4 °C29 October 1976	13.5 °C22 August 1976	21.5 °C	1,581 mm	52
1975	32.1 °C7 November 1975	13.1 °C5 August 1975	21.3 °C	1,562 mm	21
1974	33.5 °C31 October 1974	14.3 °C21 August 1974	21.5 °C	1,435 mm	47
1973	32.9 °C25 October 1973	11.9 °C4 July 1973	21.9 °C	1,368 mm	44
1972	32.1 °C11 October 1972	14.1 °C18 March 1972	21.2 °C	1,826 mm	33
1971	32.0 °C16 October 1971	13.3 °C8 June 1971	21.2 °C	1,542 mm	31
1970	33.2 °C30 October 1970	12.5 °C11 July 1970	21.7 °C	1,458 mm	38
1969	33.8 °C2 October 1969	12.9 °C6 August 1969	21.9 °C	1,196 mm	61
1968	32.6 °C6 October 1968	13.6 °C3 August 1968	21.3 °C	1,581 mm	40
1967	32.1 °C19 January 1967	13.5 °C29 July 1967	21.5 °C	1,524 mm	37
1966	33.1 °C15 October 1966	13.8 °C16 September 1966	21.8 °C	1,374 mm	56
1965	34.4 °C11 October 1965	12.1 °C18 January 1965	21.9 °C	1,403 mm	64
1964	32.3 °C30 October 1964	12.5 °C12 August 1964	21.2 °C	1,616 mm	19
1963	33.9 °C22 October 1963	12.4 °C28 July 1963	21.1 °C	1,833 mm	43
1962	30.6 °C1 October 1962	13.4 °C29 July 1962	20.6 °C	1,765 mm	2
1961	32.2 °C17 January 1961	13.1 °C16 June 1961	21.7 °C	2,125 mm	31
1960	33.1 °C9 December 1960	13.6 °C26 July 1960	22.2 °C	1,421 mm	61
1959	31.5 °C29 September 1959	13.8 °C22 June 1959	21.7 °C	1,711 mm	22
1958	33.8 °C29 October 1958	14.0 °C24 July 1958	21.8 °C	1,556 mm	43
1957	33.2 °C8 October 1957	13.4 °C5 February 1957	21.7 °C	1,902 mm	49
1956	31.4 °C20 November 1956	13.7 °C15 July 1956	20.8 °C	1,382 mm	10
1955	30.4 °C25 November 1955	13.1 °C15 August 1955	20.8 °C	1,498 mm	3
1954	31.0 °C25 November 1954	12.1 °C13 June 1954	20.9 °C	1,375 mm	15
1953	31.2 °C10 September 1953	12.5 °C6 July 1953	20.8 °C	2,422 mm	13
1952	30.7 °C27 October 1952	13.9 °C17 June 1952	21.2 °C	1,543 mm	4
1951	32.0 °C5 September 1951	13.2 °C3 July 1951	21.0 °C	1,890 mm	14
1950	30.4 °C7 October 1950	12.1 °C3 June 1950	20.7 °C	1,461 mm	3
1949	32.2 °C31 October 1949	13.2 °C30 July 1949	21.1 °C	1,318 mm	19
1948	31.8 °C4 October 1948	13.1 °C12 June 1948	21.3 °C	1,485 mm	11
1947	33.7 °C6 October 1947	11.8 °C24 July 1947	21.5 °C	1,393 mm	66
1946	33.8 °C31 March 1946	14.1 °C25 June 1946	21.5 °C	1,195 mm	50
1945	33.7 °C6 October 1945	13.5 °C9 June 1945	21.7 °C	997 mm	60
1944	33.2 °C15 April 1944	12.9 °C6 July 1944	22.4 °C	961 mm	130
1943	33.6 °C13 January 1943	12.7 °C29 May 1943	22.2 °C	699 mm	94
1942	32.8 °C1 October 1942	14.3 °C20 January 1942	21.7 °C	827 mm	79
1941	32.3 °C25 September 1941	13.7 °C25 May 1941	21.4 °C	1,232 mm	28
1940	29.2 °C17 April 1940	13.5 °C20 August 1940	20.5 °C	1,532 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

28.6 °C

+0.8 °C

Hot days (≥ 30 °C)

92 d/yr

+31

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1119 mm

-232 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.5 °C	+0.6 °C	103 mm	-54 mm
Feb	30.3 °C	+2.7 °C	16 mm	-124 mm
Mar	28.9 °C	+1.2 °C	148 mm	-39 mm
Apr	27.8 °C	+0.9 °C	182 mm	-9 mm
May	27.6 °C	+0.7 °C	62 mm	-27 mm
Jun	28.5 °C	+0.9 °C	24 mm	-2 mm
Jul	28.8 °C	+0.6 °C	22 mm	+5 mm
Aug	28.4 °C	-0.4 °C	85 mm	+52 mm
Sep	29.8 °C	+0.5 °C	67 mm	+16 mm
Oct	28.1 °C	-1.0 °C	150 mm	+61 mm
Nov	29.1 °C	+1.8 °C	53 mm	-123 mm
Dec	28.2 °C	+1.5 °C	208 mm	+11 mm

The year's extremes

Hottest day

33.7 °C

6 Mar 2025

Coldest day

15.4 °C

27 Jul 2025

Wettest day

49.5 mm

28 Dec 2025

Windiest day

20.0 km/h

27 Feb 2025

Strongest gust

44.6 km/h

1 Oct 2025

Hottest feels-like

35.8 °C

1 Mar 2025

Coldest feels-like

13.8 °C

27 Jul 2025

Sunniest day

12.1 h

25 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 Nyamuswa?

Nyamuswa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 1,351 mm of precipitation per year.

What is the hottest day ever recorded in Nyamuswa?

The hottest day measured in Nyamuswa between 1940 and 2025 was 10 February 2006, reaching 35.4 °C.

What is the coldest day in Nyamuswa?

The coldest day measured in Nyamuswa between 1940 and 2025 was 24 July 1947, at 11.8 °C.

Does it snow in Nyamuswa?

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

Has the climate of Nyamuswa warmed?

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

What is the wettest day in Nyamuswa?

The wettest day measured in Nyamuswa between 1940 and 2025 was 29 April 1958, with 106 mm of rain in 24 hours.

What was the windiest day in Nyamuswa?

The windiest day measured in Nyamuswa between 1940 and 2025 was 18 February 1999, with winds reaching 22.6 km/h.

What is the warmest month in Nyamuswa?

The warmest month in Nyamuswa is September (23.1 °C on average); the coldest is December (21.4 °C).

How much does it rain in Nyamuswa?

Nyamuswa receives on average 1,351 mm of precipitation per year, spread over about 185 rainy days.

Is it sunny in Nyamuswa?

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

Are there tropical nights in Nyamuswa?

Yes: Nyamuswa has on average 14 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Nyamuswa?

In Nyamuswa, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 21 March 2016, and the lowest was 8.7 °C on 24 July 1947.

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