Mwanza climate — normals and trends

Q: What is the climate of Mwanza?

Mwanza has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,362 mm of precipitation per year.

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

The hottest day measured in Mwanza between 1940 and 2025 was 1 December 1943, reaching 38.2 °C.

Q: What is the coldest day in Mwanza?

The coldest day measured in Mwanza between 1940 and 2025 was 26 July 1975, at 6.2 °C.

Q: Does it snow in Mwanza?

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

Q: Has the climate of Mwanza warmed?

Yes: Mwanza warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Mwanza?

The wettest day measured in Mwanza between 1940 and 2025 was 7 March 2019, with 167 mm of rain in 24 hours.

Q: What was the windiest day in Mwanza?

The windiest day measured in Mwanza between 1940 and 2025 was 6 March 2019, with winds reaching 37.7 km/h.

Q: What is the warmest month in Mwanza?

The warmest month in Mwanza is November (24.6 °C on average); the coldest is July (16.6 °C).

Q: How much does it rain in Mwanza?

Mwanza receives on average 1,362 mm of precipitation per year, spread over about 150 rainy days.

Q: Is it sunny in Mwanza?

Mwanza gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Mwanza (Malawi) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 21.2 °C and it receives 1,362 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 November (24.6 °C on average) and the coldest is July (16.6 °C). Rainfall peaks in January.

Mwanza averages 0 frost days, 57 hot days (≥ 30 °C) and 150 rainy days per year.

Mwanza has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The hottest day of the period reached 38.2 °C (on 1 December 1943) and the coldest 6.2 °C (on 26 July 1975).

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

MwanzaSouthern Region

coords: -15.60°, 34.52°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthNovemberColdest monthJulyWettest monthJanuaryDriest monthSeptember

Mean daily temperature

21.2°C

Average daily high

26.1°C

Average daily low

16.9°C

Annual rainfall

1,362mm

Sunshine / day

10.6h

Mean relative humidity

71%

Average peak wind

13.3km/h

Seasonal range

8.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

57 d/yr

Rainy days (≥ 1 mm)

150 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.9 °C

Average feels-like low

17.6 °C

Average peak gust

32.4 km/h

Tropical nights (≥ 20 °C)

82 d/yr

Solar radiation

19.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.25 · 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

38.2 °C

1 December 1943

Coldest day

6.2 °C

26 July 1975

Wettest day

167 mm

7 March 2019

Windiest day

37.7 km/h

6 March 2019

Strongest gust

88.2 km/h

24 January 2022

Hottest feels-like

40.6 °C

13 December 2023

Coldest feels-like

3.5 °C

15 June 1968

Sunniest day

12.9 h

30 November 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.6 °C27 October 2025	8.7 °C4 August 2025	21.6 °C	1,907 mm	48
2024	35.1 °C28 November 2024	8.5 °C8 July 2024	22.3 °C	1,125 mm	98
2023	37.0 °C14 October 2023	9.6 °C27 June 2023	22.4 °C	1,466 mm	83
2022	34.8 °C31 October 2022	9.6 °C29 July 2022	21.4 °C	1,837 mm	60
2021	37.0 °C9 November 2021	9.4 °C4 August 2021	21.8 °C	1,319 mm	85
2020	37.7 °C25 November 2020	6.5 °C10 August 2020	21.9 °C	1,243 mm	87
2019	38.0 °C29 October 2019	6.5 °C24 July 2019	21.8 °C	1,762 mm	71
2018	34.7 °C31 October 2018	10.1 °C7 June 2018	21.9 °C	1,299 mm	55
2017	38.0 °C17 October 2017	10.0 °C12 July 2017	21.7 °C	1,576 mm	46
2016	35.8 °C1 November 2016	7.8 °C10 July 2016	22.3 °C	1,083 mm	106
2015	37.2 °C2 November 2015	8.1 °C5 August 2015	22.0 °C	1,399 mm	75
2014	36.3 °C17 October 2014	9.2 °C3 August 2014	21.6 °C	1,332 mm	69
2013	35.9 °C1 November 2013	9.3 °C18 July 2013	21.3 °C	1,539 mm	57
2012	37.3 °C19 October 2012	6.3 °C20 July 2012	21.5 °C	1,289 mm	66
2011	37.3 °C26 October 2011	8.1 °C25 July 2011	21.7 °C	1,099 mm	74
2010	35.8 °C12 October 2010	7.2 °C16 August 2010	21.6 °C	1,334 mm	75
2009	34.5 °C18 December 2009	9.1 °C28 June 2009	21.3 °C	1,249 mm	58
2008	35.9 °C15 November 2008	8.1 °C30 June 2008	21.2 °C	1,148 mm	69
2007	35.0 °C24 September 2007	8.5 °C1 August 2007	21.2 °C	1,573 mm	43
2006	35.6 °C3 November 2006	8.5 °C7 August 2006	21.4 °C	1,221 mm	52
2005	35.3 °C17 November 2005	8.2 °C2 July 2005	21.8 °C	954 mm	78
2004	34.3 °C8 October 2004	8.8 °C19 July 2004	20.9 °C	1,487 mm	32
2003	34.7 °C6 November 2003	9.5 °C8 July 2003	21.0 °C	1,601 mm	51
2002	36.0 °C5 November 2002	9.3 °C26 June 2002	21.5 °C	1,139 mm	51
2001	35.2 °C5 November 2001	8.8 °C26 July 2001	21.4 °C	1,452 mm	70
2000	34.1 °C25 October 2000	8.9 °C19 July 2000	20.9 °C	1,553 mm	31
1999	33.3 °C23 October 1999	8.4 °C24 June 1999	20.8 °C	1,470 mm	45
1998	34.6 °C4 November 1998	9.4 °C13 June 1998	21.4 °C	1,218 mm	59
1997	34.9 °C12 November 1997	10.2 °C31 May 1997	21.0 °C	1,930 mm	38
1996	35.0 °C18 November 1996	8.1 °C3 July 1996	21.2 °C	1,496 mm	64
1995	37.0 °C26 October 1995	6.3 °C11 July 1995	21.8 °C	1,110 mm	78
1994	37.8 °C24 November 1994	8.2 °C31 May 1994	21.4 °C	993 mm	70
1993	34.1 °C4 November 1993	10.1 °C8 June 1993	21.6 °C	1,147 mm	60
1992	35.8 °C25 October 1992	8.3 °C15 August 1992	22.3 °C	771 mm	99
1991	34.1 °C31 October 1991	8.7 °C14 June 1991	21.1 °C	1,130 mm	45
1990	35.5 °C19 October 1990	8.2 °C4 July 1990	21.4 °C	1,066 mm	60
1989	34.6 °C3 October 1989	8.9 °C13 July 1989	20.8 °C	1,759 mm	45
1988	35.2 °C11 October 1988	9.2 °C17 July 1988	21.0 °C	1,377 mm	34
1987	35.1 °C20 November 1987	9.0 °C24 June 1987	21.8 °C	933 mm	73
1986	33.8 °C7 October 1986	9.3 °C27 June 1986	20.6 °C	1,510 mm	24
1985	34.0 °C4 November 1985	7.1 °C14 July 1985	20.5 °C	1,710 mm	23
1984	34.8 °C5 September 1984	10.1 °C4 August 1984	21.1 °C	1,302 mm	43
1983	36.1 °C12 November 1983	8.5 °C22 July 1983	21.9 °C	1,223 mm	72
1982	33.6 °C15 October 1982	7.9 °C13 July 1982	20.6 °C	1,634 mm	29
1981	34.4 °C8 November 1981	8.5 °C3 July 1981	20.5 °C	1,568 mm	49
1980	34.3 °C13 November 1980	8.8 °C24 June 1980	20.9 °C	1,107 mm	59
1979	34.0 °C1 October 1979	9.5 °C14 June 1979	20.9 °C	1,179 mm	56
1978	34.4 °C29 September 1978	6.7 °C15 June 1978	20.9 °C	1,844 mm	42
1977	35.7 °C22 October 1977	7.1 °C5 July 1977	21.2 °C	1,269 mm	48
1976	36.2 °C25 November 1976	7.9 °C19 July 1976	20.4 °C	1,538 mm	42
1975	33.6 °C4 November 1975	6.2 °C26 July 1975	20.5 °C	1,121 mm	36
1974	34.1 °C12 November 1974	8.7 °C16 June 1974	20.3 °C	1,963 mm	37
1973	34.9 °C15 September 1973	8.0 °C16 July 1973	20.7 °C	1,271 mm	56
1972	34.4 °C23 November 1972	8.6 °C28 July 1972	20.8 °C	1,309 mm	45
1971	34.0 °C16 October 1971	7.5 °C31 May 1971	20.9 °C	1,132 mm	34
1970	33.3 °C30 September 1970	8.7 °C7 July 1970	21.1 °C	1,114 mm	49
1969	35.3 °C27 November 1969	8.4 °C24 July 1969	21.3 °C	1,252 mm	53
1968	35.3 °C3 October 1968	6.4 °C15 June 1968	20.9 °C	1,235 mm	47
1967	34.3 °C8 October 1967	6.9 °C19 July 1967	20.4 °C	1,261 mm	35
1966	33.2 °C27 September 1966	8.2 °C22 August 1966	21.1 °C	1,135 mm	49
1965	32.8 °C4 November 1965	6.9 °C6 July 1965	20.0 °C	1,120 mm	36
1964	34.8 °C10 November 1964	6.7 °C29 July 1964	20.5 °C	1,175 mm	47
1963	33.4 °C24 September 1963	7.3 °C6 June 1963	20.5 °C	1,642 mm	28
1962	34.9 °C10 October 1962	8.9 °C26 June 1962	21.1 °C	1,341 mm	50
1961	35.5 °C29 October 1961	9.7 °C12 July 1961	21.0 °C	1,379 mm	31
1960	34.2 °C14 October 1960	8.9 °C7 July 1960	21.1 °C	976 mm	62
1959	34.5 °C1 November 1959	10.3 °C15 August 1959	20.8 °C	1,396 mm	35
1958	35.0 °C17 October 1958	8.2 °C19 July 1958	21.1 °C	1,718 mm	58
1957	36.8 °C12 November 1957	8.7 °C25 June 1957	21.2 °C	1,544 mm	81
1956	35.5 °C2 November 1956	7.1 °C24 July 1956	20.9 °C	1,553 mm	48
1955	35.3 °C21 October 1955	7.6 °C12 August 1955	20.4 °C	1,619 mm	48
1954	36.4 °C27 October 1954	9.2 °C18 August 1954	21.3 °C	877 mm	62
1953	35.2 °C8 November 1953	7.4 °C3 August 1953	20.6 °C	1,928 mm	44
1952	36.1 °C3 November 1952	9.4 °C3 July 1952	21.2 °C	1,527 mm	63
1951	36.6 °C29 October 1951	8.4 °C24 July 1951	22.0 °C	729 mm	98
1950	36.2 °C24 October 1950	8.0 °C19 August 1950	20.6 °C	1,605 mm	43
1949	36.5 °C3 November 1949	8.3 °C22 June 1949	21.4 °C	1,357 mm	94
1948	35.8 °C11 November 1948	8.7 °C10 July 1948	21.0 °C	2,108 mm	57
1947	36.0 °C27 October 1947	8.3 °C6 July 1947	21.1 °C	1,651 mm	64
1946	36.3 °C24 October 1946	7.5 °C10 July 1946	20.6 °C	1,550 mm	43
1945	34.8 °C20 October 1945	9.0 °C20 June 1945	20.8 °C	1,555 mm	57
1944	34.7 °C17 October 1944	9.0 °C2 June 1944	20.9 °C	1,383 mm	64
1943	38.2 °C1 December 1943	8.5 °C28 June 1943	21.1 °C	1,322 mm	76
1942	36.7 °C8 November 1942	9.2 °C3 August 1942	21.6 °C	1,090 mm	64
1941	36.8 °C24 September 1941	8.8 °C29 July 1941	22.0 °C	766 mm	94
1940	34.9 °C10 November 1940	9.1 °C21 July 1940	21.1 °C	1,191 mm	53

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

26.2 °C

+0.1 °C

Hot days (≥ 30 °C)

48 d/yr

-9

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1907 mm

+545 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.0 °C	+1.2 °C	439 mm	+128 mm
Feb	27.9 °C	+1.2 °C	286 mm	+30 mm
Mar	26.8 °C	+0.5 °C	248 mm	+53 mm
Apr	26.1 °C	+0.7 °C	119 mm	+43 mm
May	22.8 °C	-1.3 °C	151 mm	+118 mm
Jun	22.8 °C	+0.6 °C	30 mm	+2 mm
Jul	21.2 °C	-0.7 °C	40 mm	+12 mm
Aug	25.0 °C	+0.5 °C	6 mm	-9 mm
Sep	29.4 °C	+1.4 °C	7 mm	-7 mm
Oct	29.8 °C	-0.3 °C	18 mm	-18 mm
Nov	28.0 °C	-1.8 °C	180 mm	+76 mm
Dec	26.5 °C	-1.4 °C	383 mm	+116 mm

The year's extremes

Hottest day

35.6 °C

27 Oct 2025

Coldest day

8.7 °C

4 Aug 2025

Wettest day

121.0 mm

11 Mar 2025

Windiest day

36.4 km/h

11 Mar 2025

Strongest gust

84.2 km/h

11 Mar 2025

Hottest feels-like

38.3 °C

15 Jan 2025

Coldest feels-like

7.4 °C

2 Aug 2025

Sunniest day

12.9 h

30 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 Mwanza?

Mwanza has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,362 mm of precipitation per year.

What is the hottest day ever recorded in Mwanza?

The hottest day measured in Mwanza between 1940 and 2025 was 1 December 1943, reaching 38.2 °C.

What is the coldest day in Mwanza?

The coldest day measured in Mwanza between 1940 and 2025 was 26 July 1975, at 6.2 °C.

Does it snow in Mwanza?

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

Has the climate of Mwanza warmed?

Yes: Mwanza warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Mwanza?

The wettest day measured in Mwanza between 1940 and 2025 was 7 March 2019, with 167 mm of rain in 24 hours.

What was the windiest day in Mwanza?

The windiest day measured in Mwanza between 1940 and 2025 was 6 March 2019, with winds reaching 37.7 km/h.

What is the warmest month in Mwanza?

The warmest month in Mwanza is November (24.6 °C on average); the coldest is July (16.6 °C).

How much does it rain in Mwanza?

Mwanza receives on average 1,362 mm of precipitation per year, spread over about 150 rainy days.

Is it sunny in Mwanza?

Mwanza gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.

Are there tropical nights in Mwanza?

Yes: Mwanza has on average 82 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mwanza?

In Mwanza, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 13 December 2023, and the lowest was 3.5 °C on 15 June 1968.

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