Mossendjo climate — normals and trends

Q: What is the climate of Mossendjo?

Mossendjo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.5 °C and it receives 1,798 mm of precipitation per year.

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

The hottest day measured in Mossendjo between 1940 and 2025 was 30 March 2019, reaching 35.3 °C.

Q: What is the coldest day in Mossendjo?

The coldest day measured in Mossendjo between 1940 and 2025 was 28 August 1950, at 10.0 °C.

Q: Does it snow in Mossendjo?

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

Q: Has the climate of Mossendjo warmed?

Yes: Mossendjo warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Mossendjo?

The wettest day measured in Mossendjo between 1940 and 2025 was 6 December 1987, with 213 mm of rain in 24 hours.

Q: What was the windiest day in Mossendjo?

The windiest day measured in Mossendjo between 1940 and 2025 was 21 December 1984, with winds reaching 16.8 km/h.

Q: What is the warmest month in Mossendjo?

The warmest month in Mossendjo is April (24.6 °C on average); the coldest is July (21.4 °C).

Q: How much does it rain in Mossendjo?

Mossendjo receives on average 1,798 mm of precipitation per year, spread over about 221 rainy days.

Q: Is it sunny in Mossendjo?

Mossendjo gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.

Mossendjo (Congo Republic) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.5 °C and it receives 1,798 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 April (24.6 °C on average) and the coldest is July (21.4 °C). Rainfall peaks in November.

Mossendjo averages 0 frost days, 76 hot days (≥ 30 °C) and 221 rainy days per year.

Mossendjo has warmed by +1.7 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.3 °C (on 30 March 2019) and the coldest 10.0 °C (on 28 August 1950).

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

MossendjoNiari Region

coords: -2.95°, 12.70°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthAprilColdest monthJulyWettest monthNovemberDriest monthJuly

Mean daily temperature

23.5°C

Average daily high

28.2°C

Average daily low

20.5°C

Annual rainfall

1,798mm

Sunshine / day

7.7h

Mean relative humidity

84%

Average peak wind

9.2km/h

Seasonal range

3.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

76 d/yr

Rainy days (≥ 1 mm)

221 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.2 °C

Average feels-like low

23.5 °C

Average peak gust

25.8 km/h

Tropical nights (≥ 20 °C)

265 d/yr

Solar radiation

15.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.81 · 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

35.3 °C

30 March 2019

Coldest day

10.0 °C

28 August 1950

Wettest day

213 mm

6 December 1987

Windiest day

16.8 km/h

21 December 1984

Strongest gust

49.7 km/h

17 May 1944

Hottest feels-like

42.2 °C

30 March 2019

Coldest feels-like

8.1 °C

17 July 1950

Sunniest day

12.0 h

21 September 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.6 °C8 February 2025	16.6 °C18 August 2025	24.3 °C	1,755 mm	146
2024	34.5 °C27 April 2024	17.1 °C2 August 2024	24.8 °C	2,000 mm	177
2023	34.4 °C3 February 2023	17.6 °C7 August 2023	24.5 °C	1,934 mm	162
2022	33.6 °C27 October 2022	16.6 °C7 August 2022	24.1 °C	1,954 mm	132
2021	33.2 °C7 November 2021	16.6 °C24 July 2021	24.5 °C	2,027 mm	154
2020	34.0 °C20 February 2020	17.7 °C24 July 2020	24.6 °C	1,990 mm	151
2019	35.3 °C30 March 2019	16.5 °C28 June 2019	24.6 °C	2,068 mm	166
2018	33.3 °C15 February 2018	16.6 °C26 July 2018	24.4 °C	1,954 mm	149
2017	33.9 °C16 March 2017	16.4 °C8 July 2017	24.3 °C	1,822 mm	124
2016	33.7 °C4 April 2016	16.1 °C28 July 2016	24.7 °C	1,830 mm	164
2015	34.1 °C11 February 2015	17.1 °C31 July 2015	24.3 °C	1,574 mm	131
2014	33.0 °C14 February 2014	16.2 °C7 July 2014	24.1 °C	1,644 mm	121
2013	34.0 °C8 March 2013	16.5 °C12 August 2013	24.1 °C	1,514 mm	148
2012	33.1 °C1 March 2012	14.9 °C27 July 2012	24.0 °C	1,927 mm	123
2011	33.9 °C13 April 2011	17.2 °C26 July 2011	24.1 °C	2,010 mm	132
2010	34.3 °C17 April 2010	16.9 °C28 July 2010	24.3 °C	1,827 mm	156
2009	33.5 °C18 May 2009	16.7 °C10 July 2009	23.9 °C	1,872 mm	120
2008	33.9 °C6 May 2008	15.0 °C5 July 2008	24.0 °C	1,781 mm	139
2007	34.0 °C13 February 2007	16.1 °C28 June 2007	24.0 °C	2,065 mm	142
2006	33.8 °C1 February 2006	16.3 °C5 August 2006	23.9 °C	1,776 mm	128
2005	34.6 °C28 February 2005	16.3 °C10 July 2005	24.0 °C	1,581 mm	142
2004	33.5 °C18 February 2004	17.2 °C26 July 2004	23.9 °C	1,976 mm	119
2003	32.9 °C4 February 2003	16.6 °C18 July 2003	24.1 °C	2,046 mm	126
2002	33.4 °C23 April 2002	17.2 °C30 June 2002	24.0 °C	2,058 mm	114
2001	32.2 °C3 March 2001	14.9 °C14 August 2001	23.3 °C	1,540 mm	70
2000	33.1 °C26 January 2000	15.7 °C15 July 2000	23.4 °C	2,186 mm	73
1999	33.2 °C14 February 1999	16.5 °C29 July 1999	23.7 °C	2,190 mm	80
1998	34.3 °C31 January 1998	18.2 °C26 July 1998	24.3 °C	2,126 mm	128
1997	33.0 °C10 April 1997	14.7 °C2 July 1997	23.6 °C	1,751 mm	66
1996	32.7 °C29 February 1996	13.9 °C16 July 1996	23.3 °C	1,967 mm	55
1995	32.8 °C31 March 1995	16.6 °C17 July 1995	23.7 °C	2,101 mm	79
1994	33.1 °C6 October 1994	16.6 °C6 July 1994	23.4 °C	1,962 mm	74
1993	32.3 °C1 March 1993	17.5 °C6 July 1993	23.5 °C	1,853 mm	74
1992	32.9 °C11 January 1992	15.0 °C25 July 1992	23.3 °C	1,696 mm	73
1991	32.4 °C25 March 1991	17.0 °C7 July 1991	23.5 °C	1,742 mm	62
1990	33.0 °C5 April 1990	15.8 °C28 June 1990	23.4 °C	1,805 mm	63
1989	31.9 °C14 June 1989	15.1 °C20 July 1989	23.4 °C	2,098 mm	63
1988	34.0 °C1 March 1988	15.4 °C18 July 1988	23.7 °C	1,961 mm	72
1987	34.0 °C6 May 1987	16.8 °C21 July 1987	23.9 °C	2,084 mm	96
1986	33.3 °C1 May 1986	15.7 °C27 June 1986	23.3 °C	1,874 mm	75
1985	32.2 °C5 March 1985	15.9 °C7 July 1985	23.3 °C	1,767 mm	61
1984	33.3 °C19 March 1984	16.9 °C15 July 1984	23.7 °C	2,075 mm	81
1983	33.4 °C11 January 1983	15.4 °C26 June 1983	23.4 °C	1,467 mm	78
1982	31.8 °C23 February 1982	15.0 °C1 August 1982	23.1 °C	1,587 mm	39
1981	31.8 °C21 February 1981	14.9 °C3 August 1981	23.1 °C	1,502 mm	43
1980	32.5 °C22 March 1980	16.4 °C28 June 1980	23.2 °C	1,821 mm	55
1979	32.7 °C19 April 1979	16.9 °C7 July 1979	23.3 °C	1,753 mm	50
1978	32.2 °C27 February 1978	14.2 °C28 July 1978	23.0 °C	1,297 mm	24
1977	32.1 °C14 January 1977	14.6 °C30 June 1977	23.2 °C	1,931 mm	39
1976	31.9 °C19 March 1976	13.3 °C9 July 1976	22.7 °C	1,749 mm	34
1975	31.8 °C4 May 1975	14.8 °C1 August 1975	23.0 °C	2,113 mm	38
1974	32.1 °C26 April 1974	14.7 °C3 July 1974	22.9 °C	1,900 mm	46
1973	32.6 °C19 March 1973	15.1 °C11 August 1973	23.6 °C	1,894 mm	84
1972	32.9 °C18 March 1972	14.8 °C1 July 1972	23.2 °C	1,698 mm	60
1971	32.7 °C9 May 1971	15.2 °C21 July 1971	23.2 °C	1,773 mm	49
1970	33.7 °C24 March 1970	15.5 °C1 July 1970	23.3 °C	1,897 mm	54
1969	34.1 °C2 May 1969	15.6 °C1 July 1969	23.3 °C	1,480 mm	57
1968	32.6 °C4 April 1968	14.3 °C20 June 1968	23.1 °C	1,694 mm	29
1967	31.4 °C10 April 1967	15.1 °C23 July 1967	22.9 °C	2,060 mm	24
1966	32.3 °C18 June 1966	14.6 °C30 August 1966	23.5 °C	1,951 mm	72
1965	32.1 °C10 May 1965	15.4 °C8 July 1965	23.2 °C	1,532 mm	48
1964	32.3 °C12 February 1964	14.7 °C29 July 1964	23.2 °C	1,416 mm	56
1963	32.1 °C19 February 1963	15.8 °C14 July 1963	23.5 °C	1,681 mm	56
1962	31.8 °C14 May 1962	15.8 °C17 June 1962	23.0 °C	1,540 mm	18
1961	31.6 °C15 January 1961	13.6 °C29 July 1961	22.8 °C	2,227 mm	23
1960	31.8 °C13 February 1960	15.7 °C16 July 1960	23.2 °C	2,102 mm	34
1959	32.5 °C22 January 1959	15.2 °C28 July 1959	23.3 °C	1,979 mm	46
1958	31.9 °C20 January 1958	12.6 °C27 June 1958	22.9 °C	1,092 mm	43
1957	32.1 °C5 September 1957	12.7 °C28 June 1957	23.0 °C	1,168 mm	30
1956	31.9 °C10 February 1956	12.9 °C22 July 1956	22.7 °C	1,226 mm	25
1955	32.4 °C14 March 1955	14.0 °C7 August 1955	22.8 °C	1,239 mm	35
1954	31.4 °C15 September 1954	12.1 °C10 July 1954	22.8 °C	1,758 mm	34
1953	31.7 °C3 April 1953	12.8 °C6 August 1953	22.8 °C	1,610 mm	33
1952	32.7 °C23 February 1952	13.7 °C11 July 1952	22.9 °C	1,991 mm	37
1951	32.6 °C30 April 1951	14.9 °C24 July 1951	23.0 °C	1,937 mm	35
1950	31.7 °C28 May 1950	10.0 °C28 August 1950	22.6 °C	1,878 mm	32
1949	32.1 °C27 November 1949	15.9 °C27 July 1949	23.1 °C	2,065 mm	41
1948	31.6 °C20 August 1948	14.2 °C21 July 1948	22.8 °C	2,883 mm	20
1947	31.8 °C12 September 1947	13.0 °C11 July 1947	23.0 °C	1,606 mm	50
1946	32.2 °C21 February 1946	13.6 °C8 July 1946	22.9 °C	1,402 mm	50
1945	31.7 °C2 September 1945	15.4 °C5 July 1945	22.9 °C	1,987 mm	36
1944	32.4 °C18 September 1944	12.8 °C1 August 1944	23.1 °C	1,734 mm	68
1943	31.4 °C28 February 1943	12.0 °C12 July 1943	22.5 °C	1,559 mm	22
1942	32.4 °C13 October 1942	12.4 °C16 July 1942	22.9 °C	1,279 mm	36
1941	30.9 °C19 January 1941	13.6 °C5 August 1941	22.8 °C	1,013 mm	21
1940	31.8 °C16 February 1940	13.7 °C5 August 1940	22.8 °C	1,354 mm	41

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

28.9 °C

+0.7 °C

Hot days (≥ 30 °C)

146 d/yr

+70

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1755 mm

-43 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.0 °C	+1.2 °C	268 mm	+17 mm
Feb	30.7 °C	+1.3 °C	221 mm	+21 mm
Mar	30.5 °C	+1.0 °C	179 mm	-15 mm
Apr	30.3 °C	+0.7 °C	152 mm	-49 mm
May	29.9 °C	+1.0 °C	189 mm	+42 mm
Jun	28.0 °C	+1.3 °C	22 mm	+9 mm
Jul	25.2 °C	-0.7 °C	5 mm	+1 mm
Aug	26.1 °C	-0.3 °C	5 mm	-3 mm
Sep	27.7 °C	+0.3 °C	20 mm	-20 mm
Oct	29.6 °C	+1.1 °C	128 mm	-39 mm
Nov	29.5 °C	+1.0 °C	348 mm	+61 mm
Dec	29.5 °C	+1.1 °C	218 mm	-68 mm

The year's extremes

Hottest day

34.6 °C

8 Feb 2025

Coldest day

16.6 °C

18 Aug 2025

Wettest day

38.5 mm

17 Nov 2025

Windiest day

14.1 km/h

13 Mar 2025

Strongest gust

37.1 km/h

27 Dec 2025

Hottest feels-like

39.8 °C

8 Feb 2025

Coldest feels-like

17.9 °C

18 Aug 2025

Sunniest day

12.0 h

8 Dec 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 Mossendjo?

Mossendjo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.5 °C and it receives 1,798 mm of precipitation per year.

What is the hottest day ever recorded in Mossendjo?

The hottest day measured in Mossendjo between 1940 and 2025 was 30 March 2019, reaching 35.3 °C.

What is the coldest day in Mossendjo?

The coldest day measured in Mossendjo between 1940 and 2025 was 28 August 1950, at 10.0 °C.

Does it snow in Mossendjo?

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

Has the climate of Mossendjo warmed?

Yes: Mossendjo warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Mossendjo?

The wettest day measured in Mossendjo between 1940 and 2025 was 6 December 1987, with 213 mm of rain in 24 hours.

What was the windiest day in Mossendjo?

The windiest day measured in Mossendjo between 1940 and 2025 was 21 December 1984, with winds reaching 16.8 km/h.

What is the warmest month in Mossendjo?

The warmest month in Mossendjo is April (24.6 °C on average); the coldest is July (21.4 °C).

How much does it rain in Mossendjo?

Mossendjo receives on average 1,798 mm of precipitation per year, spread over about 221 rainy days.

Is it sunny in Mossendjo?

Mossendjo gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.

Are there tropical nights in Mossendjo?

Yes: Mossendjo has on average 265 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Mossendjo?

In Mossendjo, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 30 March 2019, and the lowest was 8.1 °C on 17 July 1950.

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