Ntoum climate — normals and trends

Q: What is the climate of Ntoum?

Ntoum has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 2,689 mm of precipitation per year.

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

The hottest day measured in Ntoum between 1940 and 2025 was 27 March 2024, reaching 34.1 °C.

Q: What is the coldest day in Ntoum?

The coldest day measured in Ntoum between 1940 and 2025 was 29 August 1950, at 15.5 °C.

Q: Does it snow in Ntoum?

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

Q: Has the climate of Ntoum warmed?

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

Q: What is the wettest day in Ntoum?

The wettest day measured in Ntoum between 1940 and 2025 was 21 November 2019, with 215 mm of rain in 24 hours.

Q: What was the windiest day in Ntoum?

The windiest day measured in Ntoum between 1940 and 2025 was 15 July 1950, with winds reaching 22.5 km/h.

Q: What is the warmest month in Ntoum?

The warmest month in Ntoum is April (26.1 °C on average); the coldest is July (23.8 °C).

Q: How much does it rain in Ntoum?

Ntoum receives on average 2,689 mm of precipitation per year, spread over about 283 rainy days.

Q: Is it sunny in Ntoum?

Ntoum gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.

Ntoum (Gabon) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.1 °C and it receives 2,689 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 (26.1 °C on average) and the coldest is July (23.8 °C). Rainfall peaks in November.

Ntoum averages 0 frost days, 58 hot days (≥ 30 °C) and 283 rainy days per year.

Ntoum has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.1 °C (on 27 March 2024) and the coldest 15.5 °C (on 29 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

NtoumEstuaire

coords: 0.39°, 9.76°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthAprilColdest monthJulyWettest monthNovemberDriest monthJuly

Mean daily temperature

25.1°C

Average daily high

28.4°C

Average daily low

23.0°C

Annual rainfall

2,689mm

Sunshine / day

7.9h

Mean relative humidity

87%

Average peak wind

10.6km/h

Seasonal range

2.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

58 d/yr

Rainy days (≥ 1 mm)

283 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.8 °C

Average feels-like low

27.0 °C

Average peak gust

23.7 km/h

Tropical nights (≥ 20 °C)

359 d/yr

Solar radiation

14.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.83 · 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

34.1 °C

27 March 2024

Coldest day

15.5 °C

29 August 1950

Wettest day

215 mm

21 November 2019

Windiest day

22.5 km/h

15 July 1950

Strongest gust

48.6 km/h

16 July 1950

Hottest feels-like

42.9 °C

27 March 2024

Coldest feels-like

13.5 °C

29 August 1950

Sunniest day

11.9 h

8 November 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.1 °C22 April 2025	19.5 °C12 August 2025	26.0 °C	2,343 mm	131
2024	34.1 °C27 March 2024	20.9 °C2 August 2024	26.5 °C	2,483 mm	162
2023	32.3 °C23 April 2023	21.6 °C25 June 2023	26.2 °C	2,770 mm	138
2022	32.5 °C3 May 2022	20.5 °C16 August 2022	25.9 °C	2,635 mm	111
2021	32.0 °C10 April 2021	22.0 °C17 July 2021	26.1 °C	3,010 mm	113
2020	33.0 °C27 March 2020	21.9 °C28 June 2020	26.2 °C	3,092 mm	136
2019	32.4 °C27 March 2019	21.5 °C11 August 2019	26.2 °C	3,219 mm	123
2018	31.9 °C22 February 2018	21.7 °C22 June 2018	26.0 °C	2,720 mm	119
2017	32.8 °C13 March 2017	21.1 °C11 July 2017	26.1 °C	2,620 mm	127
2016	32.4 °C27 March 2016	20.6 °C28 July 2016	26.2 °C	2,458 mm	129
2015	31.7 °C17 March 2015	20.6 °C1 August 2015	25.7 °C	2,451 mm	92
2014	32.2 °C12 March 2014	20.3 °C26 July 2014	25.6 °C	2,722 mm	85
2013	32.2 °C13 March 2013	20.2 °C18 August 2013	25.6 °C	2,537 mm	105
2012	32.3 °C24 March 2012	19.9 °C26 July 2012	25.6 °C	2,948 mm	89
2011	32.5 °C5 March 2011	19.3 °C26 July 2011	25.6 °C	2,340 mm	93
2010	32.4 °C29 March 2010	20.2 °C17 July 2010	25.8 °C	2,211 mm	109
2009	32.1 °C11 April 2009	20.9 °C12 July 2009	25.6 °C	2,585 mm	97
2008	32.1 °C27 March 2008	19.6 °C5 July 2008	25.5 °C	2,547 mm	88
2007	33.0 °C28 March 2007	20.0 °C28 June 2007	25.5 °C	2,901 mm	101
2006	32.6 °C3 April 2006	20.4 °C25 July 2006	25.5 °C	2,581 mm	96
2005	32.6 °C24 February 2005	20.2 °C18 August 2005	25.5 °C	2,029 mm	98
2004	32.7 °C25 March 2004	19.7 °C28 July 2004	25.5 °C	2,553 mm	95
2003	31.9 °C4 February 2003	20.9 °C21 August 2003	25.6 °C	3,002 mm	112
2002	32.9 °C13 April 2002	20.7 °C19 July 2002	25.4 °C	2,919 mm	83
2001	31.9 °C1 April 2001	19.2 °C22 July 2001	25.1 °C	2,383 mm	86
2000	32.1 °C8 March 2000	21.1 °C4 August 2000	25.1 °C	3,007 mm	58
1999	32.4 °C15 February 1999	20.4 °C31 July 1999	25.2 °C	3,066 mm	60
1998	32.8 °C22 February 1998	21.7 °C15 July 1998	25.9 °C	2,831 mm	117
1997	31.9 °C10 April 1997	18.9 °C3 July 1997	25.2 °C	2,786 mm	46
1996	31.4 °C23 April 1996	18.6 °C16 July 1996	25.1 °C	2,800 mm	37
1995	32.2 °C15 March 1995	20.1 °C16 July 1995	25.4 °C	2,548 mm	81
1994	31.9 °C20 March 1994	20.8 °C22 July 1994	25.2 °C	2,663 mm	63
1993	31.9 °C25 February 1993	21.0 °C17 June 1993	25.2 °C	2,506 mm	60
1992	32.3 °C5 March 1992	19.6 °C25 July 1992	24.9 °C	2,466 mm	41
1991	31.3 °C30 March 1991	20.7 °C15 July 1991	25.1 °C	2,420 mm	34
1990	31.9 °C19 March 1990	20.1 °C28 June 1990	25.1 °C	2,529 mm	58
1989	31.5 °C24 April 1989	18.3 °C21 July 1989	25.0 °C	2,717 mm	42
1988	32.5 °C4 April 1988	19.4 °C31 July 1988	25.3 °C	3,309 mm	66
1987	32.1 °C3 March 1987	21.3 °C1 July 1987	25.5 °C	2,681 mm	79
1986	32.2 °C10 February 1986	19.4 °C28 July 1986	24.9 °C	2,710 mm	52
1985	31.4 °C18 May 1985	19.7 °C21 July 1985	24.9 °C	2,712 mm	54
1984	31.7 °C19 March 1984	20.8 °C3 September 1984	25.1 °C	3,100 mm	49
1983	32.3 °C19 March 1983	20.0 °C19 August 1983	25.1 °C	2,362 mm	83
1982	31.7 °C28 March 1982	19.8 °C3 August 1982	24.9 °C	2,583 mm	39
1981	31.9 °C24 February 1981	19.7 °C5 August 1981	25.0 °C	2,687 mm	60
1980	31.9 °C8 March 1980	19.8 °C6 July 1980	24.9 °C	2,819 mm	54
1979	32.4 °C25 April 1979	20.0 °C7 July 1979	25.0 °C	2,578 mm	51
1978	31.6 °C21 March 1978	18.7 °C4 July 1978	24.8 °C	2,575 mm	33
1977	31.7 °C18 April 1977	19.7 °C1 July 1977	24.9 °C	3,165 mm	40
1976	31.1 °C4 April 1976	17.9 °C9 July 1976	24.4 °C	2,949 mm	22
1975	31.0 °C9 April 1975	17.7 °C27 July 1975	24.5 °C	3,061 mm	20
1974	31.6 °C27 April 1974	17.9 °C3 July 1974	24.5 °C	3,130 mm	32
1973	31.9 °C18 March 1973	19.6 °C12 August 1973	25.1 °C	3,001 mm	67
1972	30.8 °C7 March 1972	19.3 °C24 June 1972	24.8 °C	2,717 mm	34
1971	31.8 °C17 March 1971	18.5 °C21 July 1971	24.7 °C	2,792 mm	31
1970	31.5 °C26 April 1970	19.8 °C27 July 1970	25.0 °C	2,947 mm	51
1969	31.6 °C25 April 1969	19.0 °C2 July 1969	25.0 °C	2,330 mm	58
1968	30.9 °C15 April 1968	19.8 °C28 July 1968	24.8 °C	3,154 mm	20
1967	31.4 °C1 March 1967	19.7 °C23 July 1967	24.7 °C	3,483 mm	28
1966	31.4 °C18 March 1966	20.1 °C31 August 1966	24.9 °C	2,981 mm	45
1965	31.0 °C7 April 1965	19.8 °C8 July 1965	24.7 °C	2,758 mm	22
1964	31.6 °C25 April 1964	18.9 °C17 August 1964	24.7 °C	2,657 mm	52
1963	31.2 °C29 March 1963	20.3 °C19 August 1963	25.0 °C	3,026 mm	28
1962	31.0 °C6 March 1962	18.9 °C25 July 1962	24.6 °C	2,765 mm	14
1961	30.5 °C21 March 1961	18.1 °C30 July 1961	24.5 °C	3,042 mm	20
1960	30.7 °C13 February 1960	19.3 °C16 July 1960	24.7 °C	3,139 mm	11
1959	31.0 °C12 March 1959	19.7 °C28 July 1959	24.9 °C	2,344 mm	29
1958	30.8 °C24 January 1958	17.1 °C20 July 1958	24.6 °C	2,221 mm	32
1957	30.0 °C15 March 1957	18.8 °C28 July 1957	24.5 °C	1,987 mm	2
1956	30.5 °C7 May 1956	18.0 °C15 August 1956	24.3 °C	2,447 mm	10
1955	30.9 °C23 April 1955	17.9 °C14 August 1955	24.5 °C	2,518 mm	6
1954	30.7 °C2 March 1954	16.0 °C1 August 1954	24.3 °C	2,600 mm	11
1953	30.8 °C1 April 1953	17.6 °C9 August 1953	24.6 °C	2,458 mm	5
1952	31.5 °C22 March 1952	18.9 °C23 July 1952	24.7 °C	2,890 mm	42
1951	31.4 °C22 April 1951	19.3 °C19 July 1951	24.8 °C	2,737 mm	43
1950	31.3 °C14 March 1950	15.5 °C29 August 1950	24.5 °C	2,656 mm	38
1949	30.7 °C16 February 1949	20.5 °C27 June 1949	24.8 °C	2,449 mm	27
1948	30.4 °C29 March 1948	19.4 °C21 July 1948	24.4 °C	3,247 mm	12
1947	30.6 °C16 March 1947	18.3 °C8 September 1947	24.6 °C	2,548 mm	20
1946	31.4 °C25 April 1946	18.0 °C8 July 1946	24.5 °C	2,295 mm	29
1945	31.1 °C26 March 1945	18.4 °C9 July 1945	24.5 °C	2,582 mm	17
1944	30.7 °C28 February 1944	18.6 °C5 August 1944	24.6 °C	2,050 mm	28
1943	30.4 °C4 March 1943	17.2 °C12 July 1943	24.2 °C	2,449 mm	2
1942	30.6 °C14 April 1942	16.8 °C17 July 1942	24.4 °C	2,687 mm	17
1941	30.5 °C7 March 1941	19.3 °C31 August 1941	24.6 °C	2,083 mm	8
1940	30.8 °C27 March 1940	18.3 °C1 August 1940	24.5 °C	2,420 mm	12

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

29.2 °C

+0.8 °C

Hot days (≥ 30 °C)

131 d/yr

+73

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2343 mm

-346 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	29.9 °C	+1.0 °C	214 mm	-57 mm
Feb	30.5 °C	+1.1 °C	139 mm	-114 mm
Mar	30.6 °C	+0.9 °C	306 mm	-1 mm
Apr	30.3 °C	+0.5 °C	203 mm	-79 mm
May	30.0 °C	+0.8 °C	235 mm	-3 mm
Jun	28.9 °C	+1.4 °C	114 mm	+45 mm
Jul	27.1 °C	+0.4 °C	20 mm	-4 mm
Aug	27.3 °C	+0.4 °C	17 mm	-19 mm
Sep	28.4 °C	+0.8 °C	177 mm	+30 mm
Oct	28.5 °C	+0.4 °C	269 mm	-76 mm
Nov	29.0 °C	+0.6 °C	388 mm	-4 mm
Dec	29.5 °C	+0.9 °C	262 mm	-64 mm

The year's extremes

Hottest day

32.1 °C

22 Apr 2025

Coldest day

19.5 °C

12 Aug 2025

Wettest day

66.6 mm

30 Sep 2025

Windiest day

16.4 km/h

13 Mar 2025

Strongest gust

33.5 km/h

13 Aug 2025

Hottest feels-like

40.6 °C

16 Mar 2025

Coldest feels-like

21.3 °C

12 Aug 2025

Sunniest day

11.9 h

8 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 Ntoum?

Ntoum has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 2,689 mm of precipitation per year.

What is the hottest day ever recorded in Ntoum?

The hottest day measured in Ntoum between 1940 and 2025 was 27 March 2024, reaching 34.1 °C.

What is the coldest day in Ntoum?

The coldest day measured in Ntoum between 1940 and 2025 was 29 August 1950, at 15.5 °C.

Does it snow in Ntoum?

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

Has the climate of Ntoum warmed?

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

What is the wettest day in Ntoum?

The wettest day measured in Ntoum between 1940 and 2025 was 21 November 2019, with 215 mm of rain in 24 hours.

What was the windiest day in Ntoum?

The windiest day measured in Ntoum between 1940 and 2025 was 15 July 1950, with winds reaching 22.5 km/h.

What is the warmest month in Ntoum?

The warmest month in Ntoum is April (26.1 °C on average); the coldest is July (23.8 °C).

How much does it rain in Ntoum?

Ntoum receives on average 2,689 mm of precipitation per year, spread over about 283 rainy days.

Is it sunny in Ntoum?

Ntoum gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.

Are there tropical nights in Ntoum?

Yes: Ntoum has on average 359 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ntoum?

In Ntoum, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 27 March 2024, and the lowest was 13.5 °C on 29 August 1950.

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