Bitam climate — normals and trends

Q: What is the climate of Bitam?

Bitam has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 23.3 °C and it receives 1,627 mm of precipitation per year.

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

The hottest day measured in Bitam between 1940 and 2025 was 10 April 1988, reaching 34.5 °C.

Q: What is the coldest day in Bitam?

The coldest day measured in Bitam between 1940 and 2025 was 2 August 1954, at 13.2 °C.

Q: Does it snow in Bitam?

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

Q: Has the climate of Bitam warmed?

Yes: Bitam warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bitam?

The wettest day measured in Bitam between 1940 and 2025 was 23 January 1976, with 174 mm of rain in 24 hours.

Q: What was the windiest day in Bitam?

The windiest day measured in Bitam between 1940 and 2025 was 16 July 1950, with winds reaching 18.1 km/h.

Q: What is the warmest month in Bitam?

The warmest month in Bitam is February (24.1 °C on average); the coldest is July (22.5 °C).

Q: How much does it rain in Bitam?

Bitam receives on average 1,627 mm of precipitation per year, spread over about 261 rainy days.

Q: Is it sunny in Bitam?

Bitam gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Bitam (Gabon) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 23.3 °C and it receives 1,627 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 February (24.1 °C on average) and the coldest is July (22.5 °C). Rainfall peaks in October.

Bitam averages 0 frost days, 70 hot days (≥ 30 °C) and 261 rainy days per year.

Bitam has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 34.5 °C (on 10 April 1988) and the coldest 13.2 °C (on 2 August 1954).

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

BitamWoleu-Ntem Province

coords: 2.08°, 11.50°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthFebruaryColdest monthJulyWettest monthOctoberDriest monthJanuary

Mean daily temperature

23.3°C

Average daily high

28.4°C

Average daily low

20.3°C

Annual rainfall

1,627mm

Sunshine / day

8.5h

Mean relative humidity

84%

Average peak wind

9.5km/h

Seasonal range

1.6°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

70 d/yr

Rainy days (≥ 1 mm)

261 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.5 °C

Average feels-like low

23.1 °C

Average peak gust

25.5 km/h

Tropical nights (≥ 20 °C)

242 d/yr

Solar radiation

16.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.79 · 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

34.5 °C

10 April 1988

Coldest day

13.2 °C

2 August 1954

Wettest day

174 mm

23 January 1976

Windiest day

18.1 km/h

16 July 1950

Strongest gust

51.1 km/h

5 December 1985

Hottest feels-like

41.7 °C

10 March 2024

Coldest feels-like

12.8 °C

2 August 1954

Sunniest day

11.9 h

17 November 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.9 °C17 January 2025	18.8 °C14 August 2025	24.5 °C	1,468 mm	155
2024	34.4 °C27 March 2024	19.2 °C21 July 2024	25.0 °C	1,335 mm	189
2023	33.6 °C27 February 2023	19.0 °C31 January 2023	24.6 °C	1,824 mm	170
2022	33.0 °C24 March 2022	18.7 °C6 March 2022	24.3 °C	1,661 mm	129
2021	33.3 °C5 March 2021	18.7 °C21 March 2021	24.5 °C	1,763 mm	173
2020	33.8 °C9 March 2020	19.2 °C25 January 2020	24.7 °C	1,667 mm	165
2019	34.0 °C3 April 2019	18.8 °C5 November 2019	24.5 °C	1,814 mm	164
2018	33.5 °C5 February 2018	18.8 °C22 August 2018	24.4 °C	1,758 mm	169
2017	33.7 °C8 April 2017	19.2 °C8 March 2017	24.5 °C	1,773 mm	160
2016	33.9 °C8 March 2016	18.1 °C31 January 2016	24.5 °C	1,797 mm	159
2015	33.9 °C12 March 2015	17.6 °C13 January 2015	24.2 °C	1,422 mm	143
2014	32.4 °C1 April 2014	18.3 °C17 May 2014	24.1 °C	1,728 mm	140
2013	33.4 °C7 March 2013	17.3 °C17 December 2013	24.0 °C	1,411 mm	127
2012	33.2 °C8 April 2012	18.8 °C15 January 2012	23.9 °C	1,547 mm	140
2011	33.3 °C17 April 2011	17.5 °C18 January 2011	23.9 °C	1,577 mm	132
2010	33.2 °C5 February 2010	19.3 °C14 February 2010	24.2 °C	1,512 mm	150
2009	33.6 °C26 March 2009	18.8 °C20 October 2009	24.0 °C	1,425 mm	127
2008	33.3 °C21 April 2008	17.5 °C28 December 2008	23.7 °C	1,659 mm	118
2007	34.0 °C29 March 2007	17.5 °C3 January 2007	23.8 °C	1,669 mm	141
2006	32.5 °C21 January 2006	17.8 °C18 May 2006	23.7 °C	1,431 mm	107
2005	33.9 °C23 February 2005	14.6 °C11 January 2005	23.8 °C	1,360 mm	128
2004	33.0 °C25 April 2004	18.4 °C4 June 2004	23.7 °C	1,625 mm	114
2003	32.6 °C25 April 2003	18.6 °C4 July 2003	23.7 °C	1,691 mm	118
2002	33.8 °C23 February 2002	18.8 °C23 July 2002	23.6 °C	1,491 mm	103
2001	33.1 °C11 May 2001	17.6 °C23 July 2001	23.3 °C	1,393 mm	75
2000	32.7 °C10 March 2000	18.3 °C17 December 2000	23.2 °C	1,570 mm	71
1999	33.7 °C31 March 1999	18.4 °C20 June 1999	23.2 °C	2,176 mm	64
1998	33.4 °C12 March 1998	17.1 °C7 January 1998	24.1 °C	1,502 mm	120
1997	32.8 °C10 April 1997	18.0 °C4 July 1997	23.5 °C	1,607 mm	65
1996	31.4 °C1 March 1996	17.5 °C20 July 1996	23.2 °C	1,751 mm	54
1995	33.1 °C17 April 1995	18.1 °C19 January 1995	23.5 °C	1,752 mm	80
1994	33.1 °C22 April 1994	18.8 °C3 January 1994	23.4 °C	1,700 mm	78
1993	33.2 °C5 April 1993	17.5 °C10 March 1993	23.3 °C	1,802 mm	64
1992	32.7 °C8 March 1992	16.3 °C6 January 1992	23.1 °C	1,446 mm	58
1991	32.1 °C19 April 1991	18.9 °C20 August 1991	23.2 °C	1,568 mm	48
1990	32.3 °C30 March 1990	17.4 °C1 August 1990	23.3 °C	1,667 mm	60
1989	32.8 °C2 March 1989	17.4 °C14 February 1989	23.1 °C	1,449 mm	58
1988	34.5 °C10 April 1988	17.5 °C1 August 1988	23.3 °C	1,811 mm	82
1987	32.9 °C21 March 1987	18.4 °C1 January 1987	23.7 °C	1,689 mm	81
1986	33.1 °C10 April 1986	17.4 °C22 December 1986	23.0 °C	1,582 mm	56
1985	31.8 °C12 March 1985	17.6 °C17 January 1985	22.9 °C	1,832 mm	42
1984	32.5 °C21 March 1984	16.2 °C16 December 1984	23.1 °C	1,646 mm	62
1983	33.3 °C27 April 1983	17.0 °C8 January 1983	23.4 °C	1,374 mm	106
1982	32.5 °C5 April 1982	16.9 °C11 February 1982	23.0 °C	1,718 mm	52
1981	32.6 °C27 February 1981	17.0 °C5 August 1981	23.1 °C	1,593 mm	57
1980	33.2 °C21 March 1980	18.4 °C4 August 1980	23.1 °C	1,808 mm	59
1979	32.0 °C18 April 1979	17.5 °C7 July 1979	23.0 °C	1,688 mm	40
1978	31.7 °C24 January 1978	16.7 °C3 July 1978	23.0 °C	1,688 mm	44
1977	33.3 °C14 February 1977	18.4 °C10 June 1977	23.0 °C	1,766 mm	39
1976	31.8 °C6 March 1976	17.5 °C10 July 1976	22.6 °C	1,958 mm	22
1975	31.6 °C9 April 1975	17.1 °C25 July 1975	22.6 °C	1,773 mm	21
1974	33.2 °C27 April 1974	16.0 °C7 July 1974	22.5 °C	1,983 mm	21
1973	32.9 °C29 April 1973	17.4 °C14 January 1973	23.1 °C	2,153 mm	48
1972	32.4 °C20 December 1972	16.7 °C27 June 1972	22.9 °C	1,718 mm	37
1971	32.0 °C17 March 1971	16.1 °C21 July 1971	22.7 °C	1,908 mm	40
1970	32.6 °C23 April 1970	17.9 °C1 July 1970	23.0 °C	1,946 mm	53
1969	32.4 °C2 May 1969	17.7 °C30 January 1969	23.0 °C	1,711 mm	47
1968	32.6 °C12 April 1968	17.7 °C1 February 1968	22.7 °C	1,842 mm	17
1967	32.4 °C11 May 1967	16.5 °C23 July 1967	22.7 °C	2,149 mm	31
1966	31.8 °C3 April 1966	18.7 °C8 June 1966	23.1 °C	1,586 mm	34
1965	31.8 °C11 May 1965	18.5 °C7 January 1965	22.8 °C	1,393 mm	17
1964	31.3 °C16 February 1964	17.4 °C2 August 1964	22.9 °C	1,162 mm	45
1963	30.7 °C6 February 1963	18.7 °C3 January 1963	23.0 °C	1,646 mm	17
1962	31.8 °C9 February 1962	18.0 °C21 June 1962	22.8 °C	1,642 mm	25
1961	31.2 °C9 March 1961	17.3 °C7 August 1961	22.7 °C	1,666 mm	16
1960	31.4 °C29 January 1960	18.3 °C17 July 1960	22.9 °C	1,697 mm	30
1959	31.6 °C18 February 1959	17.9 °C29 July 1959	23.1 °C	1,285 mm	35
1958	31.7 °C28 December 1958	16.7 °C27 July 1958	23.0 °C	1,358 mm	31
1957	31.4 °C16 January 1957	16.6 °C27 July 1957	22.8 °C	1,287 mm	11
1956	31.5 °C22 August 1956	16.4 °C6 August 1956	22.5 °C	1,608 mm	12
1955	31.6 °C24 April 1955	16.5 °C14 August 1955	22.6 °C	1,461 mm	9
1954	30.5 °C10 April 1954	13.2 °C2 August 1954	22.5 °C	1,581 mm	15
1953	31.2 °C21 February 1953	16.6 °C5 August 1953	22.7 °C	1,746 mm	8
1952	32.5 °C2 February 1952	17.5 °C26 August 1952	22.8 °C	1,947 mm	39
1951	32.6 °C22 April 1951	18.2 °C10 February 1951	22.9 °C	1,826 mm	40
1950	32.0 °C30 March 1950	13.8 °C29 August 1950	22.8 °C	1,225 mm	33
1949	32.4 °C16 February 1949	18.5 °C30 December 1949	23.0 °C	1,520 mm	34
1948	30.6 °C12 February 1948	18.5 °C13 July 1948	22.5 °C	1,827 mm	5
1947	31.5 °C6 September 1947	16.5 °C8 September 1947	22.8 °C	1,570 mm	16
1946	32.4 °C25 January 1946	17.6 °C8 July 1946	22.7 °C	1,427 mm	41
1945	31.5 °C6 January 1945	17.8 °C6 August 1945	22.7 °C	1,572 mm	39
1944	31.7 °C13 February 1944	16.6 °C31 July 1944	22.9 °C	1,255 mm	46
1943	30.8 °C20 August 1943	14.2 °C26 July 1943	22.5 °C	1,312 mm	15
1942	30.8 °C8 January 1942	15.4 °C19 July 1942	22.5 °C	1,513 mm	11
1941	31.4 °C3 February 1941	17.5 °C4 August 1941	23.0 °C	1,237 mm	23
1940	31.2 °C15 April 1940	16.4 °C2 August 1940	22.6 °C	1,391 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

29.5 °C

+1.1 °C

Hot days (≥ 30 °C)

155 d/yr

+85

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1468 mm

-160 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.9 °C	+1.7 °C	44 mm	-24 mm
Feb	31.3 °C	+1.6 °C	38 mm	-46 mm
Mar	31.0 °C	+1.6 °C	155 mm	-14 mm
Apr	30.6 °C	+1.1 °C	171 mm	-16 mm
May	30.0 °C	+1.1 °C	177 mm	+13 mm
Jun	29.3 °C	+1.5 °C	132 mm	+1 mm
Jul	27.1 °C	+0.2 °C	76 mm	-17 mm
Aug	27.4 °C	+0.2 °C	29 mm	-62 mm
Sep	29.1 °C	+1.3 °C	176 mm	+17 mm
Oct	28.6 °C	+0.8 °C	212 mm	+1 mm
Nov	29.1 °C	+1.2 °C	179 mm	-4 mm
Dec	30.1 °C	+1.6 °C	79 mm	-7 mm

The year's extremes

Hottest day

33.9 °C

17 Jan 2025

Coldest day

18.8 °C

14 Aug 2025

Wettest day

26.6 mm

3 May 2025

Windiest day

15.0 km/h

12 Jan 2025

Strongest gust

37.8 km/h

17 Nov 2025

Hottest feels-like

39.4 °C

20 Apr 2025

Coldest feels-like

21.0 °C

13 Aug 2025

Sunniest day

11.9 h

7 May 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 Bitam?

Bitam has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 23.3 °C and it receives 1,627 mm of precipitation per year.

What is the hottest day ever recorded in Bitam?

The hottest day measured in Bitam between 1940 and 2025 was 10 April 1988, reaching 34.5 °C.

What is the coldest day in Bitam?

The coldest day measured in Bitam between 1940 and 2025 was 2 August 1954, at 13.2 °C.

Does it snow in Bitam?

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

Has the climate of Bitam warmed?

Yes: Bitam warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bitam?

The wettest day measured in Bitam between 1940 and 2025 was 23 January 1976, with 174 mm of rain in 24 hours.

What was the windiest day in Bitam?

The windiest day measured in Bitam between 1940 and 2025 was 16 July 1950, with winds reaching 18.1 km/h.

What is the warmest month in Bitam?

The warmest month in Bitam is February (24.1 °C on average); the coldest is July (22.5 °C).

How much does it rain in Bitam?

Bitam receives on average 1,627 mm of precipitation per year, spread over about 261 rainy days.

Is it sunny in Bitam?

Bitam gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Are there tropical nights in Bitam?

Yes: Bitam has on average 242 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bitam?

In Bitam, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 10 March 2024, and the lowest was 12.8 °C on 2 August 1954.

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