Bumba climate — normals and trends

Q: What is the climate of Bumba?

Bumba has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,605 mm of precipitation per year.

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

The hottest day measured in Bumba between 1940 and 2025 was 2 March 2021, reaching 39.6 °C.

Q: What is the coldest day in Bumba?

The coldest day measured in Bumba between 1940 and 2025 was 21 January 1989, at 16.0 °C.

Q: Does it snow in Bumba?

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

Q: Has the climate of Bumba warmed?

Yes: Bumba warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bumba?

The wettest day measured in Bumba between 1940 and 2025 was 18 August 2021, with 157 mm of rain in 24 hours.

Q: What was the windiest day in Bumba?

The windiest day measured in Bumba between 1940 and 2025 was 23 August 1950, with winds reaching 22.3 km/h.

Q: What is the warmest month in Bumba?

The warmest month in Bumba is February (26.4 °C on average); the coldest is August (24.5 °C).

Q: How much does it rain in Bumba?

Bumba receives on average 1,605 mm of precipitation per year, spread over about 249 rainy days.

Q: Is it sunny in Bumba?

Bumba gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Bumba (Democratic Republic of Congo) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,605 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 (26.4 °C on average) and the coldest is August (24.5 °C). Rainfall peaks in October.

Bumba averages 0 frost days, 153 hot days (≥ 30 °C) and 249 rainy days per year.

Bumba has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.6 °C (on 2 March 2021) and the coldest 16.0 °C (on 21 January 1989).

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

BumbaMongala

coords: 2.19°, 22.47°
period: 1940–2025 · 86 yrs

AfTropical rainforestWarmest monthFebruaryColdest monthAugustWettest monthOctoberDriest monthJanuary

Mean daily temperature

25.2°C

Average daily high

29.7°C

Average daily low

22.4°C

Annual rainfall

1,605mm

Sunshine / day

9.1h

Mean relative humidity

86%

Average peak wind

8.0km/h

Seasonal range

1.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

153 d/yr

Rainy days (≥ 1 mm)

249 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.4 °C

Average feels-like low

26.4 °C

Average peak gust

22.8 km/h

Tropical nights (≥ 20 °C)

362 d/yr

Solar radiation

18.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.0 °C

since 1940

+0.2 °C per decade · r² = 0.69 · 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

39.6 °C

2 March 2021

Coldest day

16.0 °C

21 January 1989

Wettest day

157 mm

18 August 2021

Windiest day

22.3 km/h

23 August 1950

Strongest gust

50.4 km/h

24 February 1992

Hottest feels-like

44.3 °C

4 February 1998

Coldest feels-like

15.2 °C

21 January 1989

Sunniest day

11.9 h

6 May 1957

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.1 °C11 March 2025	20.7 °C20 August 2025	26.8 °C	1,032 mm	276
2024	39.6 °C18 March 2024	21.4 °C29 November 2024	27.5 °C	890 mm	298
2023	37.4 °C19 February 2023	20.9 °C16 December 2023	26.6 °C	1,395 mm	262
2022	39.6 °C20 March 2022	20.1 °C30 January 2022	26.6 °C	1,032 mm	264
2021	39.6 °C2 March 2021	20.3 °C8 August 2021	26.7 °C	1,249 mm	276
2020	37.6 °C14 February 2020	18.4 °C25 January 2020	26.4 °C	1,279 mm	249
2019	37.0 °C19 March 2019	21.1 °C11 October 2019	26.4 °C	1,399 mm	249
2018	37.8 °C7 February 2018	19.5 °C7 January 2018	26.2 °C	1,307 mm	256
2017	36.3 °C15 January 2017	21.0 °C20 September 2017	26.4 °C	1,276 mm	262
2016	39.2 °C5 February 2016	20.2 °C1 February 2016	26.5 °C	1,377 mm	252
2015	37.2 °C22 January 2015	17.9 °C13 January 2015	26.1 °C	1,287 mm	247
2014	37.3 °C21 February 2014	21.1 °C6 October 2014	26.1 °C	1,233 mm	241
2013	36.7 °C7 February 2013	18.1 °C17 December 2013	26.0 °C	1,189 mm	240
2012	37.0 °C22 March 2012	17.8 °C23 January 2012	25.7 °C	1,193 mm	234
2011	37.0 °C8 March 2011	19.3 °C18 January 2011	25.9 °C	1,249 mm	248
2010	36.8 °C1 February 2010	21.1 °C29 June 2010	25.9 °C	1,350 mm	207
2009	35.5 °C24 March 2009	20.9 °C1 December 2009	25.9 °C	1,422 mm	223
2008	36.2 °C18 February 2008	18.1 °C2 February 2008	25.4 °C	1,379 mm	195
2007	37.0 °C22 January 2007	17.7 °C3 January 2007	25.6 °C	1,477 mm	180
2006	35.8 °C25 January 2006	20.3 °C28 December 2006	25.4 °C	1,466 mm	165
2005	38.6 °C25 February 2005	19.5 °C13 January 2005	25.9 °C	1,388 mm	203
2004	37.5 °C29 March 2004	18.5 °C7 February 2004	25.8 °C	1,286 mm	229
2003	37.2 °C8 February 2003	20.4 °C5 January 2003	25.6 °C	1,483 mm	184
2002	36.4 °C21 February 2002	18.2 °C14 January 2002	25.5 °C	1,342 mm	195
2001	35.9 °C19 February 2001	18.5 °C12 January 2001	25.2 °C	1,366 mm	154
2000	35.8 °C5 March 2000	20.0 °C17 December 2000	25.1 °C	1,474 mm	161
1999	35.2 °C17 February 1999	20.7 °C13 January 1999	24.9 °C	1,660 mm	126
1998	37.6 °C6 February 1998	18.4 °C17 January 1998	26.0 °C	1,491 mm	208
1997	36.9 °C27 February 1997	18.6 °C25 January 1997	25.3 °C	1,540 mm	155
1996	34.0 °C29 January 1996	20.6 °C24 December 1996	25.0 °C	1,660 mm	135
1995	35.9 °C15 March 1995	20.2 °C27 January 1995	25.2 °C	1,768 mm	163
1994	35.5 °C20 February 1994	17.8 °C16 January 1994	25.2 °C	1,748 mm	163
1993	36.0 °C27 January 1993	17.5 °C23 January 1993	25.2 °C	1,645 mm	171
1992	38.7 °C7 March 1992	18.2 °C28 December 1992	25.1 °C	1,604 mm	159
1991	35.0 °C13 February 1991	19.1 °C20 December 1991	25.2 °C	1,634 mm	135
1990	36.3 °C16 March 1990	19.8 °C20 January 1990	25.3 °C	1,793 mm	141
1989	37.9 °C27 January 1989	16.0 °C21 January 1989	25.1 °C	1,560 mm	144
1988	35.5 °C27 February 1988	20.4 °C19 July 1988	25.1 °C	1,989 mm	132
1987	35.6 °C22 March 1987	20.7 °C1 January 1987	25.5 °C	1,806 mm	181
1986	35.0 °C17 January 1986	19.4 °C8 December 1986	25.0 °C	1,829 mm	145
1985	36.7 °C7 March 1985	18.2 °C18 February 1985	24.6 °C	1,788 mm	99
1984	35.8 °C18 February 1984	17.5 °C18 January 1984	24.7 °C	1,755 mm	123
1983	37.1 °C3 February 1983	16.3 °C28 December 1983	25.6 °C	1,644 mm	170
1982	36.4 °C20 February 1982	18.5 °C10 February 1982	25.0 °C	1,741 mm	134
1981	36.8 °C1 March 1981	19.3 °C13 February 1981	24.9 °C	1,888 mm	117
1980	33.5 °C9 March 1980	18.9 °C28 December 1980	24.8 °C	1,920 mm	93
1979	34.2 °C5 March 1979	20.3 °C3 September 1979	25.0 °C	1,813 mm	138
1978	34.1 °C30 January 1978	18.6 °C16 December 1978	24.9 °C	1,760 mm	124
1977	34.2 °C27 February 1977	19.0 °C28 December 1977	24.8 °C	1,852 mm	119
1976	33.4 °C6 May 1976	17.6 °C2 January 1976	24.4 °C	2,103 mm	81
1975	34.0 °C22 January 1975	18.6 °C10 December 1975	24.4 °C	1,957 mm	86
1974	33.6 °C27 January 1974	18.8 °C8 December 1974	24.4 °C	1,835 mm	90
1973	36.2 °C12 March 1973	20.4 °C11 September 1973	25.2 °C	1,797 mm	149
1972	34.2 °C30 March 1972	19.1 °C1 January 1972	24.8 °C	1,918 mm	122
1971	35.5 °C5 March 1971	16.7 °C23 December 1971	24.6 °C	1,747 mm	139
1970	34.4 °C27 April 1970	18.5 °C3 December 1970	25.0 °C	2,016 mm	155
1969	34.7 °C4 February 1969	19.0 °C1 February 1969	24.8 °C	2,066 mm	122
1968	34.7 °C6 April 1968	20.0 °C17 January 1968	24.6 °C	1,836 mm	101
1967	33.7 °C4 April 1967	19.2 °C27 December 1967	24.5 °C	2,122 mm	111
1966	35.9 °C24 March 1966	20.9 °C14 November 1966	25.3 °C	1,515 mm	151
1965	36.0 °C11 July 1965	19.1 °C16 December 1965	25.0 °C	1,608 mm	126
1964	35.4 °C17 July 1964	19.5 °C8 February 1964	25.1 °C	1,565 mm	158
1963	34.0 °C23 March 1963	20.7 °C19 July 1963	24.7 °C	1,594 mm	86
1962	34.2 °C11 February 1962	20.5 °C26 July 1962	24.3 °C	1,942 mm	57
1961	34.1 °C22 February 1961	19.5 °C14 February 1961	24.5 °C	1,994 mm	102
1960	33.9 °C1 February 1960	20.2 °C18 July 1960	24.7 °C	1,943 mm	126
1959	36.4 °C10 March 1959	18.9 °C23 January 1959	25.0 °C	1,717 mm	134
1958	35.7 °C25 February 1958	20.2 °C9 February 1958	25.0 °C	1,858 mm	124
1957	36.7 °C19 February 1957	17.0 °C6 February 1957	24.8 °C	1,569 mm	110
1956	33.4 °C16 February 1956	19.3 °C22 January 1956	24.2 °C	1,893 mm	50
1955	33.3 °C16 February 1955	20.4 °C12 August 1955	24.2 °C	1,826 mm	40
1954	33.4 °C24 January 1954	20.5 °C18 July 1954	24.3 °C	1,812 mm	55
1953	33.7 °C25 December 1953	18.7 °C21 December 1953	24.4 °C	1,940 mm	83
1952	33.3 °C25 January 1952	20.8 °C2 October 1952	24.5 °C	2,089 mm	99
1951	34.1 °C1 March 1951	20.6 °C17 July 1951	24.6 °C	1,715 mm	102
1950	35.7 °C17 February 1950	17.1 °C11 August 1950	24.9 °C	1,438 mm	156
1949	34.5 °C14 February 1949	19.4 °C12 December 1949	25.0 °C	1,145 mm	140
1948	33.6 °C21 March 1948	20.5 °C6 January 1948	24.3 °C	1,988 mm	45
1947	33.1 °C12 January 1947	20.6 °C23 July 1947	24.6 °C	1,539 mm	82
1946	36.1 °C18 January 1946	18.0 °C13 January 1946	24.7 °C	1,490 mm	106
1945	36.8 °C16 February 1945	18.2 °C18 January 1945	24.6 °C	1,542 mm	97
1944	36.1 °C13 February 1944	18.7 °C15 January 1944	24.9 °C	1,341 mm	119
1943	35.7 °C1 March 1943	18.0 °C4 February 1943	25.0 °C	1,389 mm	147
1942	35.1 °C25 January 1942	19.4 °C5 January 1942	24.5 °C	1,498 mm	84
1941	34.8 °C10 March 1941	20.2 °C29 January 1941	25.2 °C	1,334 mm	140
1940	33.1 °C14 February 1940	19.6 °C14 January 1940	24.3 °C	1,667 mm	54

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

32.0 °C

+2.3 °C

Hot days (≥ 30 °C)

276 d/yr

+123

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1032 mm

-573 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	34.7 °C	+3.6 °C	5 mm	-57 mm
Feb	35.3 °C	+3.5 °C	10 mm	-75 mm
Mar	34.5 °C	+3.4 °C	56 mm	-95 mm
Apr	33.1 °C	+2.8 °C	81 mm	-71 mm
May	32.5 °C	+2.7 °C	89 mm	-52 mm
Jun	32.4 °C	+3.1 °C	68 mm	-48 mm
Jul	29.0 °C	+0.1 °C	156 mm	+31 mm
Aug	29.5 °C	+0.8 °C	132 mm	-25 mm
Sep	30.8 °C	+2.1 °C	138 mm	-28 mm
Oct	30.2 °C	+1.8 °C	170 mm	-29 mm
Nov	30.3 °C	+1.9 °C	86 mm	-83 mm
Dec	31.8 °C	+2.1 °C	43 mm	-41 mm

The year's extremes

Hottest day

38.1 °C

11 Mar 2025

Coldest day

20.7 °C

20 Aug 2025

Wettest day

28.1 mm

30 Oct 2025

Windiest day

16.3 km/h

25 Feb 2025

Strongest gust

38.9 km/h

1 Oct 2025

Hottest feels-like

42.5 °C

25 Feb 2025

Coldest feels-like

21.6 °C

2 Jan 2025

Sunniest day

11.9 h

8 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 Bumba?

Bumba has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,605 mm of precipitation per year.

What is the hottest day ever recorded in Bumba?

The hottest day measured in Bumba between 1940 and 2025 was 2 March 2021, reaching 39.6 °C.

What is the coldest day in Bumba?

The coldest day measured in Bumba between 1940 and 2025 was 21 January 1989, at 16.0 °C.

Does it snow in Bumba?

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

Has the climate of Bumba warmed?

Yes: Bumba warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bumba?

The wettest day measured in Bumba between 1940 and 2025 was 18 August 2021, with 157 mm of rain in 24 hours.

What was the windiest day in Bumba?

The windiest day measured in Bumba between 1940 and 2025 was 23 August 1950, with winds reaching 22.3 km/h.

What is the warmest month in Bumba?

The warmest month in Bumba is February (26.4 °C on average); the coldest is August (24.5 °C).

How much does it rain in Bumba?

Bumba receives on average 1,605 mm of precipitation per year, spread over about 249 rainy days.

Is it sunny in Bumba?

Bumba gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Are there tropical nights in Bumba?

Yes: Bumba has on average 362 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bumba?

In Bumba, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 4 February 1998, and the lowest was 15.2 °C on 21 January 1989.

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