Contumo climate — normals and trends

Q: What is the climate of Contumo?

Contumo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,550 mm of precipitation per year.

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

The hottest day measured in Contumo between 1940 and 2025 was 12 March 2024, reaching 41.1 °C.

Q: What is the coldest day in Contumo?

The coldest day measured in Contumo between 1940 and 2025 was 21 January 2009, at 15.5 °C.

Q: Does it snow in Contumo?

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

Q: Has the climate of Contumo warmed?

Yes: Contumo warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Contumo?

The wettest day measured in Contumo between 1940 and 2025 was 30 July 1967, with 279 mm of rain in 24 hours.

Q: What was the windiest day in Contumo?

The windiest day measured in Contumo between 1940 and 2025 was 30 August 2001, with winds reaching 31.5 km/h.

Q: What is the warmest month in Contumo?

The warmest month in Contumo is May (28.1 °C on average); the coldest is August (26.0 °C).

Q: How much does it rain in Contumo?

Contumo receives on average 1,550 mm of precipitation per year, spread over about 134 rainy days.

Q: Is it sunny in Contumo?

Contumo gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Contumo (Guinea-Bissau) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.0 °C and it receives 1,550 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 May (28.1 °C on average) and the coldest is August (26.0 °C). Rainfall peaks in August.

Contumo averages 0 frost days, 267 hot days (≥ 30 °C) and 134 rainy days per year.

Contumo has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.1 °C (on 12 March 2024) and the coldest 15.5 °C (on 21 January 2009).

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

ContumoBissau

coords: 11.85°, -15.62°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthMayColdest monthAugustWettest monthAugustDriest monthJanuary

Mean daily temperature

27.0°C

Average daily high

31.8°C

Average daily low

23.3°C

Annual rainfall

1,550mm

Sunshine / day

10.1h

Mean relative humidity

69%

Average peak wind

15.0km/h

Seasonal range

2.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

267 d/yr

Rainy days (≥ 1 mm)

134 d/yr

Annual snowfall

0.0 cm

Average feels-like high

35.3 °C

Average feels-like low

26.0 °C

Average peak gust

31.2 km/h

Tropical nights (≥ 20 °C)

343 d/yr

Solar radiation

19.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.73 · 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

41.1 °C

12 March 2024

Coldest day

15.5 °C

21 January 2009

Wettest day

279 mm

30 July 1967

Windiest day

31.5 km/h

30 August 2001

Strongest gust

70.9 km/h

30 August 2001

Hottest feels-like

44.7 °C

11 May 2025

Coldest feels-like

11.0 °C

20 January 2009

Sunniest day

12.0 h

1 August 2002

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	40.0 °C22 April 2025	17.8 °C12 January 2025	27.4 °C	1,836 mm	297
2024	41.1 °C12 March 2024	18.7 °C22 December 2024	28.0 °C	1,852 mm	308
2023	40.6 °C8 March 2023	18.0 °C15 January 2023	27.9 °C	1,381 mm	337
2022	40.5 °C25 April 2022	17.9 °C4 January 2022	27.6 °C	1,656 mm	298
2021	38.6 °C2 March 2021	17.9 °C28 January 2021	28.0 °C	1,443 mm	327
2020	41.0 °C6 April 2020	17.8 °C7 January 2020	27.9 °C	1,934 mm	311
2019	39.6 °C12 March 2019	17.7 °C30 January 2019	27.7 °C	1,250 mm	312
2018	38.9 °C3 March 2018	17.4 °C24 January 2018	27.1 °C	1,792 mm	302
2017	38.5 °C8 April 2017	18.0 °C6 January 2017	27.7 °C	1,240 mm	316
2016	39.6 °C3 March 2016	19.5 °C6 January 2016	27.5 °C	1,732 mm	304
2015	38.8 °C12 March 2015	17.5 °C7 January 2015	27.2 °C	1,852 mm	297
2014	39.1 °C3 April 2014	17.3 °C30 December 2014	27.1 °C	1,020 mm	300
2013	38.9 °C7 March 2013	17.9 °C7 January 2013	27.3 °C	1,593 mm	292
2012	38.4 °C16 April 2012	17.6 °C21 January 2012	27.3 °C	1,594 mm	280
2011	38.7 °C20 February 2011	17.7 °C20 December 2011	27.4 °C	1,083 mm	311
2010	39.3 °C22 February 2010	18.5 °C16 January 2010	27.8 °C	1,494 mm	295
2009	38.9 °C3 April 2009	15.5 °C21 January 2009	27.2 °C	1,387 mm	288
2008	38.6 °C10 March 2008	16.9 °C8 January 2008	27.4 °C	1,434 mm	311
2007	39.8 °C12 April 2007	17.9 °C5 January 2007	27.5 °C	1,083 mm	298
2006	38.8 °C4 March 2006	17.8 °C29 December 2006	27.5 °C	1,030 mm	312
2005	39.2 °C25 March 2005	19.3 °C29 January 2005	27.9 °C	1,235 mm	303
2004	37.6 °C2 March 2004	18.9 °C3 February 2004	27.5 °C	1,172 mm	309
2003	39.5 °C27 February 2003	18.2 °C31 December 2003	27.5 °C	1,493 mm	287
2002	40.1 °C25 February 2002	19.0 °C30 December 2002	27.6 °C	913 mm	300
2001	39.4 °C28 February 2001	17.6 °C21 January 2001	27.5 °C	1,495 mm	287
2000	38.7 °C6 May 2000	18.4 °C30 December 2000	27.3 °C	1,394 mm	284
1999	38.9 °C8 March 1999	18.1 °C2 February 1999	27.3 °C	1,579 mm	277
1998	40.5 °C19 March 1998	18.2 °C2 January 1998	28.0 °C	1,301 mm	290
1997	38.7 °C21 March 1997	18.5 °C31 December 1997	27.6 °C	1,209 mm	287
1996	37.4 °C17 March 1996	18.6 °C14 January 1996	27.5 °C	1,258 mm	299
1995	38.6 °C25 February 1995	17.4 °C31 December 1995	27.6 °C	1,342 mm	307
1994	38.5 °C22 March 1994	17.2 °C5 February 1994	26.9 °C	1,330 mm	261
1993	39.2 °C13 March 1993	18.0 °C30 January 1993	27.3 °C	1,263 mm	294
1992	39.0 °C3 April 1992	18.1 °C13 February 1992	27.2 °C	1,248 mm	271
1991	38.3 °C17 March 1991	17.8 °C5 January 1991	27.3 °C	1,419 mm	287
1990	39.0 °C9 April 1990	18.5 °C2 February 1990	27.4 °C	1,291 mm	297
1989	38.9 °C5 April 1989	17.3 °C28 December 1989	27.1 °C	1,291 mm	289
1988	39.6 °C11 April 1988	16.8 °C25 January 1988	27.1 °C	1,352 mm	290
1987	38.8 °C23 February 1987	16.6 °C11 January 1987	27.4 °C	1,382 mm	302
1986	38.6 °C28 March 1986	17.0 °C26 January 1986	26.8 °C	1,391 mm	264
1985	38.2 °C17 April 1985	17.6 °C7 February 1985	26.8 °C	1,396 mm	258
1984	38.0 °C30 April 1984	17.2 °C2 January 1984	27.0 °C	1,259 mm	280
1983	40.1 °C6 April 1983	17.2 °C9 January 1983	27.2 °C	1,340 mm	296
1982	38.1 °C21 March 1982	16.5 °C29 December 1982	26.8 °C	1,285 mm	267
1981	38.3 °C27 March 1981	17.5 °C11 January 1981	27.0 °C	1,304 mm	285
1980	38.3 °C22 April 1980	17.6 °C21 December 1980	27.1 °C	1,255 mm	292
1979	39.0 °C19 March 1979	18.1 °C4 January 1979	27.0 °C	1,511 mm	256
1978	38.0 °C14 April 1978	17.8 °C9 March 1978	26.7 °C	1,686 mm	254
1977	39.0 °C27 April 1977	16.9 °C21 January 1977	27.0 °C	1,052 mm	265
1976	37.9 °C4 May 1976	17.2 °C19 January 1976	26.3 °C	1,712 mm	211
1975	39.0 °C14 March 1975	17.0 °C11 February 1975	26.5 °C	1,568 mm	249
1974	37.5 °C19 March 1974	17.3 °C11 January 1974	26.5 °C	1,820 mm	260
1973	40.2 °C13 March 1973	17.5 °C26 January 1973	27.1 °C	1,494 mm	288
1972	38.3 °C23 March 1972	17.5 °C12 January 1972	27.0 °C	1,696 mm	294
1971	39.2 °C15 March 1971	17.4 °C16 January 1971	26.5 °C	1,875 mm	252
1970	38.9 °C10 April 1970	17.2 °C2 February 1970	26.9 °C	1,553 mm	273
1969	39.3 °C2 May 1969	18.6 °C2 February 1969	27.2 °C	1,965 mm	254
1968	37.9 °C14 March 1968	16.4 °C9 January 1968	26.5 °C	1,245 mm	273
1967	37.9 °C18 March 1967	16.4 °C23 December 1967	26.3 °C	2,220 mm	225
1966	37.9 °C5 April 1966	18.5 °C3 January 1966	26.9 °C	1,839 mm	243
1965	39.2 °C27 April 1965	16.5 °C10 January 1965	26.4 °C	1,636 mm	221
1964	40.8 °C14 March 1964	18.2 °C16 December 1964	26.6 °C	1,794 mm	213
1963	38.6 °C1 April 1963	18.6 °C9 January 1963	26.9 °C	1,896 mm	255
1962	38.6 °C28 February 1962	17.8 °C15 December 1962	26.4 °C	1,836 mm	203
1961	38.4 °C24 March 1961	18.7 °C26 December 1961	26.7 °C	2,052 mm	235
1960	38.8 °C31 March 1960	18.6 °C20 January 1960	26.6 °C	1,386 mm	242
1959	39.3 °C9 April 1959	18.0 °C3 January 1959	26.4 °C	1,460 mm	233
1958	38.3 °C28 February 1958	18.6 °C19 December 1958	26.4 °C	2,600 mm	177
1957	37.7 °C29 April 1957	17.7 °C11 January 1957	26.2 °C	1,734 mm	223
1956	38.9 °C10 April 1956	17.3 °C3 January 1956	26.3 °C	1,916 mm	200
1955	38.5 °C14 April 1955	19.5 °C30 December 1955	26.4 °C	1,978 mm	216
1954	39.9 °C13 April 1954	16.3 °C8 February 1954	26.2 °C	2,411 mm	196
1953	37.8 °C22 March 1953	19.8 °C14 February 1953	26.8 °C	1,791 mm	225
1952	38.1 °C9 April 1952	17.9 °C4 January 1952	26.4 °C	1,785 mm	233
1951	38.7 °C23 March 1951	18.7 °C31 December 1951	26.3 °C	1,914 mm	227
1950	38.0 °C6 April 1950	18.8 °C13 February 1950	26.2 °C	2,155 mm	215
1949	37.5 °C21 April 1949	17.4 °C16 December 1949	26.4 °C	1,405 mm	223
1948	38.2 °C7 March 1948	18.3 °C17 January 1948	26.4 °C	1,675 mm	219
1947	39.1 °C6 March 1947	18.3 °C3 January 1947	26.6 °C	1,992 mm	239
1946	37.7 °C14 March 1946	18.5 °C14 January 1946	26.4 °C	1,585 mm	230
1945	39.5 °C31 March 1945	19.4 °C24 January 1945	26.9 °C	1,532 mm	235
1944	37.9 °C19 April 1944	18.0 °C19 December 1944	26.5 °C	1,618 mm	211
1943	38.5 °C19 April 1943	17.6 °C7 March 1943	25.9 °C	1,958 mm	195
1942	37.6 °C21 April 1942	18.4 °C20 January 1942	26.0 °C	1,678 mm	218
1941	38.6 °C1 May 1941	19.3 °C15 December 1941	26.9 °C	827 mm	259
1940	39.0 °C18 April 1940	18.0 °C12 January 1940	26.7 °C	1,549 mm	234

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

32.5 °C

+0.7 °C

Hot days (≥ 30 °C)

297 d/yr

+30

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1836 mm

+286 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	33.8 °C	+0.9 °C	0 mm	-0 mm
Feb	35.1 °C	+1.0 °C	0 mm	-1 mm
Mar	35.0 °C	+0.3 °C	0 mm	-0 mm
Apr	35.4 °C	+1.0 °C	0 mm	-0 mm
May	34.0 °C	+0.8 °C	5 mm	-3 mm
Jun	32.2 °C	+1.2 °C	69 mm	-46 mm
Jul	29.3 °C	+0.4 °C	560 mm	+190 mm
Aug	29.0 °C	+0.5 °C	544 mm	+48 mm
Sep	29.9 °C	+0.6 °C	540 mm	+189 mm
Oct	31.7 °C	+1.2 °C	89 mm	-85 mm
Nov	32.6 °C	+0.7 °C	28 mm	-3 mm
Dec	32.4 °C	-0.1 °C	1 mm	-1 mm

The year's extremes

Hottest day

40.0 °C

22 Apr 2025

Coldest day

17.8 °C

12 Jan 2025

Wettest day

159.8 mm

26 Jul 2025

Windiest day

30.4 km/h

9 Aug 2025

Strongest gust

61.6 km/h

9 Aug 2025

Hottest feels-like

44.7 °C

11 May 2025

Coldest feels-like

14.3 °C

2 Feb 2025

Sunniest day

12.0 h

1 Apr 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 Contumo?

Contumo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,550 mm of precipitation per year.

What is the hottest day ever recorded in Contumo?

The hottest day measured in Contumo between 1940 and 2025 was 12 March 2024, reaching 41.1 °C.

What is the coldest day in Contumo?

The coldest day measured in Contumo between 1940 and 2025 was 21 January 2009, at 15.5 °C.

Does it snow in Contumo?

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

Has the climate of Contumo warmed?

Yes: Contumo warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Contumo?

The wettest day measured in Contumo between 1940 and 2025 was 30 July 1967, with 279 mm of rain in 24 hours.

What was the windiest day in Contumo?

The windiest day measured in Contumo between 1940 and 2025 was 30 August 2001, with winds reaching 31.5 km/h.

What is the warmest month in Contumo?

The warmest month in Contumo is May (28.1 °C on average); the coldest is August (26.0 °C).

How much does it rain in Contumo?

Contumo receives on average 1,550 mm of precipitation per year, spread over about 134 rainy days.

Is it sunny in Contumo?

Contumo gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Are there tropical nights in Contumo?

Yes: Contumo has on average 343 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Contumo?

In Contumo, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 11 May 2025, and the lowest was 11.0 °C on 20 January 2009.

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