Bousso climate — normals and trends

Q: What is the climate of Bousso?

Bousso has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.3 °C and it receives 714 mm of precipitation per year.

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

The hottest day measured in Bousso between 1940 and 2025 was 30 March 2024, reaching 45.9 °C.

Q: What is the coldest day in Bousso?

The coldest day measured in Bousso between 1940 and 2025 was 18 January 1968, at 11.3 °C.

Q: Does it snow in Bousso?

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

Q: Has the climate of Bousso warmed?

Yes: Bousso warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bousso?

The wettest day measured in Bousso between 1940 and 2025 was 7 June 2019, with 137 mm of rain in 24 hours.

Q: What was the windiest day in Bousso?

The windiest day measured in Bousso between 1940 and 2025 was 23 February 2024, with winds reaching 33.7 km/h.

Q: What is the warmest month in Bousso?

The warmest month in Bousso is April (33.3 °C on average); the coldest is August (25.5 °C).

Q: How much does it rain in Bousso?

Bousso receives on average 714 mm of precipitation per year, spread over about 105 rainy days.

Q: Is it sunny in Bousso?

Bousso gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Bousso (Chad) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.3 °C and it receives 714 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 (33.3 °C on average) and the coldest is August (25.5 °C). Rainfall peaks in August.

Bousso averages 0 frost days, 318 hot days (≥ 30 °C) and 105 rainy days per year.

Bousso has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 45.9 °C (on 30 March 2024) and the coldest 11.3 °C (on 18 January 1968).

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

BoussoChari-Baguirmi Region

coords: 10.48°, 16.71°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthAprilColdest monthAugustWettest monthAugustDriest monthFebruary

Mean daily temperature

28.3°C

Average daily high

34.9°C

Average daily low

22.8°C

Annual rainfall

714mm

Sunshine / day

10.7h

Mean relative humidity

48%

Average peak wind

14.6km/h

Seasonal range

7.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

318 d/yr

Rainy days (≥ 1 mm)

105 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.8 °C

Average feels-like low

23.0 °C

Average peak gust

30.7 km/h

Tropical nights (≥ 20 °C)

292 d/yr

Solar radiation

21.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.36 · 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

45.9 °C

30 March 2024

Coldest day

11.3 °C

18 January 1968

Wettest day

137 mm

7 June 2019

Windiest day

33.7 km/h

23 February 2024

Strongest gust

64.4 km/h

23 February 2024

Hottest feels-like

47.5 °C

18 April 2024

Coldest feels-like

6.5 °C

18 January 1968

Sunniest day

12.1 h

17 May 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	43.9 °C30 March 2025	14.7 °C11 January 2025	29.3 °C	446 mm	335
2024	45.9 °C30 March 2024	14.9 °C28 November 2024	29.3 °C	791 mm	335
2023	43.5 °C5 April 2023	16.3 °C11 January 2023	29.3 °C	522 mm	350
2022	44.5 °C2 April 2022	15.2 °C30 December 2022	28.5 °C	682 mm	328
2021	45.0 °C8 April 2021	15.1 °C9 February 2021	29.5 °C	562 mm	338
2020	45.7 °C3 April 2020	14.7 °C3 January 2020	29.2 °C	449 mm	336
2019	45.3 °C6 April 2019	16.5 °C7 December 2019	28.9 °C	1,015 mm	334
2018	43.5 °C27 March 2018	14.1 °C6 January 2018	29.4 °C	617 mm	339
2017	43.8 °C21 April 2017	16.3 °C11 January 2017	29.3 °C	617 mm	341
2016	45.7 °C1 March 2016	14.6 °C31 January 2016	29.3 °C	676 mm	346
2015	44.3 °C1 May 2015	12.3 °C13 January 2015	29.3 °C	505 mm	344
2014	43.5 °C23 March 2014	15.6 °C27 December 2014	28.9 °C	643 mm	342
2013	43.7 °C5 April 2013	13.9 °C19 December 2013	29.1 °C	653 mm	329
2012	44.2 °C9 April 2012	14.8 °C15 January 2012	28.7 °C	690 mm	329
2011	43.6 °C19 April 2011	13.5 °C13 January 2011	28.6 °C	787 mm	328
2010	45.0 °C18 April 2010	14.2 °C30 December 2010	29.1 °C	768 mm	326
2009	43.3 °C7 March 2009	15.1 °C27 December 2009	29.2 °C	627 mm	342
2008	43.6 °C26 March 2008	14.2 °C26 January 2008	28.2 °C	715 mm	325
2007	44.5 °C23 March 2007	14.5 °C15 January 2007	29.0 °C	610 mm	327
2006	43.2 °C28 February 2006	13.7 °C31 December 2006	29.0 °C	604 mm	335
2005	44.1 °C21 February 2005	14.6 °C8 January 2005	29.2 °C	739 mm	333
2004	44.2 °C25 March 2004	16.3 °C15 January 2004	28.8 °C	630 mm	336
2003	44.1 °C8 April 2003	15.0 °C1 January 2003	28.7 °C	819 mm	326
2002	42.9 °C25 April 2002	11.8 °C12 January 2002	28.6 °C	622 mm	333
2001	42.6 °C2 March 2001	13.8 °C6 January 2001	28.2 °C	748 mm	319
2000	43.7 °C22 March 2000	14.9 °C31 December 2000	27.9 °C	663 mm	325
1999	43.4 °C20 March 1999	13.8 °C10 January 1999	28.3 °C	912 mm	307
1998	44.9 °C2 April 1998	14.5 °C18 January 1998	29.1 °C	845 mm	329
1997	42.7 °C23 March 1997	15.9 °C23 January 1997	28.0 °C	797 mm	341
1996	43.3 °C12 March 1996	15.3 °C20 December 1996	28.3 °C	879 mm	329
1995	43.6 °C17 March 1995	15.3 °C13 January 1995	28.2 °C	860 mm	328
1994	43.2 °C17 April 1994	14.2 °C15 January 1994	28.4 °C	974 mm	318
1993	43.1 °C4 March 1993	13.4 °C7 January 1993	28.5 °C	516 mm	336
1992	45.0 °C27 March 1992	12.8 °C5 January 1992	27.9 °C	649 mm	311
1991	42.8 °C29 March 1991	14.2 °C22 December 1991	28.4 °C	670 mm	326
1990	43.1 °C8 April 1990	16.5 °C23 February 1990	29.0 °C	590 mm	343
1989	41.5 °C26 April 1989	13.0 °C14 January 1989	27.2 °C	651 mm	315
1988	43.7 °C4 March 1988	16.4 °C29 December 1988	28.0 °C	1,005 mm	306
1987	43.9 °C21 March 1987	16.2 °C18 December 1987	28.7 °C	740 mm	331
1986	43.2 °C15 April 1986	14.0 °C8 December 1986	28.3 °C	662 mm	321
1985	43.8 °C18 March 1985	16.5 °C29 December 1985	27.9 °C	847 mm	293
1984	42.4 °C11 March 1984	15.4 °C7 February 1984	28.5 °C	637 mm	339
1983	43.1 °C24 April 1983	14.0 °C7 January 1983	28.4 °C	528 mm	326
1982	42.9 °C17 March 1982	13.6 °C9 February 1982	27.7 °C	700 mm	315
1981	42.6 °C16 April 1981	16.0 °C11 January 1981	27.5 °C	884 mm	304
1980	43.5 °C19 March 1980	13.0 °C27 December 1980	27.9 °C	1,007 mm	303
1979	43.7 °C16 April 1979	15.5 °C16 January 1979	28.0 °C	889 mm	314
1978	42.3 °C4 April 1978	12.8 °C11 January 1978	27.9 °C	939 mm	320
1977	43.8 °C21 April 1977	13.1 °C27 December 1977	28.0 °C	686 mm	330
1976	42.1 °C1 April 1976	14.4 °C23 January 1976	27.8 °C	826 mm	323
1975	42.4 °C4 April 1975	13.8 °C17 January 1975	27.6 °C	962 mm	304
1974	42.1 °C13 March 1974	14.1 °C30 December 1974	27.6 °C	891 mm	298
1973	44.0 °C26 March 1973	15.9 °C23 December 1973	29.1 °C	678 mm	334
1972	43.3 °C28 March 1972	15.6 °C8 January 1972	28.6 °C	689 mm	339
1971	43.8 °C11 March 1971	13.0 °C1 January 1971	28.3 °C	630 mm	318
1970	43.5 °C7 April 1970	13.9 °C3 December 1970	28.2 °C	742 mm	315
1969	43.0 °C2 May 1969	14.7 °C8 January 1969	28.2 °C	919 mm	321
1968	42.6 °C15 April 1968	11.3 °C18 January 1968	27.6 °C	646 mm	315
1967	43.5 °C16 April 1967	12.7 °C3 January 1967	27.5 °C	715 mm	303
1966	43.4 °C26 March 1966	12.7 °C5 January 1966	29.1 °C	363 mm	346
1965	43.1 °C24 April 1965	13.2 °C18 December 1965	28.8 °C	350 mm	345
1964	43.7 °C3 April 1964	14.2 °C13 January 1964	28.6 °C	452 mm	323
1963	43.0 °C25 March 1963	13.1 °C9 December 1963	28.5 °C	505 mm	341
1962	41.5 °C23 April 1962	13.5 °C7 January 1962	28.1 °C	551 mm	313
1961	42.0 °C29 March 1961	14.3 °C25 December 1961	27.7 °C	620 mm	286
1960	43.0 °C29 March 1960	14.8 °C24 January 1960	28.4 °C	542 mm	320
1959	42.6 °C15 March 1959	14.1 °C29 December 1959	28.3 °C	492 mm	321
1958	42.3 °C22 March 1958	15.7 °C7 January 1958	27.6 °C	897 mm	274
1957	41.5 °C6 May 1957	12.4 °C11 January 1957	27.0 °C	979 mm	282
1956	41.9 °C5 April 1956	14.8 °C20 December 1956	27.8 °C	989 mm	277
1955	41.8 °C27 April 1955	15.0 °C31 December 1955	27.1 °C	752 mm	257
1954	40.8 °C16 April 1954	14.5 °C15 January 1954	27.4 °C	821 mm	266
1953	42.4 °C24 April 1953	12.3 °C23 December 1953	27.2 °C	1,093 mm	269
1952	42.2 °C20 April 1952	15.3 °C6 January 1952	27.9 °C	785 mm	303
1951	41.8 °C9 April 1951	14.9 °C30 December 1951	27.8 °C	726 mm	325
1950	42.2 °C1 March 1950	16.1 °C8 December 1950	27.4 °C	953 mm	285
1949	42.6 °C29 April 1949	14.9 °C8 February 1949	29.0 °C	344 mm	340
1948	41.1 °C26 March 1948	14.6 °C3 February 1948	27.3 °C	861 mm	283
1947	42.0 °C17 April 1947	15.9 °C20 January 1947	27.0 °C	1,195 mm	240
1946	42.8 °C10 March 1946	14.5 °C14 January 1946	27.5 °C	922 mm	263
1945	42.1 °C8 April 1945	13.6 °C8 February 1945	27.5 °C	667 mm	303
1944	42.7 °C13 April 1944	15.1 °C30 November 1944	27.6 °C	848 mm	281
1943	42.2 °C13 March 1943	17.7 °C4 February 1943	28.8 °C	444 mm	304
1942	42.5 °C27 March 1942	17.4 °C31 January 1942	28.3 °C	663 mm	285
1941	43.9 °C1 April 1941	14.9 °C25 January 1941	29.3 °C	409 mm	342
1940	41.2 °C17 May 1940	17.1 °C16 January 1940	28.7 °C	425 mm	347

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

36.4 °C

+1.5 °C

Hot days (≥ 30 °C)

335 d/yr

+17

Frost days (< 0 °C)

0 d/yr

Annual rainfall

446 mm

-268 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	36.2 °C	+1.6 °C	0 mm	-0 mm
Feb	38.4 °C	+1.3 °C	0 mm	0 mm
Mar	41.9 °C	+2.0 °C	0 mm	-2 mm
Apr	41.2 °C	+1.0 °C	2 mm	-9 mm
May	39.9 °C	+2.1 °C	3 mm	-40 mm
Jun	36.4 °C	+1.8 °C	23 mm	-55 mm
Jul	31.2 °C	+0.3 °C	183 mm	+11 mm
Aug	29.7 °C	+0.2 °C	161 mm	-66 mm
Sep	31.9 °C	+1.3 °C	66 mm	-73 mm
Oct	35.2 °C	+1.7 °C	9 mm	-31 mm
Nov	37.7 °C	+2.1 °C	0 mm	-3 mm
Dec	37.7 °C	+3.0 °C	0 mm	-0 mm

The year's extremes

Hottest day

43.9 °C

30 Mar 2025

Coldest day

14.7 °C

11 Jan 2025

Wettest day

21.5 mm

25 Aug 2025

Windiest day

29.7 km/h

21 Mar 2025

Strongest gust

50.4 km/h

21 Mar 2025

Hottest feels-like

46.2 °C

23 Apr 2025

Coldest feels-like

10.5 °C

11 Jan 2025

Sunniest day

12.0 h

16 Mar 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 Bousso?

Bousso has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.3 °C and it receives 714 mm of precipitation per year.

What is the hottest day ever recorded in Bousso?

The hottest day measured in Bousso between 1940 and 2025 was 30 March 2024, reaching 45.9 °C.

What is the coldest day in Bousso?

The coldest day measured in Bousso between 1940 and 2025 was 18 January 1968, at 11.3 °C.

Does it snow in Bousso?

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

Has the climate of Bousso warmed?

Yes: Bousso warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bousso?

The wettest day measured in Bousso between 1940 and 2025 was 7 June 2019, with 137 mm of rain in 24 hours.

What was the windiest day in Bousso?

The windiest day measured in Bousso between 1940 and 2025 was 23 February 2024, with winds reaching 33.7 km/h.

What is the warmest month in Bousso?

The warmest month in Bousso is April (33.3 °C on average); the coldest is August (25.5 °C).

How much does it rain in Bousso?

Bousso receives on average 714 mm of precipitation per year, spread over about 105 rainy days.

Is it sunny in Bousso?

Bousso gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.

Are there tropical nights in Bousso?

Yes: Bousso has on average 292 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bousso?

In Bousso, between 1940 and 2025, the highest apparent temperature reached 47.5 °C on 18 April 2024, and the lowest was 6.5 °C on 18 January 1968.

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