Diourou climate — normals and trends

Q: What is the climate of Diourou?

Diourou has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 534 mm of precipitation per year.

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

The hottest day measured in Diourou between 1940 and 2025 was 11 May 2024, reaching 45.0 °C.

Q: What is the coldest day in Diourou?

The coldest day measured in Diourou between 1940 and 2025 was 16 January 1948, at 9.8 °C.

Q: Does it snow in Diourou?

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

Q: Has the climate of Diourou warmed?

Yes: Diourou warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Diourou?

The wettest day measured in Diourou between 1940 and 2025 was 20 September 1970, with 191 mm of rain in 24 hours.

Q: What was the windiest day in Diourou?

The windiest day measured in Diourou between 1940 and 2025 was 25 June 1974, with winds reaching 33.0 km/h.

Q: What is the warmest month in Diourou?

The warmest month in Diourou is May (33.3 °C on average); the coldest is January (24.0 °C).

Q: How much does it rain in Diourou?

Diourou receives on average 534 mm of precipitation per year, spread over about 76 rainy days.

Q: Is it sunny in Diourou?

Diourou gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

Diourou (Mali) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.5 °C and it receives 534 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 (33.3 °C on average) and the coldest is January (24.0 °C). Rainfall peaks in August.

Diourou averages 0 frost days, 327 hot days (≥ 30 °C) and 76 rainy days per year.

Diourou has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.

The hottest day of the period reached 45.0 °C (on 11 May 2024) and the coldest 9.8 °C (on 16 January 1948).

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

DiourouSégou

coords: 13.69°, -5.83°
period: 1940–2025 · 86 yrs

BShHot semi-aridWarmest monthMayColdest monthJanuaryWettest monthAugustDriest monthFebruary

Mean daily temperature

28.5°C

Average daily high

34.8°C

Average daily low

22.9°C

Annual rainfall

534mm

Sunshine / day

11.0h

Mean relative humidity

43%

Average peak wind

14.7km/h

Seasonal range

9.3°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

327 d/yr

Rainy days (≥ 1 mm)

76 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.0 °C

Average feels-like low

22.8 °C

Average peak gust

32.0 km/h

Tropical nights (≥ 20 °C)

284 d/yr

Solar radiation

22.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.4 °C

since 1940

+0.3 °C per decade · r² = 0.65 · 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

45.0 °C

11 May 2024

Coldest day

9.8 °C

16 January 1948

Wettest day

191 mm

20 September 1970

Windiest day

33.0 km/h

25 June 1974

Strongest gust

64.4 km/h

25 June 1986

Hottest feels-like

48.1 °C

11 May 2024

Coldest feels-like

6.1 °C

16 January 1948

Sunniest day

12.8 h

24 June 2023

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	43.8 °C19 April 2025	15.5 °C20 January 2025	29.3 °C	398 mm	336
2024	45.0 °C11 May 2024	15.7 °C19 January 2024	29.8 °C	595 mm	351
2023	43.1 °C29 May 2023	13.3 °C29 January 2023	29.6 °C	420 mm	348
2022	43.4 °C6 May 2022	14.5 °C10 January 2022	29.1 °C	438 mm	346
2021	43.6 °C13 May 2021	15.7 °C30 December 2021	30.1 °C	305 mm	356
2020	43.7 °C29 April 2020	14.5 °C4 January 2020	29.4 °C	510 mm	340
2019	44.1 °C6 May 2019	11.8 °C23 January 2019	29.4 °C	473 mm	342
2018	42.2 °C14 May 2018	14.1 °C15 January 2018	29.3 °C	464 mm	341
2017	43.1 °C27 March 2017	13.0 °C14 January 2017	29.4 °C	403 mm	343
2016	44.1 °C13 May 2016	14.1 °C3 February 2016	29.5 °C	515 mm	341
2015	43.2 °C22 April 2015	14.3 °C7 January 2015	29.2 °C	451 mm	337
2014	43.2 °C22 May 2014	13.3 °C29 December 2014	29.2 °C	350 mm	350
2013	42.0 °C21 March 2013	12.9 °C6 January 2013	29.1 °C	462 mm	337
2012	43.5 °C7 May 2012	13.7 °C21 January 2012	28.8 °C	501 mm	330
2011	43.7 °C4 May 2011	13.7 °C31 December 2011	29.4 °C	349 mm	345
2010	42.7 °C8 April 2010	13.7 °C12 December 2010	29.7 °C	636 mm	344
2009	44.2 °C10 June 2009	11.7 °C20 January 2009	29.3 °C	401 mm	339
2008	43.3 °C3 May 2008	11.9 °C7 January 2008	28.8 °C	501 mm	323
2007	43.4 °C10 June 2007	14.1 °C6 December 2007	28.8 °C	417 mm	322
2006	42.7 °C12 April 2006	13.6 °C27 December 2006	28.6 °C	450 mm	331
2005	43.3 °C26 April 2005	15.1 °C3 January 2005	29.5 °C	402 mm	338
2004	42.5 °C26 May 2004	15.1 °C5 March 2004	29.5 °C	463 mm	347
2003	43.0 °C27 April 2003	15.1 °C28 January 2003	29.1 °C	598 mm	326
2002	43.2 °C27 May 2002	15.1 °C29 December 2002	29.5 °C	402 mm	347
2001	42.6 °C11 May 2001	15.4 °C2 January 2001	29.2 °C	379 mm	341
2000	43.6 °C5 May 2000	15.3 °C3 February 2000	29.0 °C	499 mm	333
1999	41.9 °C23 April 1999	12.5 °C7 February 1999	28.3 °C	487 mm	300
1998	43.7 °C3 April 1998	15.1 °C24 January 1998	29.4 °C	598 mm	330
1997	41.6 °C16 April 1997	15.3 °C29 December 1997	29.1 °C	397 mm	340
1996	41.8 °C2 April 1996	14.5 °C13 January 1996	29.3 °C	480 mm	348
1995	42.5 °C14 April 1995	11.4 °C11 January 1995	28.7 °C	499 mm	317
1994	43.3 °C23 April 1994	13.7 °C17 January 1994	28.2 °C	690 mm	308
1993	43.7 °C16 May 1993	14.1 °C30 January 1993	29.3 °C	384 mm	335
1992	41.6 °C9 May 1992	15.4 °C28 January 1992	28.6 °C	482 mm	332
1991	43.2 °C11 June 1991	15.6 °C5 January 1991	29.2 °C	438 mm	340
1990	42.9 °C15 May 1990	13.8 °C24 January 1990	29.4 °C	411 mm	339
1989	41.7 °C9 April 1989	13.2 °C4 January 1989	28.8 °C	554 mm	339
1988	43.3 °C30 May 1988	12.1 °C12 December 1988	28.8 °C	640 mm	309
1987	44.2 °C21 May 1987	14.4 °C28 December 1987	29.9 °C	424 mm	349
1986	42.6 °C16 April 1986	11.2 °C21 January 1986	28.6 °C	520 mm	315
1985	42.6 °C26 May 1985	12.4 °C15 December 1985	28.7 °C	491 mm	317
1984	42.0 °C12 June 1984	12.7 °C8 January 1984	29.0 °C	460 mm	331
1983	43.2 °C3 May 1983	13.0 °C31 December 1983	29.3 °C	362 mm	332
1982	41.5 °C21 May 1982	11.4 °C11 January 1982	28.6 °C	365 mm	329
1981	42.7 °C27 April 1981	13.5 °C7 January 1981	28.8 °C	544 mm	332
1980	43.5 °C12 May 1980	11.2 °C20 December 1980	29.5 °C	502 mm	335
1979	42.6 °C6 May 1979	14.6 °C1 March 1979	28.5 °C	606 mm	334
1978	42.4 °C21 May 1978	14.0 °C16 December 1978	28.2 °C	795 mm	332
1977	42.9 °C7 April 1977	11.3 °C29 December 1977	28.9 °C	329 mm	348
1976	41.5 °C16 May 1976	12.1 °C12 January 1976	27.5 °C	609 mm	315
1975	43.0 °C2 June 1975	12.6 °C14 January 1975	27.7 °C	624 mm	304
1974	42.0 °C23 May 1974	14.4 °C17 December 1974	27.9 °C	590 mm	283
1973	44.5 °C27 April 1973	12.4 °C21 January 1973	28.8 °C	481 mm	324
1972	42.4 °C2 May 1972	13.9 °C21 January 1972	28.6 °C	591 mm	343
1971	42.3 °C6 May 1971	12.4 °C15 January 1971	28.4 °C	572 mm	331
1970	42.9 °C14 May 1970	12.6 °C5 December 1970	28.4 °C	748 mm	338
1969	42.8 °C2 May 1969	14.3 °C30 November 1969	28.7 °C	688 mm	337
1968	41.9 °C5 April 1968	10.3 °C20 January 1968	28.2 °C	739 mm	332
1967	42.5 °C6 June 1967	11.9 °C22 December 1967	27.6 °C	701 mm	303
1966	43.5 °C6 May 1966	10.7 °C4 January 1966	28.4 °C	518 mm	349
1965	42.1 °C5 May 1965	11.2 °C15 January 1965	27.6 °C	607 mm	313
1964	41.8 °C13 March 1964	13.1 °C17 January 1964	27.7 °C	673 mm	323
1963	42.7 °C2 June 1963	10.4 °C11 January 1963	28.0 °C	493 mm	344
1962	42.7 °C20 May 1962	11.3 °C19 December 1962	27.6 °C	699 mm	313
1961	43.5 °C19 May 1961	10.9 °C30 January 1961	27.8 °C	487 mm	322
1960	42.2 °C21 April 1960	11.7 °C28 December 1960	28.0 °C	476 mm	321
1959	42.0 °C12 April 1959	11.7 °C1 January 1959	27.5 °C	631 mm	308
1958	41.4 °C29 March 1958	12.1 °C30 December 1958	28.1 °C	714 mm	313
1957	40.9 °C12 May 1957	11.2 °C14 January 1957	27.1 °C	759 mm	297
1956	42.2 °C2 May 1956	11.3 °C30 December 1956	27.3 °C	730 mm	296
1955	41.6 °C20 April 1955	12.7 °C31 December 1955	27.2 °C	607 mm	317
1954	42.1 °C13 April 1954	12.9 °C1 January 1954	27.3 °C	634 mm	297
1953	41.8 °C28 April 1953	12.0 °C30 December 1953	27.8 °C	556 mm	323
1952	41.7 °C29 March 1952	11.8 °C10 January 1952	27.0 °C	698 mm	299
1951	41.8 °C29 April 1951	13.9 °C9 December 1951	27.5 °C	760 mm	327
1950	41.6 °C8 April 1950	13.1 °C15 January 1950	27.1 °C	654 mm	298
1949	42.4 °C11 May 1949	12.4 °C1 January 1949	28.3 °C	456 mm	326
1948	41.7 °C20 May 1948	9.8 °C16 January 1948	26.8 °C	625 mm	299
1947	42.0 °C27 May 1947	11.9 °C1 January 1947	27.1 °C	831 mm	278
1946	42.6 °C8 May 1946	11.4 °C29 December 1946	27.6 °C	448 mm	311
1945	41.7 °C10 June 1945	13.0 °C5 January 1945	26.9 °C	658 mm	298
1944	43.3 °C29 May 1944	11.5 °C19 December 1944	27.6 °C	873 mm	297
1943	41.8 °C19 April 1943	11.6 °C6 January 1943	26.4 °C	606 mm	279
1942	43.5 °C12 June 1942	12.5 °C27 January 1942	27.6 °C	566 mm	295
1941	42.7 °C14 May 1941	13.3 °C2 January 1941	29.3 °C	270 mm	353
1940	41.5 °C18 June 1940	13.3 °C2 February 1940	28.5 °C	302 mm	351

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

35.6 °C

+0.8 °C

Hot days (≥ 30 °C)

336 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

398 mm

-136 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.7 °C	+0.3 °C	0 mm	-1 mm
Feb	34.3 °C	-0.2 °C	0 mm	-0 mm
Mar	40.2 °C	+2.7 °C	2 mm	+1 mm
Apr	41.1 °C	+1.7 °C	2 mm	-3 mm
May	39.4 °C	+0.1 °C	2 mm	-16 mm
Jun	37.6 °C	+0.7 °C	15 mm	-29 mm
Jul	33.3 °C	+0.4 °C	85 mm	-51 mm
Aug	31.2 °C	+0.3 °C	158 mm	-33 mm
Sep	32.6 °C	+0.5 °C	123 mm	+12 mm
Oct	37.2 °C	+1.8 °C	10 mm	-15 mm
Nov	36.6 °C	+1.5 °C	0 mm	-1 mm
Dec	31.9 °C	+0.1 °C	2 mm	+1 mm

The year's extremes

Hottest day

43.8 °C

19 Apr 2025

Coldest day

15.5 °C

20 Jan 2025

Wettest day

39.9 mm

5 Sep 2025

Windiest day

26.9 km/h

23 Jul 2025

Strongest gust

51.8 km/h

31 Mar 2025

Hottest feels-like

46.9 °C

25 Apr 2025

Coldest feels-like

11.9 °C

20 Jan 2025

Sunniest day

12.8 h

21 Jun 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 Diourou?

Diourou has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.5 °C and it receives 534 mm of precipitation per year.

What is the hottest day ever recorded in Diourou?

The hottest day measured in Diourou between 1940 and 2025 was 11 May 2024, reaching 45.0 °C.

What is the coldest day in Diourou?

The coldest day measured in Diourou between 1940 and 2025 was 16 January 1948, at 9.8 °C.

Does it snow in Diourou?

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

Has the climate of Diourou warmed?

Yes: Diourou warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Diourou?

The wettest day measured in Diourou between 1940 and 2025 was 20 September 1970, with 191 mm of rain in 24 hours.

What was the windiest day in Diourou?

The windiest day measured in Diourou between 1940 and 2025 was 25 June 1974, with winds reaching 33.0 km/h.

What is the warmest month in Diourou?

The warmest month in Diourou is May (33.3 °C on average); the coldest is January (24.0 °C).

How much does it rain in Diourou?

Diourou receives on average 534 mm of precipitation per year, spread over about 76 rainy days.

Is it sunny in Diourou?

Diourou gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

Are there tropical nights in Diourou?

Yes: Diourou has on average 284 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Diourou?

In Diourou, between 1940 and 2025, the highest apparent temperature reached 48.1 °C on 11 May 2024, and the lowest was 6.1 °C on 16 January 1948.

Compare Diourou with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Diourou

Other cities — Mali

All cities in Mali →