Niamey climate — normals and trends

Q: What is the climate of Niamey?

Niamey has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 28.8 °C and it receives 323 mm of precipitation per year.

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

The hottest day measured in Niamey between 1940 and 2025 was 3 April 2024, reaching 45.1 °C.

Q: What is the coldest day in Niamey?

The coldest day measured in Niamey between 1940 and 2025 was 13 January 1957, at 8.4 °C.

Q: Does it snow in Niamey?

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

Q: Has the climate of Niamey warmed?

Yes: Niamey warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Niamey?

The wettest day measured in Niamey between 1940 and 2025 was 18 August 1952, with 112 mm of rain in 24 hours.

Q: What was the windiest day in Niamey?

The windiest day measured in Niamey between 1940 and 2025 was 5 June 2022, with winds reaching 36.9 km/h.

Q: What is the warmest month in Niamey?

The warmest month in Niamey is May (33.9 °C on average); the coldest is January (23.5 °C).

Q: How much does it rain in Niamey?

Niamey receives on average 323 mm of precipitation per year, spread over about 53 rainy days.

Q: Is it sunny in Niamey?

Niamey gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.

Niamey (Niger) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 28.8 °C and it receives 323 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 (33.9 °C on average) and the coldest is January (23.5 °C). Rainfall peaks in August.

Niamey averages 0 frost days, 335 hot days (≥ 30 °C) and 53 rainy days per year.

Niamey has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.

The hottest day of the period reached 45.1 °C (on 3 April 2024) and the coldest 8.4 °C (on 13 January 1957).

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

NiameyNiamey

coords: 13.51°, 2.11°
period: 1940–2025 · 86 yrs

BWhHot desertWarmest monthMayColdest monthJanuaryWettest monthAugustDriest monthJanuary

Mean daily temperature

28.8°C

Average daily high

35.4°C

Average daily low

22.7°C

Annual rainfall

323mm

Sunshine / day

11.1h

Mean relative humidity

40%

Average peak wind

18.1km/h

Seasonal range

10.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

335 d/yr

Rainy days (≥ 1 mm)

53 d/yr

Annual snowfall

0.0 cm

Average feels-like high

36.0 °C

Average feels-like low

22.1 °C

Average peak gust

34.3 km/h

Tropical nights (≥ 20 °C)

261 d/yr

Solar radiation

22.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.2 °C

since 1940

+0.3 °C per decade · r² = 0.67 · 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

45.1 °C

3 April 2024

Coldest day

8.4 °C

13 January 1957

Wettest day

112 mm

18 August 1952

Windiest day

36.9 km/h

5 June 2022

Strongest gust

67.7 km/h

5 June 2014

Hottest feels-like

48.0 °C

5 May 2024

Coldest feels-like

3.8 °C

13 January 1957

Sunniest day

12.2 h

3 June 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	44.9 °C12 May 2025	14.4 °C13 January 2025	30.1 °C	222 mm	351
2024	45.1 °C3 April 2024	14.2 °C20 December 2024	29.7 °C	368 mm	338
2023	43.3 °C9 May 2023	13.6 °C14 January 2023	30.2 °C	191 mm	351
2022	43.7 °C7 April 2022	14.4 °C19 January 2022	29.4 °C	215 mm	336
2021	43.5 °C2 May 2021	15.1 °C23 January 2021	30.1 °C	152 mm	356
2020	43.9 °C25 April 2020	13.7 °C3 January 2020	29.7 °C	284 mm	341
2019	44.1 °C7 May 2019	14.2 °C22 January 2019	29.6 °C	320 mm	349
2018	43.3 °C27 April 2018	13.1 °C13 January 2018	29.6 °C	247 mm	339
2017	43.5 °C23 June 2017	13.1 °C11 January 2017	29.4 °C	336 mm	344
2016	43.7 °C1 May 2016	14.6 °C6 January 2016	29.6 °C	316 mm	340
2015	43.2 °C26 May 2015	13.2 °C13 January 2015	29.4 °C	317 mm	317
2014	42.7 °C17 April 2014	14.5 °C27 December 2014	29.7 °C	283 mm	347
2013	42.7 °C5 April 2013	12.9 °C6 January 2013	29.8 °C	258 mm	334
2012	43.1 °C28 April 2012	11.5 °C17 January 2012	29.5 °C	432 mm	340
2011	43.3 °C17 May 2011	13.0 °C14 December 2011	29.8 °C	123 mm	341
2010	44.7 °C19 April 2010	13.4 °C12 December 2010	29.9 °C	284 mm	358
2009	42.8 °C17 April 2009	13.2 °C25 January 2009	30.0 °C	190 mm	352
2008	43.2 °C21 April 2008	11.3 °C25 January 2008	28.7 °C	238 mm	326
2007	42.1 °C4 May 2007	13.4 °C14 January 2007	29.1 °C	308 mm	323
2006	42.4 °C4 May 2006	13.3 °C25 December 2006	29.3 °C	212 mm	345
2005	42.9 °C14 April 2005	14.1 °C14 January 2005	29.7 °C	245 mm	338
2004	42.6 °C12 April 2004	13.8 °C29 January 2004	29.5 °C	176 mm	347
2003	43.1 °C19 May 2003	12.9 °C7 January 2003	29.4 °C	312 mm	339
2002	42.9 °C26 May 2002	13.0 °C27 December 2002	29.4 °C	279 mm	330
2001	43.9 °C27 April 2001	13.2 °C2 January 2001	29.3 °C	266 mm	345
2000	43.2 °C10 April 2000	13.1 °C4 February 2000	29.2 °C	220 mm	328
1999	42.4 °C17 April 1999	12.6 °C29 December 1999	29.0 °C	370 mm	335
1998	43.5 °C7 May 1998	13.1 °C16 January 1998	29.3 °C	321 mm	328
1997	41.7 °C25 April 1997	13.9 °C14 December 1997	29.4 °C	214 mm	342
1996	42.3 °C5 May 1996	13.2 °C13 January 1996	29.3 °C	177 mm	365
1995	42.5 °C20 April 1995	11.8 °C8 January 1995	29.2 °C	260 mm	324
1994	43.6 °C23 April 1994	12.6 °C17 January 1994	28.8 °C	355 mm	325
1993	43.3 °C18 May 1993	12.6 °C8 January 1993	29.5 °C	192 mm	333
1992	42.3 °C7 May 1992	13.6 °C15 January 1992	28.8 °C	227 mm	326
1991	43.9 °C23 April 1991	12.2 °C24 December 1991	28.9 °C	323 mm	332
1990	43.3 °C24 April 1990	13.6 °C13 February 1990	29.4 °C	203 mm	345
1989	42.9 °C4 May 1989	10.2 °C3 January 1989	28.6 °C	248 mm	321
1988	43.7 °C12 April 1988	12.6 °C4 January 1988	29.0 °C	387 mm	328
1987	43.6 °C16 May 1987	13.8 °C12 December 1987	29.6 °C	136 mm	350
1986	43.2 °C20 April 1986	11.7 °C12 January 1986	28.9 °C	392 mm	327
1985	43.1 °C27 May 1985	12.5 °C17 December 1985	29.0 °C	288 mm	323
1984	43.8 °C13 May 1984	11.0 °C22 December 1984	29.3 °C	202 mm	328
1983	43.9 °C9 May 1983	11.5 °C30 January 1983	29.1 °C	165 mm	330
1982	43.3 °C25 April 1982	10.9 °C8 January 1982	28.9 °C	266 mm	330
1981	43.9 °C26 April 1981	12.7 °C6 January 1981	28.7 °C	312 mm	338
1980	43.7 °C4 May 1980	11.2 °C20 December 1980	29.2 °C	337 mm	343
1979	41.2 °C19 May 1979	12.2 °C19 December 1979	28.5 °C	424 mm	333
1978	41.7 °C31 March 1978	13.4 °C13 January 1978	28.7 °C	393 mm	351
1977	43.5 °C21 May 1977	10.6 °C28 December 1977	28.3 °C	249 mm	335
1976	42.0 °C11 May 1976	12.0 °C21 January 1976	28.1 °C	360 mm	337
1975	41.5 °C1 May 1975	10.2 °C22 January 1975	28.1 °C	325 mm	312
1974	41.0 °C26 May 1974	13.0 °C6 December 1974	28.4 °C	287 mm	306
1973	43.8 °C29 April 1973	11.9 °C21 January 1973	29.6 °C	214 mm	351
1972	42.9 °C21 May 1972	13.3 °C22 January 1972	29.2 °C	309 mm	358
1971	43.9 °C26 May 1971	10.6 °C14 January 1971	28.8 °C	351 mm	336
1970	42.9 °C4 May 1970	12.9 °C16 December 1970	29.0 °C	287 mm	347
1969	44.9 °C6 April 1969	12.6 °C29 November 1969	29.2 °C	410 mm	352
1968	42.2 °C17 April 1968	10.3 °C19 January 1968	28.5 °C	414 mm	353
1967	42.9 °C14 May 1967	11.8 °C27 January 1967	28.4 °C	535 mm	319
1966	44.1 °C16 May 1966	11.4 °C5 January 1966	28.8 °C	321 mm	348
1965	41.7 °C19 May 1965	11.5 °C12 December 1965	28.2 °C	340 mm	346
1964	41.9 °C14 March 1964	13.5 °C11 January 1964	28.4 °C	431 mm	329
1963	42.5 °C1 June 1963	13.1 °C10 January 1963	28.9 °C	228 mm	364
1962	42.1 °C21 May 1962	11.5 °C7 January 1962	28.5 °C	371 mm	332
1961	42.9 °C25 May 1961	11.8 °C16 December 1961	27.8 °C	292 mm	332
1960	42.2 °C20 April 1960	11.0 °C28 December 1960	28.5 °C	255 mm	333
1959	41.9 °C13 April 1959	11.5 °C30 December 1959	28.1 °C	362 mm	323
1958	42.5 °C10 April 1958	12.6 °C10 January 1958	28.6 °C	590 mm	325
1957	41.8 °C3 May 1957	8.4 °C13 January 1957	27.2 °C	569 mm	311
1956	42.7 °C29 May 1956	9.6 °C1 January 1956	27.8 °C	678 mm	289
1955	42.2 °C19 April 1955	9.9 °C31 December 1955	27.7 °C	299 mm	344
1954	42.4 °C19 May 1954	9.9 °C1 January 1954	27.8 °C	527 mm	312
1953	42.6 °C27 April 1953	10.5 °C31 December 1953	28.0 °C	373 mm	328
1952	42.5 °C24 May 1952	10.6 °C6 February 1952	27.5 °C	521 mm	321
1951	42.0 °C15 March 1951	11.3 °C30 December 1951	27.8 °C	533 mm	352
1950	42.0 °C30 May 1950	11.5 °C8 February 1950	27.3 °C	544 mm	312
1949	42.5 °C3 May 1949	11.9 °C19 January 1949	29.0 °C	219 mm	345
1948	42.3 °C23 May 1948	10.2 °C17 January 1948	27.2 °C	451 mm	315
1947	41.5 °C10 May 1947	10.0 °C20 January 1947	27.0 °C	729 mm	290
1946	43.0 °C8 May 1946	9.8 °C1 January 1946	27.8 °C	333 mm	337
1945	42.1 °C1 May 1945	10.4 °C22 December 1945	26.9 °C	500 mm	298
1944	42.8 °C9 June 1944	12.7 °C2 February 1944	27.5 °C	504 mm	313
1943	41.9 °C5 May 1943	10.1 °C23 December 1943	27.2 °C	404 mm	303
1942	42.5 °C30 April 1942	9.8 °C27 January 1942	27.9 °C	354 mm	331
1941	43.0 °C12 May 1941	10.5 °C2 January 1941	29.3 °C	191 mm	358
1940	42.1 °C6 May 1940	11.2 °C28 January 1940	28.9 °C	175 mm	364

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

36.7 °C

+1.3 °C

Hot days (≥ 30 °C)

351 d/yr

+16

Frost days (< 0 °C)

0 d/yr

Annual rainfall

222 mm

-101 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	32.9 °C	+1.6 °C	0 mm	-0 mm
Feb	35.4 °C	+1.2 °C	0 mm	-0 mm
Mar	41.2 °C	+3.4 °C	0 mm	-2 mm
Apr	41.9 °C	+1.8 °C	0 mm	-3 mm
May	41.2 °C	+1.4 °C	5 mm	-8 mm
Jun	38.0 °C	+0.7 °C	10 mm	-17 mm
Jul	33.5 °C	-0.3 °C	63 mm	-19 mm
Aug	31.7 °C	-0.1 °C	115 mm	-20 mm
Sep	34.5 °C	+0.8 °C	26 mm	-26 mm
Oct	37.9 °C	+1.0 °C	4 mm	-7 mm
Nov	37.1 °C	+1.5 °C	0 mm	-0 mm
Dec	34.9 °C	+2.7 °C	0 mm	-0 mm

The year's extremes

Hottest day

44.9 °C

12 May 2025

Coldest day

14.4 °C

13 Jan 2025

Wettest day

22.5 mm

1 Aug 2025

Windiest day

32.4 km/h

2 Jun 2025

Strongest gust

54.0 km/h

2 Jun 2025

Hottest feels-like

47.2 °C

22 May 2025

Coldest feels-like

11.2 °C

13 Jan 2025

Sunniest day

12.0 h

17 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 Niamey?

Niamey has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 28.8 °C and it receives 323 mm of precipitation per year.

What is the hottest day ever recorded in Niamey?

The hottest day measured in Niamey between 1940 and 2025 was 3 April 2024, reaching 45.1 °C.

What is the coldest day in Niamey?

The coldest day measured in Niamey between 1940 and 2025 was 13 January 1957, at 8.4 °C.

Does it snow in Niamey?

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

Has the climate of Niamey warmed?

Yes: Niamey warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Niamey?

The wettest day measured in Niamey between 1940 and 2025 was 18 August 1952, with 112 mm of rain in 24 hours.

What was the windiest day in Niamey?

The windiest day measured in Niamey between 1940 and 2025 was 5 June 2022, with winds reaching 36.9 km/h.

What is the warmest month in Niamey?

The warmest month in Niamey is May (33.9 °C on average); the coldest is January (23.5 °C).

How much does it rain in Niamey?

Niamey receives on average 323 mm of precipitation per year, spread over about 53 rainy days.

Is it sunny in Niamey?

Niamey gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.

Are there tropical nights in Niamey?

Yes: Niamey has on average 261 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Niamey?

In Niamey, between 1940 and 2025, the highest apparent temperature reached 48.0 °C on 5 May 2024, and the lowest was 3.8 °C on 13 January 1957.

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