Irewe climate — normals and trends

Q: What is the climate of Irewe?

Irewe has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 1,666 mm of precipitation per year.

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

The hottest day measured in Irewe between 1940 and 2025 was 8 February 2020, reaching 33.7 °C.

Q: What is the coldest day in Irewe?

The coldest day measured in Irewe between 1940 and 2025 was 9 January 1957, at 18.7 °C.

Q: Does it snow in Irewe?

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

Q: Has the climate of Irewe warmed?

Yes: Irewe warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Irewe?

The wettest day measured in Irewe between 1940 and 2025 was 10 September 1968, with 187 mm of rain in 24 hours.

Q: What was the windiest day in Irewe?

The windiest day measured in Irewe between 1940 and 2025 was 5 August 2002, with winds reaching 29.2 km/h.

Q: What is the warmest month in Irewe?

The warmest month in Irewe is March (27.7 °C on average); the coldest is August (24.6 °C).

Q: How much does it rain in Irewe?

Irewe receives on average 1,666 mm of precipitation per year, spread over about 263 rainy days.

Q: Is it sunny in Irewe?

Irewe gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Irewe (Nigeria) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 1,666 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 March (27.7 °C on average) and the coldest is August (24.6 °C). Rainfall peaks in June.

Irewe averages 0 frost days, 93 hot days (≥ 30 °C) and 263 rainy days per year.

Irewe has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 33.7 °C (on 8 February 2020) and the coldest 18.7 °C (on 9 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

IreweLagos

coords: 6.42°, 3.14°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthMarchColdest monthAugustWettest monthJuneDriest monthJanuary

Mean daily temperature

26.3°C

Average daily high

28.7°C

Average daily low

24.6°C

Annual rainfall

1,666mm

Sunshine / day

9.8h

Mean relative humidity

84%

Average peak wind

15.7km/h

Seasonal range

3.1°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

93 d/yr

Rainy days (≥ 1 mm)

263 d/yr

Annual snowfall

0.0 cm

Average feels-like high

33.7 °C

Average feels-like low

28.6 °C

Average peak gust

30.1 km/h

Tropical nights (≥ 20 °C)

365 d/yr

Solar radiation

16.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.82 · 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

33.7 °C

8 February 2020

Coldest day

18.7 °C

9 January 1957

Wettest day

187 mm

10 September 1968

Windiest day

29.2 km/h

5 August 2002

Strongest gust

51.5 km/h

20 August 1967

Hottest feels-like

41.0 °C

15 March 2024

Coldest feels-like

14.9 °C

9 January 1957

Sunniest day

12.0 h

18 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	32.9 °C10 January 2025	23.2 °C19 August 2025	27.2 °C	1,388 mm	178
2024	33.2 °C15 March 2024	23.2 °C21 December 2024	27.6 °C	1,263 mm	210
2023	33.0 °C16 February 2023	22.3 °C1 January 2023	27.5 °C	1,640 mm	202
2022	32.5 °C29 January 2022	21.6 °C31 January 2022	27.0 °C	1,373 mm	163
2021	32.5 °C21 December 2021	22.6 °C27 June 2021	27.3 °C	1,403 mm	176
2020	33.7 °C8 February 2020	21.2 °C3 January 2020	27.1 °C	1,242 mm	172
2019	32.8 °C1 January 2019	23.3 °C31 December 2019	27.2 °C	2,033 mm	174
2018	31.8 °C4 February 2018	21.6 °C6 January 2018	26.9 °C	1,573 mm	141
2017	32.2 °C16 March 2017	23.1 °C26 August 2017	27.0 °C	1,435 mm	175
2016	33.0 °C10 February 2016	22.4 °C30 January 2016	27.1 °C	1,552 mm	186
2015	31.8 °C18 December 2015	20.0 °C15 January 2015	26.7 °C	1,261 mm	147
2014	31.5 °C5 May 2014	22.2 °C14 August 2014	26.7 °C	1,674 mm	108
2013	31.8 °C4 January 2013	21.7 °C19 December 2013	26.7 °C	1,176 mm	116
2012	31.7 °C20 March 2012	21.7 °C14 January 2012	26.6 °C	1,664 mm	110
2011	31.8 °C28 February 2011	21.3 °C1 January 2011	26.8 °C	1,366 mm	150
2010	32.8 °C29 January 2010	22.9 °C31 December 2010	27.2 °C	1,484 mm	165
2009	31.7 °C7 December 2009	22.1 °C24 January 2009	26.8 °C	1,361 mm	143
2008	32.2 °C16 February 2008	21.1 °C27 January 2008	26.6 °C	1,539 mm	125
2007	32.6 °C13 February 2007	21.3 °C14 January 2007	26.7 °C	1,730 mm	129
2006	32.1 °C11 December 2006	22.3 °C3 September 2006	26.8 °C	1,688 mm	133
2005	32.3 °C21 January 2005	21.1 °C9 January 2005	26.7 °C	1,326 mm	140
2004	32.0 °C13 March 2004	22.4 °C25 July 2004	26.6 °C	1,441 mm	115
2003	32.3 °C24 March 2003	22.5 °C9 December 2003	26.7 °C	1,388 mm	125
2002	32.0 °C24 February 2002	21.4 °C27 December 2002	26.4 °C	1,480 mm	113
2001	32.2 °C16 February 2001	22.6 °C7 September 2001	26.5 °C	1,387 mm	107
2000	32.4 °C1 March 2000	21.8 °C2 February 2000	26.5 °C	1,463 mm	120
1999	31.5 °C9 January 1999	22.3 °C17 September 1999	26.4 °C	1,826 mm	100
1998	33.1 °C6 March 1998	21.4 °C20 January 1998	26.9 °C	1,274 mm	154
1997	31.9 °C16 February 1997	22.7 °C15 February 1997	26.4 °C	1,453 mm	85
1996	30.8 °C24 March 1996	22.6 °C24 August 1996	26.4 °C	1,810 mm	73
1995	32.0 °C24 February 1995	22.5 °C26 December 1995	26.6 °C	1,623 mm	116
1994	31.8 °C21 December 1994	21.8 °C19 December 1994	26.3 °C	1,477 mm	94
1993	31.7 °C20 February 1993	21.4 °C12 January 1993	26.4 °C	1,438 mm	86
1992	32.2 °C22 February 1992	20.4 °C6 January 1992	26.2 °C	1,346 mm	96
1991	31.3 °C10 March 1991	20.6 °C1 January 1991	26.4 °C	1,663 mm	82
1990	32.3 °C10 March 1990	21.9 °C19 August 1990	26.4 °C	1,397 mm	81
1989	32.1 °C29 January 1989	20.2 °C3 January 1989	26.2 °C	1,684 mm	100
1988	31.7 °C5 April 1988	22.2 °C27 December 1988	26.5 °C	1,965 mm	95
1987	31.7 °C12 March 1987	22.8 °C28 September 1987	26.8 °C	1,766 mm	125
1986	31.8 °C3 February 1986	21.3 °C21 December 1986	26.1 °C	1,400 mm	78
1985	31.3 °C20 February 1985	21.7 °C18 December 1985	26.1 °C	1,695 mm	77
1984	32.0 °C16 March 1984	22.2 °C13 December 1984	26.3 °C	1,388 mm	84
1983	32.4 °C7 March 1983	20.4 °C19 January 1983	26.3 °C	1,189 mm	117
1982	31.3 °C6 February 1982	22.2 °C7 August 1982	26.2 °C	1,493 mm	67
1981	31.4 °C17 February 1981	22.4 °C4 January 1981	26.3 °C	1,842 mm	76
1980	32.0 °C7 April 1980	21.8 °C21 December 1980	26.3 °C	2,310 mm	73
1979	31.4 °C27 March 1979	22.0 °C12 December 1979	26.3 °C	2,043 mm	70
1978	31.2 °C23 February 1978	21.6 °C31 July 1978	25.9 °C	1,809 mm	38
1977	31.5 °C26 March 1977	21.5 °C26 December 1977	26.1 °C	1,618 mm	51
1976	30.9 °C21 January 1976	21.9 °C2 December 1976	25.6 °C	1,859 mm	27
1975	31.2 °C20 February 1975	21.4 °C1 January 1975	25.7 °C	1,860 mm	45
1974	31.2 °C11 February 1974	20.6 °C29 December 1974	25.9 °C	1,947 mm	45
1973	32.5 °C7 March 1973	22.5 °C1 August 1973	26.5 °C	2,084 mm	112
1972	32.2 °C21 December 1972	22.0 °C14 August 1972	26.2 °C	1,825 mm	94
1971	32.1 °C25 April 1971	20.7 °C20 December 1971	25.9 °C	2,376 mm	62
1970	31.6 °C18 February 1970	22.3 °C4 December 1970	26.2 °C	1,924 mm	98
1969	32.0 °C21 February 1969	22.4 °C20 July 1969	26.2 °C	1,957 mm	85
1968	31.3 °C11 April 1968	20.5 °C18 January 1968	25.9 °C	2,529 mm	44
1967	31.6 °C14 March 1967	21.7 °C4 January 1967	25.9 °C	1,844 mm	66
1966	33.1 °C6 February 1966	20.9 °C5 January 1966	26.3 °C	1,662 mm	97
1965	30.9 °C1 March 1965	22.4 °C5 August 1965	25.9 °C	1,756 mm	37
1964	31.6 °C30 March 1964	21.4 °C3 August 1964	26.0 °C	1,344 mm	95
1963	32.1 °C14 March 1963	22.3 °C11 March 1963	26.1 °C	2,035 mm	64
1962	31.8 °C4 February 1962	20.9 °C8 February 1962	25.8 °C	1,833 mm	68
1961	32.0 °C8 March 1961	21.3 °C15 August 1961	26.0 °C	1,616 mm	69
1960	32.1 °C15 February 1960	21.8 °C3 January 1960	25.9 °C	1,699 mm	54
1959	32.7 °C2 February 1959	21.4 °C15 August 1959	25.9 °C	1,304 mm	65
1958	32.1 °C16 February 1958	21.3 °C22 July 1958	25.8 °C	1,488 mm	53
1957	30.9 °C8 February 1957	18.7 °C9 January 1957	25.5 °C	2,418 mm	12
1956	30.7 °C10 January 1956	21.1 °C10 August 1956	25.4 °C	1,776 mm	14
1955	31.3 °C19 February 1955	21.6 °C30 December 1955	25.7 °C	1,898 mm	47
1954	31.0 °C9 February 1954	20.9 °C31 July 1954	25.6 °C	1,480 mm	14
1953	31.0 °C13 December 1953	21.5 °C3 December 1953	25.9 °C	1,748 mm	41
1952	31.4 °C3 March 1952	21.9 °C8 August 1952	25.9 °C	2,199 mm	60
1951	31.3 °C22 December 1951	22.5 °C19 August 1951	25.9 °C	2,128 mm	63
1950	31.7 °C15 February 1950	21.4 °C2 September 1950	25.6 °C	2,221 mm	48
1949	31.5 °C17 February 1949	21.9 °C15 August 1949	26.0 °C	1,510 mm	64
1948	32.3 °C20 March 1948	21.4 °C5 January 1948	25.8 °C	1,597 mm	62
1947	31.6 °C21 February 1947	21.8 °C21 January 1947	25.9 °C	2,298 mm	66
1946	32.8 °C23 February 1946	21.2 °C1 January 1946	25.7 °C	1,293 mm	96
1945	32.7 °C14 February 1945	20.3 °C5 February 1945	25.8 °C	1,444 mm	96
1944	33.6 °C4 February 1944	21.7 °C31 January 1944	25.8 °C	1,929 mm	73
1943	31.0 °C20 February 1943	20.3 °C18 August 1943	25.4 °C	1,710 mm	10
1942	31.1 °C7 March 1942	21.5 °C24 July 1942	25.7 °C	1,494 mm	27
1941	31.1 °C28 December 1941	22.5 °C13 September 1941	25.8 °C	1,659 mm	28
1940	30.8 °C5 March 1940	21.7 °C5 August 1940	25.7 °C	1,736 mm	22

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

29.4 °C

+0.7 °C

Hot days (≥ 30 °C)

178 d/yr

+85

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1388 mm

-278 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.4 °C	+1.7 °C	16 mm	-24 mm
Feb	31.2 °C	+0.9 °C	37 mm	-23 mm
Mar	31.2 °C	+0.9 °C	74 mm	-36 mm
Apr	30.9 °C	+1.0 °C	82 mm	-62 mm
May	30.2 °C	+1.0 °C	176 mm	-39 mm
Jun	28.8 °C	+1.0 °C	256 mm	-20 mm
Jul	27.0 °C	+0.4 °C	150 mm	-63 mm
Aug	26.5 °C	+0.1 °C	113 mm	-12 mm
Sep	27.7 °C	+0.6 °C	182 mm	+12 mm
Oct	28.7 °C	+0.5 °C	172 mm	+2 mm
Nov	29.9 °C	+0.7 °C	74 mm	-19 mm
Dec	30.0 °C	+0.4 °C	56 mm	+6 mm

The year's extremes

Hottest day

32.9 °C

10 Jan 2025

Coldest day

23.2 °C

19 Aug 2025

Wettest day

35.3 mm

4 Aug 2025

Windiest day

26.8 km/h

12 Jul 2025

Strongest gust

49.3 km/h

31 Jul 2025

Hottest feels-like

39.3 °C

5 Jan 2025

Coldest feels-like

25.3 °C

12 Jan 2025

Sunniest day

12.0 h

28 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 Irewe?

Irewe has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 1,666 mm of precipitation per year.

What is the hottest day ever recorded in Irewe?

The hottest day measured in Irewe between 1940 and 2025 was 8 February 2020, reaching 33.7 °C.

What is the coldest day in Irewe?

The coldest day measured in Irewe between 1940 and 2025 was 9 January 1957, at 18.7 °C.

Does it snow in Irewe?

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

Has the climate of Irewe warmed?

Yes: Irewe warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Irewe?

The wettest day measured in Irewe between 1940 and 2025 was 10 September 1968, with 187 mm of rain in 24 hours.

What was the windiest day in Irewe?

The windiest day measured in Irewe between 1940 and 2025 was 5 August 2002, with winds reaching 29.2 km/h.

What is the warmest month in Irewe?

The warmest month in Irewe is March (27.7 °C on average); the coldest is August (24.6 °C).

How much does it rain in Irewe?

Irewe receives on average 1,666 mm of precipitation per year, spread over about 263 rainy days.

Is it sunny in Irewe?

Irewe gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.

Are there tropical nights in Irewe?

Yes: Irewe has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Irewe?

In Irewe, between 1940 and 2025, the highest apparent temperature reached 41.0 °C on 15 March 2024, and the lowest was 14.9 °C on 9 January 1957.

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