Ilesa climate — normals and trends

Q: What is the climate of Ilesa?

Ilesa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 1,418 mm of precipitation per year.

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

The hottest day measured in Ilesa between 1940 and 2025 was 13 February 2024, reaching 40.0 °C.

Q: What is the coldest day in Ilesa?

The coldest day measured in Ilesa between 1940 and 2025 was 14 January 1957, at 14.1 °C.

Q: Does it snow in Ilesa?

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

Q: Has the climate of Ilesa warmed?

Yes: Ilesa warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ilesa?

The wettest day measured in Ilesa between 1940 and 2025 was 13 September 1960, with 144 mm of rain in 24 hours.

Q: What was the windiest day in Ilesa?

The windiest day measured in Ilesa between 1940 and 2025 was 29 July 2000, with winds reaching 20.6 km/h.

Q: What is the warmest month in Ilesa?

The warmest month in Ilesa is February (26.9 °C on average); the coldest is August (22.9 °C).

Q: How much does it rain in Ilesa?

Ilesa receives on average 1,418 mm of precipitation per year, spread over about 214 rainy days.

Q: Is it sunny in Ilesa?

Ilesa gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

Ilesa (Nigeria) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.8 °C and it receives 1,418 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 February (26.9 °C on average) and the coldest is August (22.9 °C). Rainfall peaks in September.

Ilesa averages 0 frost days, 185 hot days (≥ 30 °C) and 214 rainy days per year.

Ilesa has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.0 °C (on 13 February 2024) and the coldest 14.1 °C (on 14 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

IlesaOsun State

coords: 7.63°, 4.74°
period: 1940–2025 · 86 yrs

AwTropical savannaWarmest monthFebruaryColdest monthAugustWettest monthSeptemberDriest monthJanuary

Mean daily temperature

24.8°C

Average daily high

30.2°C

Average daily low

21.6°C

Annual rainfall

1,418mm

Sunshine / day

8.6h

Mean relative humidity

81%

Average peak wind

11.1km/h

Seasonal range

4.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

185 d/yr

Rainy days (≥ 1 mm)

214 d/yr

Annual snowfall

0.0 cm

Average feels-like high

34.1 °C

Average feels-like low

24.6 °C

Average peak gust

27.7 km/h

Tropical nights (≥ 20 °C)

334 d/yr

Solar radiation

17.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.77 · 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

40.0 °C

13 February 2024

Coldest day

14.1 °C

14 January 1957

Wettest day

144 mm

13 September 1960

Windiest day

20.6 km/h

29 July 2000

Strongest gust

51.8 km/h

9 May 1995

Hottest feels-like

43.4 °C

28 March 2024

Coldest feels-like

10.2 °C

9 January 1957

Sunniest day

12.1 h

22 May 1967

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.8 °C3 March 2025	18.3 °C13 January 2025	26.1 °C	1,256 mm	234
2024	40.0 °C13 February 2024	17.2 °C18 January 2024	26.6 °C	1,023 mm	252
2023	38.1 °C24 February 2023	17.3 °C18 January 2023	26.2 °C	1,193 mm	274
2022	38.3 °C10 February 2022	17.6 °C25 November 2022	25.8 °C	1,259 mm	233
2021	38.7 °C5 March 2021	17.9 °C24 January 2021	26.1 °C	1,087 mm	258
2020	38.8 °C22 February 2020	16.0 °C3 January 2020	25.8 °C	1,226 mm	229
2019	36.6 °C20 February 2019	16.3 °C25 December 2019	25.6 °C	1,670 mm	214
2018	38.8 °C4 February 2018	16.3 °C6 January 2018	25.4 °C	1,417 mm	212
2017	37.7 °C24 February 2017	17.9 °C2 January 2017	25.6 °C	1,393 mm	232
2016	38.2 °C17 February 2016	17.4 °C29 December 2016	25.8 °C	1,666 mm	232
2015	36.0 °C22 January 2015	17.2 °C13 January 2015	25.5 °C	1,396 mm	220
2014	36.0 °C23 February 2014	16.2 °C27 December 2014	25.2 °C	1,518 mm	198
2013	36.3 °C8 February 2013	15.5 °C5 January 2013	25.2 °C	1,275 mm	187
2012	36.6 °C21 March 2012	16.0 °C26 December 2012	25.1 °C	1,561 mm	201
2011	36.5 °C30 January 2011	15.7 °C4 December 2011	25.4 °C	1,408 mm	218
2010	37.4 °C27 February 2010	15.7 °C12 December 2010	25.8 °C	1,447 mm	220
2009	35.2 °C20 February 2009	16.4 °C20 November 2009	25.3 °C	1,303 mm	207
2008	36.4 °C14 February 2008	16.4 °C25 January 2008	25.1 °C	1,422 mm	203
2007	37.5 °C5 March 2007	16.9 °C22 December 2007	25.1 °C	1,556 mm	191
2006	36.6 °C8 February 2006	16.9 °C30 December 2006	25.3 °C	1,509 mm	205
2005	36.4 °C24 January 2005	16.0 °C14 January 2005	25.4 °C	1,401 mm	200
2004	35.8 °C10 February 2004	18.4 °C14 January 2004	25.1 °C	1,418 mm	182
2003	36.5 °C24 March 2003	14.8 °C9 December 2003	25.2 °C	1,228 mm	198
2002	35.8 °C4 February 2002	16.9 °C28 December 2002	25.1 °C	1,514 mm	191
2001	36.8 °C16 February 2001	17.4 °C11 January 2001	25.2 °C	1,257 mm	200
2000	38.1 °C7 March 2000	16.3 °C17 December 2000	25.1 °C	1,349 mm	202
1999	36.0 °C5 February 1999	15.3 °C15 December 1999	24.8 °C	1,752 mm	184
1998	38.3 °C5 February 1998	16.3 °C17 December 1998	25.6 °C	1,237 mm	225
1997	36.6 °C22 February 1997	17.9 °C22 January 1997	24.9 °C	1,385 mm	174
1996	36.1 °C23 February 1996	18.9 °C7 November 1996	24.9 °C	1,582 mm	196
1995	37.4 °C24 February 1995	16.9 °C27 December 1995	25.0 °C	1,650 mm	191
1994	36.1 °C22 December 1994	16.4 °C16 January 1994	24.8 °C	1,543 mm	178
1993	35.5 °C26 January 1993	16.7 °C13 January 1993	24.8 °C	1,438 mm	193
1992	37.6 °C22 February 1992	16.8 °C5 January 1992	24.6 °C	1,320 mm	163
1991	36.1 °C4 March 1991	17.3 °C1 January 1991	24.7 °C	1,466 mm	153
1990	37.2 °C16 March 1990	18.6 °C13 February 1990	24.9 °C	1,376 mm	178
1989	37.2 °C25 February 1989	15.9 °C20 January 1989	24.6 °C	1,414 mm	185
1988	35.8 °C4 February 1988	16.6 °C24 December 1988	24.8 °C	1,616 mm	175
1987	36.6 °C2 March 1987	17.7 °C21 December 1987	25.4 °C	1,388 mm	235
1986	35.3 °C3 February 1986	15.4 °C8 December 1986	24.4 °C	1,567 mm	171
1985	35.9 °C7 March 1985	16.1 °C4 December 1985	24.5 °C	1,616 mm	170
1984	35.4 °C16 February 1984	16.8 °C18 January 1984	24.8 °C	1,394 mm	178
1983	37.3 °C23 March 1983	17.0 °C6 January 1983	25.0 °C	1,241 mm	191
1982	34.7 °C6 February 1982	15.7 °C6 January 1982	24.6 °C	1,363 mm	170
1981	37.2 °C14 February 1981	16.0 °C3 December 1981	24.7 °C	1,462 mm	193
1980	36.0 °C2 February 1980	16.7 °C15 December 1980	24.7 °C	1,646 mm	175
1979	35.6 °C6 March 1979	14.4 °C12 December 1979	24.8 °C	1,666 mm	176
1978	36.7 °C24 February 1978	17.3 °C10 January 1978	24.5 °C	1,476 mm	159
1977	36.1 °C24 February 1977	16.2 °C25 December 1977	24.6 °C	1,325 mm	180
1976	35.9 °C28 January 1976	16.3 °C3 December 1976	24.0 °C	1,514 mm	135
1975	35.0 °C27 January 1975	15.2 °C10 December 1975	24.0 °C	1,589 mm	146
1974	34.8 °C11 February 1974	16.0 °C9 January 1974	24.3 °C	1,537 mm	167
1973	37.6 °C27 January 1973	16.7 °C29 November 1973	25.0 °C	1,533 mm	200
1972	36.1 °C21 December 1972	17.5 °C1 January 1972	24.7 °C	1,464 mm	183
1971	36.4 °C17 February 1971	14.6 °C25 December 1971	24.3 °C	1,726 mm	186
1970	36.7 °C9 February 1970	14.8 °C12 December 1970	24.7 °C	1,697 mm	195
1969	37.5 °C18 February 1969	17.6 °C31 January 1969	24.6 °C	1,333 mm	172
1968	35.1 °C7 February 1968	15.2 °C19 January 1968	24.2 °C	1,845 mm	144
1967	35.8 °C4 February 1967	14.9 °C2 January 1967	24.3 °C	1,362 mm	144
1966	38.0 °C16 March 1966	15.7 °C23 December 1966	24.9 °C	1,235 mm	200
1965	34.9 °C6 March 1965	18.7 °C8 December 1965	24.5 °C	1,276 mm	185
1964	37.3 °C8 March 1964	16.0 °C16 January 1964	24.7 °C	968 mm	196
1963	36.3 °C5 February 1963	16.9 °C11 March 1963	24.7 °C	1,455 mm	179
1962	36.8 °C3 February 1962	15.4 °C6 January 1962	24.3 °C	1,330 mm	143
1961	36.5 °C4 March 1961	14.7 °C12 December 1961	24.5 °C	1,228 mm	191
1960	35.6 °C15 February 1960	14.7 °C3 January 1960	24.4 °C	1,602 mm	175
1959	35.1 °C3 February 1959	15.9 °C23 January 1959	24.3 °C	1,406 mm	159
1958	35.6 °C26 February 1958	17.2 °C18 February 1958	24.3 °C	1,175 mm	152
1957	35.7 °C19 February 1957	14.1 °C14 January 1957	23.7 °C	1,674 mm	117
1956	36.0 °C8 February 1956	15.4 °C19 December 1956	23.8 °C	1,493 mm	131
1955	35.4 °C4 January 1955	15.2 °C31 December 1955	24.1 °C	1,477 mm	168
1954	35.6 °C9 February 1954	16.7 °C23 January 1954	23.9 °C	1,404 mm	148
1953	36.1 °C6 March 1953	16.1 °C1 December 1953	24.3 °C	1,183 mm	163
1952	36.5 °C3 March 1952	16.3 °C7 January 1952	24.2 °C	1,355 mm	158
1951	34.9 °C27 January 1951	15.5 °C21 December 1951	24.2 °C	1,554 mm	161
1950	35.8 °C16 February 1950	17.0 °C13 February 1950	23.9 °C	1,363 mm	149
1949	37.1 °C16 February 1949	15.8 °C31 December 1949	24.3 °C	1,148 mm	152
1948	36.9 °C21 February 1948	16.5 °C9 March 1948	24.3 °C	1,412 mm	164
1947	37.5 °C30 January 1947	16.4 °C16 January 1947	24.3 °C	1,737 mm	171
1946	38.2 °C23 February 1946	16.0 °C1 January 1946	24.3 °C	1,255 mm	173
1945	37.5 °C6 April 1945	15.5 °C24 December 1945	24.6 °C	1,144 mm	205
1944	36.5 °C11 February 1944	16.2 °C6 February 1944	24.2 °C	1,473 mm	192
1943	36.4 °C20 February 1943	16.7 °C24 December 1943	23.8 °C	1,179 mm	159
1942	35.2 °C5 February 1942	17.5 °C17 July 1942	24.1 °C	1,307 mm	155
1941	35.2 °C14 February 1941	15.4 °C27 December 1941	24.1 °C	1,435 mm	139
1940	34.4 °C23 February 1940	18.7 °C4 August 1940	24.1 °C	1,388 mm	150

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

31.6 °C

+1.4 °C

Hot days (≥ 30 °C)

234 d/yr

+49

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1256 mm

-162 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	35.5 °C	+2.4 °C	1 mm	-15 mm
Feb	36.2 °C	+2.4 °C	31 mm	-5 mm
Mar	35.1 °C	+2.3 °C	51 mm	-37 mm
Apr	32.9 °C	+1.8 °C	80 mm	-40 mm
May	30.9 °C	+1.3 °C	220 mm	+59 mm
Jun	29.4 °C	+1.2 °C	159 mm	-28 mm
Jul	27.4 °C	+0.5 °C	156 mm	-18 mm
Aug	27.2 °C	+0.4 °C	190 mm	+25 mm
Sep	28.7 °C	+1.0 °C	173 mm	-34 mm
Oct	29.9 °C	+1.0 °C	156 mm	-41 mm
Nov	32.6 °C	+1.8 °C	33 mm	-20 mm
Dec	34.0 °C	+1.8 °C	6 mm	-10 mm

The year's extremes

Hottest day

37.8 °C

3 Mar 2025

Coldest day

18.3 °C

13 Jan 2025

Wettest day

109.0 mm

29 May 2025

Windiest day

18.3 km/h

18 Mar 2025

Strongest gust

43.6 km/h

3 Mar 2025

Hottest feels-like

42.3 °C

3 Mar 2025

Coldest feels-like

15.6 °C

13 Jan 2025

Sunniest day

12.0 h

15 Jul 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 Ilesa?

Ilesa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 1,418 mm of precipitation per year.

What is the hottest day ever recorded in Ilesa?

The hottest day measured in Ilesa between 1940 and 2025 was 13 February 2024, reaching 40.0 °C.

What is the coldest day in Ilesa?

The coldest day measured in Ilesa between 1940 and 2025 was 14 January 1957, at 14.1 °C.

Does it snow in Ilesa?

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

Has the climate of Ilesa warmed?

Yes: Ilesa warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ilesa?

The wettest day measured in Ilesa between 1940 and 2025 was 13 September 1960, with 144 mm of rain in 24 hours.

What was the windiest day in Ilesa?

The windiest day measured in Ilesa between 1940 and 2025 was 29 July 2000, with winds reaching 20.6 km/h.

What is the warmest month in Ilesa?

The warmest month in Ilesa is February (26.9 °C on average); the coldest is August (22.9 °C).

How much does it rain in Ilesa?

Ilesa receives on average 1,418 mm of precipitation per year, spread over about 214 rainy days.

Is it sunny in Ilesa?

Ilesa gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

Are there tropical nights in Ilesa?

Yes: Ilesa has on average 334 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ilesa?

In Ilesa, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 28 March 2024, and the lowest was 10.2 °C on 9 January 1957.

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