Ilorin climate — normals and trends
Ilorin (Nigeria) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 759 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 (29.1 °C on average) and the coldest is August (24.2 °C). Rainfall peaks in September.
Ilorin averages 0 frost days, 266 hot days (≥ 30 °C) and 132 rainy days per year.
Ilorin has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.0 °C (on 13 February 2024) and the coldest 13.3 °C (on 23 December 1945).
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
IlorinKwara State
- coords
- 8.50°, 4.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
32.4°C
Average daily low
22.2°C
Annual rainfall
759mm
Sunshine / day
9.6h
Mean relative humidity
69%
Average peak wind
13.1km/h
Seasonal range
4.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
266 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.7 °C
Average feels-like low
24.6 °C
Average peak gust
30.4 km/h
Tropical nights (≥ 20 °C)
327 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.71 · p = < 0.001
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
41.0 °C
13 February 2024
Coldest day
13.3 °C
23 December 1945
Wettest day
127 mm
9 September 2020
Windiest day
24.6 km/h
28 February 1950
Strongest gust
56.2 km/h
5 August 1950
Hottest feels-like
45.9 °C
2 April 2024
Coldest feels-like
10.0 °C
9 January 1957
Sunniest day
12.1 h
23 May 1944
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 35.9 °C | +1.6 °C | 0 mm | -2 mm |
| Feb | 37.6 °C | +1.7 °C | 6 mm | -1 mm |
| Mar | 38.5 °C | +2.2 °C | 2 mm | -25 mm |
| Apr | 37.0 °C | +2.0 °C | 24 mm | -32 mm |
| May | 34.1 °C | +1.1 °C | 97 mm | +11 mm |
| Jun | 31.5 °C | +0.9 °C | 56 mm | -48 mm |
| Jul | 29.2 °C | +0.5 °C | 135 mm | +22 mm |
| Aug | 28.4 °C | +0.3 °C | 121 mm | -11 mm |
| Sep | 30.2 °C | +1.3 °C | 133 mm | -12 mm |
| Oct | 31.9 °C | +1.3 °C | 73 mm | -3 mm |
| Nov | 35.8 °C | +2.4 °C | 1 mm | -8 mm |
| Dec | 36.4 °C | +2.3 °C | 0 mm | -2 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Ilorin?
Ilorin has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 759 mm of precipitation per year.
What is the hottest day ever recorded in Ilorin?
The hottest day measured in Ilorin between 1940 and 2025 was 13 February 2024, reaching 41.0 °C.
What is the coldest day in Ilorin?
The coldest day measured in Ilorin between 1940 and 2025 was 23 December 1945, at 13.3 °C.
Does it snow in Ilorin?
Almost never: Ilorin sees virtually no snow, with about 0 frost days per year.
Has the climate of Ilorin warmed?
Yes: Ilorin warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ilorin?
The wettest day measured in Ilorin between 1940 and 2025 was 9 September 2020, with 127 mm of rain in 24 hours.
What was the windiest day in Ilorin?
The windiest day measured in Ilorin between 1940 and 2025 was 28 February 1950, with winds reaching 24.6 km/h.
What is the warmest month in Ilorin?
The warmest month in Ilorin is March (29.1 °C on average); the coldest is August (24.2 °C).
How much does it rain in Ilorin?
Ilorin receives on average 759 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Ilorin?
Ilorin gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Ilorin?
Yes: Ilorin has on average 327 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ilorin?
In Ilorin, between 1940 and 2025, the highest apparent temperature reached 45.9 °C on 2 April 2024, and the lowest was 10.0 °C on 9 January 1957.
Compare Ilorin with another city
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Nearby cities
The climate around Ilorin