Inisa climate — normals and trends
Inisa (Nigeria) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 1,084 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 (27.9 °C on average) and the coldest is August (23.7 °C). Rainfall peaks in September.
Inisa averages 0 frost days, 210 hot days (≥ 30 °C) and 193 rainy days per year.
Inisa has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.3 °C (on 13 February 2024) and the coldest 15.6 °C (on 12 December 1961).
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
InisaOsun State
- coords
- 7.85°, 4.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
30.7°C
Average daily low
22.6°C
Annual rainfall
1,084mm
Sunshine / day
8.5h
Mean relative humidity
79%
Average peak wind
12.3km/h
Seasonal range
4.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
210 d/yr
Rainy days (≥ 1 mm)
193 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.9 °C
Average feels-like low
26.0 °C
Average peak gust
28.1 km/h
Tropical nights (≥ 20 °C)
352 d/yr
Solar radiation
16.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.78 · 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
39.3 °C
13 February 2024
Coldest day
15.6 °C
12 December 1961
Wettest day
113 mm
13 September 1960
Windiest day
24.0 km/h
28 February 1950
Strongest gust
52.2 km/h
5 August 1950
Hottest feels-like
45.2 °C
28 March 2024
Coldest feels-like
11.4 °C
9 January 1957
Sunniest day
12.0 h
20 June 2008
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?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 35.6 °C | +2.3 °C | 0 mm | -10 mm |
| Feb | 36.8 °C | +2.4 °C | 24 mm | +1 mm |
| Mar | 35.9 °C | +2.4 °C | 39 mm | -21 mm |
| Apr | 33.8 °C | +1.9 °C | 58 mm | -30 mm |
| May | 31.9 °C | +1.4 °C | 171 mm | +42 mm |
| Jun | 30.3 °C | +1.4 °C | 123 mm | -32 mm |
| Jul | 28.2 °C | +0.7 °C | 148 mm | -4 mm |
| Aug | 27.8 °C | +0.5 °C | 192 mm | +50 mm |
| Sep | 29.5 °C | +1.3 °C | 113 mm | -46 mm |
| Oct | 30.6 °C | +1.2 °C | 133 mm | +5 mm |
| Nov | 32.8 °C | +1.7 °C | 19 mm | -11 mm |
| Dec | 34.0 °C | +1.7 °C | 7 mm | -3 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 Inisa?
Inisa has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,084 mm of precipitation per year.
What is the hottest day ever recorded in Inisa?
The hottest day measured in Inisa between 1940 and 2025 was 13 February 2024, reaching 39.3 °C.
What is the coldest day in Inisa?
The coldest day measured in Inisa between 1940 and 2025 was 12 December 1961, at 15.6 °C.
Does it snow in Inisa?
Almost never: Inisa sees virtually no snow, with about 0 frost days per year.
Has the climate of Inisa warmed?
Yes: Inisa warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Inisa?
The wettest day measured in Inisa between 1940 and 2025 was 13 September 1960, with 113 mm of rain in 24 hours.
What was the windiest day in Inisa?
The windiest day measured in Inisa between 1940 and 2025 was 28 February 1950, with winds reaching 24.0 km/h.
What is the warmest month in Inisa?
The warmest month in Inisa is February (27.9 °C on average); the coldest is August (23.7 °C).
How much does it rain in Inisa?
Inisa receives on average 1,084 mm of precipitation per year, spread over about 193 rainy days.
Is it sunny in Inisa?
Inisa gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
Are there tropical nights in Inisa?
Yes: Inisa has on average 352 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Inisa?
In Inisa, between 1940 and 2025, the highest apparent temperature reached 45.2 °C on 28 March 2024, and the lowest was 11.4 °C on 9 January 1957.
Compare Inisa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Inisa