Oyo climate — normals and trends
Oyo (Nigeria) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 1,014 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 (28.1 °C on average) and the coldest is August (23.8 °C). Rainfall peaks in September.
Oyo averages 0 frost days, 216 hot days (≥ 30 °C) and 187 rainy days per year.
Oyo has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.4 °C (on 13 February 2024) and the coldest 15.7 °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
OyoOyo State
- coords
- 7.85°, 3.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
30.9°C
Average daily low
22.7°C
Annual rainfall
1,014mm
Sunshine / day
8.7h
Mean relative humidity
78%
Average peak wind
12.4km/h
Seasonal range
4.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
216 d/yr
Rainy days (≥ 1 mm)
187 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.0 °C
Average feels-like low
26.2 °C
Average peak gust
28.0 km/h
Tropical nights (≥ 20 °C)
353 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 = 0.80 · 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
39.4 °C
13 February 2024
Coldest day
15.7 °C
12 December 1961
Wettest day
160 mm
31 August 2007
Windiest day
23.4 km/h
28 February 1950
Strongest gust
51.1 km/h
4 March 1962
Hottest feels-like
45.1 °C
28 March 2024
Coldest feels-like
11.6 °C
9 January 1957
Sunniest day
12.1 h
14 May 1952
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 | 35.7 °C | +2.2 °C | 0 mm | -9 mm |
| Feb | 36.7 °C | +2.1 °C | 26 mm | +5 mm |
| Mar | 36.0 °C | +2.2 °C | 37 mm | -18 mm |
| Apr | 33.9 °C | +1.7 °C | 56 mm | -31 mm |
| May | 32.0 °C | +1.3 °C | 144 mm | +20 mm |
| Jun | 30.3 °C | +1.3 °C | 120 mm | -29 mm |
| Jul | 28.1 °C | +0.5 °C | 123 mm | -20 mm |
| Aug | 27.9 °C | +0.5 °C | 203 mm | +67 mm |
| Sep | 29.5 °C | +1.2 °C | 123 mm | -27 mm |
| Oct | 30.7 °C | +1.2 °C | 108 mm | -2 mm |
| Nov | 33.0 °C | +1.7 °C | 9 mm | -14 mm |
| Dec | 34.3 °C | +1.7 °C | 9 mm | +1 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 Oyo?
Oyo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 1,014 mm of precipitation per year.
What is the hottest day ever recorded in Oyo?
The hottest day measured in Oyo between 1940 and 2025 was 13 February 2024, reaching 39.4 °C.
What is the coldest day in Oyo?
The coldest day measured in Oyo between 1940 and 2025 was 12 December 1961, at 15.7 °C.
Does it snow in Oyo?
Almost never: Oyo sees virtually no snow, with about 0 frost days per year.
Has the climate of Oyo warmed?
Yes: Oyo warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oyo?
The wettest day measured in Oyo between 1940 and 2025 was 31 August 2007, with 160 mm of rain in 24 hours.
What was the windiest day in Oyo?
The windiest day measured in Oyo between 1940 and 2025 was 28 February 1950, with winds reaching 23.4 km/h.
What is the warmest month in Oyo?
The warmest month in Oyo is February (28.1 °C on average); the coldest is August (23.8 °C).
How much does it rain in Oyo?
Oyo receives on average 1,014 mm of precipitation per year, spread over about 187 rainy days.
Is it sunny in Oyo?
Oyo gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
Are there tropical nights in Oyo?
Yes: Oyo has on average 353 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oyo?
In Oyo, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 28 March 2024, and the lowest was 11.6 °C on 9 January 1957.
Compare Oyo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oyo