Sagamu climate — normals and trends
Sagamu (Nigeria) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 1,935 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 (27.4 °C on average) and the coldest is August (24.3 °C). Rainfall peaks in June.
Sagamu averages 0 frost days, 163 hot days (≥ 30 °C) and 287 rainy days per year.
Sagamu 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 36.9 °C (on 8 February 2020) and the coldest 16.0 °C (on 5 February 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
SagamuOgun State
- coords
- 6.85°, 3.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
29.6°C
Average daily low
23.6°C
Annual rainfall
1,935mm
Sunshine / day
9.3h
Mean relative humidity
87%
Average peak wind
11.3km/h
Seasonal range
3.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
163 d/yr
Rainy days (≥ 1 mm)
287 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
28.1 °C
Average peak gust
27.1 km/h
Tropical nights (≥ 20 °C)
361 d/yr
Solar radiation
16.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.84 · 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
36.9 °C
8 February 2020
Coldest day
16.0 °C
5 February 1945
Wettest day
177 mm
25 August 1947
Windiest day
21.1 km/h
8 August 1950
Strongest gust
45.7 km/h
3 August 1977
Hottest feels-like
44.0 °C
27 March 2024
Coldest feels-like
13.2 °C
9 January 1957
Sunniest day
12.0 h
22 June 1949
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 | 33.4 °C | +2.1 °C | 17 mm | -24 mm |
| Feb | 33.1 °C | +1.2 °C | 50 mm | -19 mm |
| Mar | 32.8 °C | +1.5 °C | 84 mm | -55 mm |
| Apr | 31.6 °C | +1.1 °C | 115 mm | -76 mm |
| May | 30.9 °C | +1.2 °C | 211 mm | -42 mm |
| Jun | 29.5 °C | +1.2 °C | 294 mm | +21 mm |
| Jul | 27.7 °C | +0.5 °C | 155 mm | -78 mm |
| Aug | 27.2 °C | +0.2 °C | 141 mm | -22 mm |
| Sep | 28.6 °C | +0.8 °C | 224 mm | +12 mm |
| Oct | 29.6 °C | +0.7 °C | 180 mm | -29 mm |
| Nov | 31.1 °C | +0.9 °C | 93 mm | -11 mm |
| Dec | 31.4 °C | +0.6 °C | 46 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 Sagamu?
Sagamu has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 1,935 mm of precipitation per year.
What is the hottest day ever recorded in Sagamu?
The hottest day measured in Sagamu between 1940 and 2025 was 8 February 2020, reaching 36.9 °C.
What is the coldest day in Sagamu?
The coldest day measured in Sagamu between 1940 and 2025 was 5 February 1945, at 16.0 °C.
Does it snow in Sagamu?
Almost never: Sagamu sees virtually no snow, with about 0 frost days per year.
Has the climate of Sagamu warmed?
Yes: Sagamu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sagamu?
The wettest day measured in Sagamu between 1940 and 2025 was 25 August 1947, with 177 mm of rain in 24 hours.
What was the windiest day in Sagamu?
The windiest day measured in Sagamu between 1940 and 2025 was 8 August 1950, with winds reaching 21.1 km/h.
What is the warmest month in Sagamu?
The warmest month in Sagamu is February (27.4 °C on average); the coldest is August (24.3 °C).
How much does it rain in Sagamu?
Sagamu receives on average 1,935 mm of precipitation per year, spread over about 287 rainy days.
Is it sunny in Sagamu?
Sagamu gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
Are there tropical nights in Sagamu?
Yes: Sagamu has on average 361 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sagamu?
In Sagamu, between 1940 and 2025, the highest apparent temperature reached 44.0 °C on 27 March 2024, and the lowest was 13.2 °C on 9 January 1957.
Compare Sagamu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sagamu