Banikoara climate — normals and trends
Banikoara (Benin) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 28.1 °C and it receives 767 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 April (32.5 °C on average) and the coldest is August (25.4 °C). Rainfall peaks in August.
Banikoara averages 0 frost days, 310 hot days (≥ 30 °C) and 110 rainy days per year.
Banikoara has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The hottest day of the period reached 43.8 °C (on 31 March 2024) and the coldest 12.3 °C (on 9 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
BanikoaraAlibori Department
- coords
- 11.30°, 2.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
28.1°C
Average daily high
34.1°C
Average daily low
22.8°C
Annual rainfall
767mm
Sunshine / day
10.8h
Mean relative humidity
51%
Average peak wind
14.8km/h
Seasonal range
7.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
310 d/yr
Rainy days (≥ 1 mm)
110 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.3 °C
Average feels-like low
23.4 °C
Average peak gust
31.7 km/h
Tropical nights (≥ 20 °C)
308 d/yr
Solar radiation
21.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.63 · 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
43.8 °C
31 March 2024
Coldest day
12.3 °C
9 January 1957
Wettest day
133 mm
17 August 2005
Windiest day
31.4 km/h
18 May 1941
Strongest gust
67.0 km/h
14 June 2020
Hottest feels-like
46.8 °C
30 April 2016
Coldest feels-like
7.6 °C
8 January 1957
Sunniest day
12.1 h
16 May 1958
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 | 34.8 °C | +1.2 °C | 0 mm | -0 mm |
| Feb | 37.3 °C | +1.0 °C | 0 mm | -1 mm |
| Mar | 41.0 °C | +2.4 °C | 0 mm | -7 mm |
| Apr | 40.9 °C | +2.1 °C | 2 mm | -23 mm |
| May | 37.5 °C | +1.0 °C | 18 mm | -48 mm |
| Jun | 34.7 °C | +1.3 °C | 40 mm | -44 mm |
| Jul | 30.4 °C | -0.1 °C | 248 mm | +85 mm |
| Aug | 29.3 °C | +0.2 °C | 319 mm | +86 mm |
| Sep | 30.5 °C | +0.4 °C | 174 mm | +27 mm |
| Oct | 33.6 °C | +0.4 °C | 30 mm | -9 mm |
| Nov | 36.0 °C | +0.8 °C | 0 mm | -2 mm |
| Dec | 35.6 °C | +1.7 °C | 0 mm | -0 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 Banikoara?
Banikoara has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 28.1 °C and it receives 767 mm of precipitation per year.
What is the hottest day ever recorded in Banikoara?
The hottest day measured in Banikoara between 1940 and 2025 was 31 March 2024, reaching 43.8 °C.
What is the coldest day in Banikoara?
The coldest day measured in Banikoara between 1940 and 2025 was 9 January 1957, at 12.3 °C.
Does it snow in Banikoara?
Almost never: Banikoara sees virtually no snow, with about 0 frost days per year.
Has the climate of Banikoara warmed?
Yes: Banikoara warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Banikoara?
The wettest day measured in Banikoara between 1940 and 2025 was 17 August 2005, with 133 mm of rain in 24 hours.
What was the windiest day in Banikoara?
The windiest day measured in Banikoara between 1940 and 2025 was 18 May 1941, with winds reaching 31.4 km/h.
What is the warmest month in Banikoara?
The warmest month in Banikoara is April (32.5 °C on average); the coldest is August (25.4 °C).
How much does it rain in Banikoara?
Banikoara receives on average 767 mm of precipitation per year, spread over about 110 rainy days.
Is it sunny in Banikoara?
Banikoara gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Banikoara?
Yes: Banikoara has on average 308 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Banikoara?
In Banikoara, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 30 April 2016, and the lowest was 7.6 °C on 8 January 1957.
Compare Banikoara with another city
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Nearby cities
The climate around Banikoara