Ndali climate — normals and trends
Ndali (Benin) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 1,069 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 (29.4 °C on average) and the coldest is August (24.2 °C). Rainfall peaks in August.
Ndali averages 0 frost days, 289 hot days (≥ 30 °C) and 145 rainy days per year.
Ndali 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 40.9 °C (on 28 March 2024) and the coldest 12.8 °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
NdaliBorgou Department
- coords
- 9.86°, 2.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
32.6°C
Average daily low
21.6°C
Annual rainfall
1,069mm
Sunshine / day
10.2h
Mean relative humidity
64%
Average peak wind
12.1km/h
Seasonal range
5.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
289 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.8 °C
Average feels-like low
23.2 °C
Average peak gust
28.5 km/h
Tropical nights (≥ 20 °C)
297 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.83 · 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
40.9 °C
28 March 2024
Coldest day
12.8 °C
9 January 1957
Wettest day
149 mm
28 June 1989
Windiest day
21.5 km/h
9 April 2017
Strongest gust
58.0 km/h
8 October 2016
Hottest feels-like
46.4 °C
20 April 2024
Coldest feels-like
8.4 °C
9 January 1957
Sunniest day
12.1 h
21 May 1956
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 | 34.6 °C | +1.2 °C | 0 mm | -1 mm |
| Feb | 36.6 °C | +1.2 °C | 0 mm | -4 mm |
| Mar | 38.2 °C | +1.7 °C | 5 mm | -20 mm |
| Apr | 37.0 °C | +1.7 °C | 17 mm | -48 mm |
| May | 34.3 °C | +1.1 °C | 67 mm | -49 mm |
| Jun | 32.2 °C | +1.2 °C | 98 mm | -31 mm |
| Jul | 29.6 °C | +0.6 °C | 197 mm | -2 mm |
| Aug | 29.1 °C | +0.5 °C | 274 mm | +29 mm |
| Sep | 30.8 °C | +1.1 °C | 160 mm | -43 mm |
| Oct | 33.3 °C | +1.2 °C | 48 mm | -27 mm |
| Nov | 35.4 °C | +1.3 °C | 1 mm | -5 mm |
| Dec | 35.4 °C | +2.0 °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 Ndali?
Ndali has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 1,069 mm of precipitation per year.
What is the hottest day ever recorded in Ndali?
The hottest day measured in Ndali between 1940 and 2025 was 28 March 2024, reaching 40.9 °C.
What is the coldest day in Ndali?
The coldest day measured in Ndali between 1940 and 2025 was 9 January 1957, at 12.8 °C.
Does it snow in Ndali?
Almost never: Ndali sees virtually no snow, with about 0 frost days per year.
Has the climate of Ndali warmed?
Yes: Ndali warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ndali?
The wettest day measured in Ndali between 1940 and 2025 was 28 June 1989, with 149 mm of rain in 24 hours.
What was the windiest day in Ndali?
The windiest day measured in Ndali between 1940 and 2025 was 9 April 2017, with winds reaching 21.5 km/h.
What is the warmest month in Ndali?
The warmest month in Ndali is March (29.4 °C on average); the coldest is August (24.2 °C).
How much does it rain in Ndali?
Ndali receives on average 1,069 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Ndali?
Ndali gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Ndali?
Yes: Ndali has on average 297 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ndali?
In Ndali, between 1940 and 2025, the highest apparent temperature reached 46.4 °C on 20 April 2024, and the lowest was 8.4 °C on 9 January 1957.
Compare Ndali with another city
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Nearby cities
The climate around Ndali