Tillabéri climate — normals and trends
Tillabéri (Niger) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 29.4 °C and it receives 266 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 May (34.4 °C on average) and the coldest is January (23.7 °C). Rainfall peaks in August.
Tillabéri averages 0 frost days, 337 hot days (≥ 30 °C) and 46 rainy days per year.
Tillabéri has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The hottest day of the period reached 45.9 °C (on 24 April 2024) and the coldest 8.9 °C (on 27 January 1942).
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
TillabériTillabéri Region
- coords
- 14.21°, 1.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
29.4°C
Average daily high
35.9°C
Average daily low
23.0°C
Annual rainfall
266mm
Sunshine / day
11.2h
Mean relative humidity
36%
Average peak wind
19.4km/h
Seasonal range
10.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
337 d/yr
Rainy days (≥ 1 mm)
46 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.9 °C
Average feels-like low
21.8 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
268 d/yr
Solar radiation
22.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.75 · 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
45.9 °C
24 April 2024
Coldest day
8.9 °C
27 January 1942
Wettest day
129 mm
7 August 2012
Windiest day
39.5 km/h
1 May 1984
Strongest gust
70.2 km/h
5 June 2014
Hottest feels-like
47.7 °C
4 May 2024
Coldest feels-like
3.7 °C
22 January 1975
Sunniest day
12.1 h
1 June 1942
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 | 33.0 °C | +1.8 °C | 0 mm | -0 mm |
| Feb | 35.8 °C | +1.6 °C | 0 mm | -0 mm |
| Mar | 41.7 °C | +3.9 °C | 0 mm | -1 mm |
| Apr | 42.3 °C | +1.9 °C | 0 mm | -2 mm |
| May | 42.1 °C | +1.6 °C | 5 mm | -2 mm |
| Jun | 39.3 °C | +0.9 °C | 11 mm | -9 mm |
| Jul | 35.0 °C | +0.1 °C | 63 mm | -8 mm |
| Aug | 32.9 °C | +0.1 °C | 77 mm | -42 mm |
| Sep | 35.9 °C | +0.7 °C | 21 mm | -21 mm |
| Oct | 38.9 °C | +1.2 °C | 1 mm | -5 mm |
| Nov | 37.5 °C | +1.6 °C | 0 mm | -0 mm |
| Dec | 34.7 °C | +2.5 °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 Tillabéri?
Tillabéri has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 29.4 °C and it receives 266 mm of precipitation per year.
What is the hottest day ever recorded in Tillabéri?
The hottest day measured in Tillabéri between 1940 and 2025 was 24 April 2024, reaching 45.9 °C.
What is the coldest day in Tillabéri?
The coldest day measured in Tillabéri between 1940 and 2025 was 27 January 1942, at 8.9 °C.
Does it snow in Tillabéri?
Almost never: Tillabéri sees virtually no snow, with about 0 frost days per year.
Has the climate of Tillabéri warmed?
Yes: Tillabéri warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tillabéri?
The wettest day measured in Tillabéri between 1940 and 2025 was 7 August 2012, with 129 mm of rain in 24 hours.
What was the windiest day in Tillabéri?
The windiest day measured in Tillabéri between 1940 and 2025 was 1 May 1984, with winds reaching 39.5 km/h.
What is the warmest month in Tillabéri?
The warmest month in Tillabéri is May (34.4 °C on average); the coldest is January (23.7 °C).
How much does it rain in Tillabéri?
Tillabéri receives on average 266 mm of precipitation per year, spread over about 46 rainy days.
Is it sunny in Tillabéri?
Tillabéri gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Tillabéri?
Yes: Tillabéri has on average 268 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tillabéri?
In Tillabéri, between 1940 and 2025, the highest apparent temperature reached 47.7 °C on 4 May 2024, and the lowest was 3.7 °C on 22 January 1975.
Compare Tillabéri with another city
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Nearby cities
The climate around Tillabéri