Tessaoua climate — normals and trends
Tessaoua (Niger) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 27.0 °C and it receives 305 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 (32.1 °C on average) and the coldest is January (20.9 °C). Rainfall peaks in August.
Tessaoua averages 0 frost days, 303 hot days (≥ 30 °C) and 47 rainy days per year.
Tessaoua has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The hottest day of the period reached 44.4 °C (on 19 April 2010) and the coldest 4.7 °C (on 6 January 1956).
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
TessaouaMaradi Region
- coords
- 13.76°, 7.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.0°C
Average daily high
34.2°C
Average daily low
20.3°C
Annual rainfall
305mm
Sunshine / day
11.2h
Mean relative humidity
37%
Average peak wind
18.9km/h
Seasonal range
11.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
303 d/yr
Rainy days (≥ 1 mm)
47 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.8 °C
Average feels-like low
18.8 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
218 d/yr
Solar radiation
23.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.66 · 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
44.4 °C
19 April 2010
Coldest day
4.7 °C
6 January 1956
Wettest day
168 mm
24 August 1952
Windiest day
37.4 km/h
30 May 1999
Strongest gust
63.4 km/h
6 August 1956
Hottest feels-like
45.7 °C
12 April 2016
Coldest feels-like
0.0 °C
6 January 1956
Sunniest day
12.8 h
24 June 2025
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 | 31.1 °C | +1.9 °C | 0 mm | 0 mm |
| Feb | 33.4 °C | +1.3 °C | 0 mm | 0 mm |
| Mar | 39.5 °C | +3.4 °C | 0 mm | -0 mm |
| Apr | 40.2 °C | +1.2 °C | 0 mm | -1 mm |
| May | 40.2 °C | +1.2 °C | 1 mm | -9 mm |
| Jun | 37.8 °C | +0.9 °C | 13 mm | -12 mm |
| Jul | 32.3 °C | -0.8 °C | 73 mm | -13 mm |
| Aug | 30.7 °C | -0.4 °C | 80 mm | -54 mm |
| Sep | 33.5 °C | -0.2 °C | 75 mm | +31 mm |
| Oct | 37.1 °C | +0.9 °C | 1 mm | -4 mm |
| Nov | 35.3 °C | +1.8 °C | 0 mm | -0 mm |
| Dec | 33.6 °C | +3.6 °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 Tessaoua?
Tessaoua has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 305 mm of precipitation per year.
What is the hottest day ever recorded in Tessaoua?
The hottest day measured in Tessaoua between 1940 and 2025 was 19 April 2010, reaching 44.4 °C.
What is the coldest day in Tessaoua?
The coldest day measured in Tessaoua between 1940 and 2025 was 6 January 1956, at 4.7 °C.
Does it snow in Tessaoua?
Almost never: Tessaoua sees virtually no snow, with about 0 frost days per year.
Has the climate of Tessaoua warmed?
Yes: Tessaoua warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tessaoua?
The wettest day measured in Tessaoua between 1940 and 2025 was 24 August 1952, with 168 mm of rain in 24 hours.
What was the windiest day in Tessaoua?
The windiest day measured in Tessaoua between 1940 and 2025 was 30 May 1999, with winds reaching 37.4 km/h.
What is the warmest month in Tessaoua?
The warmest month in Tessaoua is May (32.1 °C on average); the coldest is January (20.9 °C).
How much does it rain in Tessaoua?
Tessaoua receives on average 305 mm of precipitation per year, spread over about 47 rainy days.
Is it sunny in Tessaoua?
Tessaoua gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Tessaoua?
Yes: Tessaoua has on average 218 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tessaoua?
In Tessaoua, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 12 April 2016, and the lowest was 0.0 °C on 6 January 1956.
Compare Tessaoua with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tessaoua