Sélibaby climate — normals and trends
Sélibaby (Mauritania) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 30.0 °C and it receives 358 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 (35.2 °C on average) and the coldest is January (25.2 °C). Rainfall peaks in August.
Sélibaby averages 0 frost days, 343 hot days (≥ 30 °C) and 44 rainy days per year.
Sélibaby has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The hottest day of the period reached 47.3 °C (on 3 April 2024) and the coldest 11.8 °C (on 10 January 1965).
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
SélibabyGuidimaka
- coords
- 15.16°, -12.18°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
30.0°C
Average daily high
36.1°C
Average daily low
24.5°C
Annual rainfall
358mm
Sunshine / day
10.9h
Mean relative humidity
37%
Average peak wind
19.0km/h
Seasonal range
10.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
343 d/yr
Rainy days (≥ 1 mm)
44 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.7 °C
Average feels-like low
23.5 °C
Average peak gust
35.0 km/h
Tropical nights (≥ 20 °C)
317 d/yr
Solar radiation
22.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.65 · 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
47.3 °C
3 April 2024
Coldest day
11.8 °C
10 January 1965
Wettest day
125 mm
31 August 1964
Windiest day
39.7 km/h
22 April 2023
Strongest gust
69.5 km/h
14 June 2020
Hottest feels-like
48.8 °C
2 May 2004
Coldest feels-like
5.7 °C
28 December 1960
Sunniest day
12.4 h
27 May 1941
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 | 31.9 °C | -0.5 °C | 0 mm | -0 mm |
| Feb | 33.2 °C | -2.0 °C | 0 mm | -1 mm |
| Mar | 39.3 °C | +1.1 °C | 0 mm | -0 mm |
| Apr | 42.1 °C | +1.4 °C | 0 mm | 0 mm |
| May | 41.6 °C | +0.1 °C | 0 mm | -2 mm |
| Jun | 38.0 °C | -1.3 °C | 9 mm | -10 mm |
| Jul | 34.1 °C | -1.1 °C | 35 mm | -36 mm |
| Aug | 32.5 °C | -0.2 °C | 213 mm | +80 mm |
| Sep | 33.2 °C | -0.1 °C | 64 mm | -41 mm |
| Oct | 37.1 °C | +0.6 °C | 7 mm | -16 mm |
| Nov | 35.9 °C | -0.1 °C | 0 mm | -2 mm |
| Dec | 31.4 °C | -1.3 °C | 0 mm | -1 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 Sélibaby?
Sélibaby has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 30.0 °C and it receives 358 mm of precipitation per year.
What is the hottest day ever recorded in Sélibaby?
The hottest day measured in Sélibaby between 1940 and 2025 was 3 April 2024, reaching 47.3 °C.
What is the coldest day in Sélibaby?
The coldest day measured in Sélibaby between 1940 and 2025 was 10 January 1965, at 11.8 °C.
Does it snow in Sélibaby?
Almost never: Sélibaby sees virtually no snow, with about 0 frost days per year.
Has the climate of Sélibaby warmed?
Yes: Sélibaby warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sélibaby?
The wettest day measured in Sélibaby between 1940 and 2025 was 31 August 1964, with 125 mm of rain in 24 hours.
What was the windiest day in Sélibaby?
The windiest day measured in Sélibaby between 1940 and 2025 was 22 April 2023, with winds reaching 39.7 km/h.
What is the warmest month in Sélibaby?
The warmest month in Sélibaby is May (35.2 °C on average); the coldest is January (25.2 °C).
How much does it rain in Sélibaby?
Sélibaby receives on average 358 mm of precipitation per year, spread over about 44 rainy days.
Is it sunny in Sélibaby?
Sélibaby gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Sélibaby?
Yes: Sélibaby has on average 317 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sélibaby?
In Sélibaby, between 1940 and 2025, the highest apparent temperature reached 48.8 °C on 2 May 2004, and the lowest was 5.7 °C on 28 December 1960.
Compare Sélibaby with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sélibaby