Nouadhibou climate — normals and trends
Nouadhibou (Mauritania) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 20.6 °C and it receives 17 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 September (24.1 °C on average) and the coldest is January (18.1 °C). Rainfall peaks in September.
Nouadhibou averages 0 frost days, 4 hot days (≥ 30 °C) and 3 rainy days per year.
Nouadhibou has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.1 °C (on 3 September 1976) and the coldest 10.6 °C (on 27 December 1986).
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
NouadhibouDakhlet Nouadhibou
- coords
- 20.94°, -17.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.6°C
Average daily high
22.9°C
Average daily low
18.8°C
Annual rainfall
17mm
Sunshine / day
11.3h
Mean relative humidity
73%
Average peak wind
31.2km/h
Seasonal range
6.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
3 d/yr
Annual snowfall
0.0 cm
Average feels-like high
23.4 °C
Average feels-like low
16.7 °C
Average peak gust
40.8 km/h
Tropical nights (≥ 20 °C)
124 d/yr
Solar radiation
22.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.37 · 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
35.1 °C
3 September 1976
Coldest day
10.6 °C
27 December 1986
Wettest day
42 mm
19 September 1951
Windiest day
53.6 km/h
15 June 2020
Strongest gust
75.2 km/h
15 June 2020
Hottest feels-like
37.3 °C
5 September 2022
Coldest feels-like
3.9 °C
27 December 1986
Sunniest day
12.8 h
28 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 | 21.4 °C | +1.0 °C | 0 mm | -2 mm |
| Feb | 21.7 °C | +0.8 °C | 0 mm | -2 mm |
| Mar | 20.4 °C | -1.1 °C | 0 mm | -2 mm |
| Apr | 21.9 °C | +0.4 °C | 0 mm | -0 mm |
| May | 22.8 °C | +0.7 °C | 1 mm | +1 mm |
| Jun | 24.0 °C | +0.5 °C | 0 mm | 0 mm |
| Jul | 24.5 °C | +0.4 °C | 0 mm | -0 mm |
| Aug | 25.9 °C | +0.5 °C | 0 mm | -1 mm |
| Sep | 27.0 °C | +0.6 °C | 0 mm | -3 mm |
| Oct | 25.9 °C | +0.8 °C | 0 mm | -3 mm |
| Nov | 24.0 °C | +1.0 °C | 1 mm | -1 mm |
| Dec | 20.9 °C | -0.3 °C | 2 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 Nouadhibou?
Nouadhibou has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 20.6 °C and it receives 17 mm of precipitation per year.
What is the hottest day ever recorded in Nouadhibou?
The hottest day measured in Nouadhibou between 1940 and 2025 was 3 September 1976, reaching 35.1 °C.
What is the coldest day in Nouadhibou?
The coldest day measured in Nouadhibou between 1940 and 2025 was 27 December 1986, at 10.6 °C.
Does it snow in Nouadhibou?
Almost never: Nouadhibou sees virtually no snow, with about 0 frost days per year.
Has the climate of Nouadhibou warmed?
Yes: Nouadhibou warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nouadhibou?
The wettest day measured in Nouadhibou between 1940 and 2025 was 19 September 1951, with 42 mm of rain in 24 hours.
What was the windiest day in Nouadhibou?
The windiest day measured in Nouadhibou between 1940 and 2025 was 15 June 2020, with winds reaching 53.6 km/h.
What is the warmest month in Nouadhibou?
The warmest month in Nouadhibou is September (24.1 °C on average); the coldest is January (18.1 °C).
How much does it rain in Nouadhibou?
Nouadhibou receives on average 17 mm of precipitation per year, spread over about 3 rainy days.
Is it sunny in Nouadhibou?
Nouadhibou gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
Are there tropical nights in Nouadhibou?
Yes: Nouadhibou has on average 124 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nouadhibou?
In Nouadhibou, between 1940 and 2025, the highest apparent temperature reached 37.3 °C on 5 September 2022, and the lowest was 3.9 °C on 27 December 1986.
Compare Nouadhibou with another city
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