Nouakchott is warmest in September, averaging 30° by day and 27° at night. The wettest month is August with 84 mm, and the year brings about 301 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 24° | 17° | 0 mm | 19° | 11.0 h | Sightseeing |
| February | 24° | 17° | 3 mm | 18° | 11.4 h | Sightseeing |
| March | 24° | 18° | 59 mm | 18° | 11.9 h | Sightseeing |
| April | 24° | 19° | 0 mm | 18° | 12.4 h | Sightseeing |
| May | 25° | 20° | 0 mm | 18° | 12.9 h | Beach weather |
| June | 27° | 22° | 3 mm | 22° | 13.1 h | Beach weather |
| July | 28° | 25° | 37 mm | 26° | 13.0 h | Beach weather |
| August | 29° | 26° | 84 mm | 28° | 12.6 h | Beach weather |
| September | 30° | 27° | 72 mm | 28° | 12.1 h | Beach weather |
| October | 30° | 25° | 43 mm | 26° | 11.6 h | Beach weather |
| November | 28° | 21° | 0 mm | 23° | 11.1 h | Beach weather |
| December | 25° | 18° | 0 mm | 21° | 10.9 h | Sightseeing |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: May, June, July, August, September, October and November — highs around 28°, nights no colder than 20°, and at most 84 mm of rain in a month. The sea sits at 18–28° then.
Walking the city: January, February, March, April and December — highs of 24–25° and no more than 59 mm of rain a month.