Nouakchott
Mauritania
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 47 | 42 | 47 | 38 | 40 | 41 | 42 | 48 | 47 | 47 | 47 | 47 | 48 |
| Average high, °C | 37 | 37 | 33 | 28 | 28 | 31 | 34 | 38 | 40 | 40 | 37 | 36 | 35 |
| Average temperature, °C | 32 | 32 | 28 | 24 | 23 | 26 | 30 | 33 | 36 | 36 | 32 | 31 | 30 |
| Average low, °C | 27 | 28 | 24 | 20 | 18 | 21 | 25 | 28 | 31 | 31 | 28 | 27 | 26 |
| Record low, °C | 20 | 16 | 14 | 10 | 7 | 7 | 12 | 16 | 19 | 20 | 18 | 20 | 7 |
| Rain, days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 3 | 9 |
| Fog, days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
| Thunderstorms, days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 | 14 |
| Relative humidity morning, % | 64 | 34 | 27 | 27 | 27 | 22 | 21 | 22 | 24 | 40 | 63 | 73 | 37 |
| Relative humidity evening, % | 33 | 20 | 18 | 18 | 17 | 13 | 14 | 14 | 17 | 22 | 34 | 40 | 22 |
| Wind speed, km/h | 16 | 19 | 20 | 20 | 22 | 20 | 20 | 20 | 19 | 17 | 17 | 16 | 19 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 13 | 13 |
| Dew point, °C | 18 | 8 | 3 | 0 | -1 | -1 | 0 | 3 | 7 | 13 | 18 | 20 | 88 |
| Growing degree-day, °C | 600 | 620 | 567 | 448 | 422 | 471 | 611 | 600 | 620 | 600 | 620 | 620 | 6799 |
| Solar radiation, global, Mj/m2 | 22 | 21 | 18 | 15 | 16 | 20 | 23 | 25 | 26 | 25 | 24 | 23 | 22 |