Nouakchott
Mauritania
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 44 | 41 | 38 | 36 | 34 | 34 | 37 | 40 | 43 | 46 | 47 | 46 | 47 |
| Average high, °C | 37 | 32 | 27 | 23 | 22 | 25 | 27 | 31 | 33 | 36 | 40 | 40 | 31 |
| Average temperature, °C | 31 | 27 | 23 | 18 | 17 | 20 | 22 | 25 | 27 | 30 | 33 | 33 | 26 |
| Average low, °C | 26 | 22 | 18 | 14 | 12 | 15 | 16 | 18 | 20 | 23 | 26 | 27 | 20 |
| Record low, °C | 17 | 12 | 10 | 6 | 6 | 8 | 10 | 10 | 12 | 15 | 16 | 18 | 6 |
| Rain, days | 4 | 3 | 0 | 1 | 1 | 2 | 0 | 1 | 2 | 1 | 0 | 1 | 16 |
| Fog, days | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 |
| Thunderstorms, days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| Average precipitation, mm. | 16 | 5 | 5 | 1 | 2 | 2 | 2 | 1 | 0 | 1 | 3 | 8 | 46 |
| Relative humidity, % | 41 | 42 | 44 | 51 | 49 | 48 | 44 | 43 | 44 | 39 | 37 | 39 | 43 |
| Relative humidity morning, % | 56 | 59 | 63 | 59 | 58 | 61 | 61 | 62 | 62 | 61 | 56 | 55 | 59 |
| Relative humidity evening, % | 29 | 33 | 38 | 40 | 39 | 36 | 34 | 32 | 33 | 29 | 24 | 26 | 33 |
| Wind speed, km/h | 14 | 14 | 17 | 19 | 20 | 19 | 17 | 16 | 16 | 16 | 17 | 16 | 17 |
| Day Length, часов | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 14 | 14 | 14 | 13 | 13 |
| Dew point, °C | 15 | 12 | 10 | 6 | 4 | 7 | 8 | 10 | 12 | 13 | 15 | 16 | 128 |
| Growing degree-day, °C | 600 | 543 | 392 | 276 | 233 | 283 | 379 | 442 | 525 | 600 | 620 | 620 | 5511 |
| Solar radiation, global, Mj/m2 | 21 | 19 | 16 | 13 | 15 | 19 | 23 | 25 | 26 | 25 | 25 | 23 | 21 |