Nouakchott
Mauritania
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 42 | 45 | 41 | 40 | 37 | 42 | 43 | 45 | 45 | 45 | 45 | 43 | 45 |
| Average high, °C | 35 | 36 | 33 | 30 | 29 | 32 | 33 | 36 | 37 | 36 | 34 | 34 | 34 |
| Average temperature, °C | 30 | 31 | 28 | 25 | 23 | 26 | 27 | 28 | 30 | 31 | 30 | 30 | 28 |
| Average low, °C | 26 | 25 | 22 | 18 | 17 | 19 | 20 | 21 | 23 | 25 | 25 | 26 | 22 |
| Record low, °C | 19 | 16 | 11 | 7 | 8 | 11 | 11 | 11 | 12 | 13 | 20 | 22 | 7 |
| Rain, days | 3 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 4 | 13 |
| Fog, days | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 10 |
| Thunderstorms, days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 8 |
| Average precipitation, mm. | 81 | 23 | 1 | 2 | 1 | 1 | 0 | 0 | 1 | 10 | 45 | 93 | 258 |
| Relative humidity, % | 72 | 58 | 45 | 39 | 36 | 36 | 37 | 40 | 45 | 54 | 63 | 72 | 50 |
| Relative humidity morning, % | 85 | 70 | 51 | 43 | 42 | 47 | 53 | 64 | 66 | 75 | 82 | 86 | 64 |
| Relative humidity evening, % | 46 | 26 | 19 | 16 | 17 | 15 | 16 | 17 | 19 | 29 | 42 | 48 | 26 |
| Wind speed, km/h | 14 | 16 | 17 | 19 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 17 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 13 | 13 | 13 |
| Dew point, °C | 21 | 15 | 7 | 2 | 0 | 2 | 5 | 8 | 11 | 17 | 20 | 22 | 130 |
| Growing degree-day, °C | 600 | 620 | 542 | 456 | 422 | 447 | 534 | 567 | 620 | 600 | 620 | 620 | 6648 |
| Solar radiation, global, Mj/m2 | 21 | 19 | 16 | 14 | 15 | 18 | 22 | 24 | 25 | 25 | 24 | 22 | 20 |