Nouakchott
Mauritania
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 40 | 41 | 41 | 42 | 40 | 42 | 44 | 46 | 45 | 47 | 42 | 40 | 47 |
| Average high, °C | 32 | 35 | 35 | 31 | 31 | 34 | 37 | 40 | 40 | 36 | 32 | 31 | 35 |
| Average temperature, °C | 29 | 31 | 28 | 25 | 24 | 27 | 30 | 32 | 34 | 33 | 31 | 29 | 29 |
| Average low, °C | 25 | 25 | 21 | 18 | 18 | 21 | 24 | 28 | 30 | 28 | 26 | 25 | 24 |
| Record low, °C | 20 | 17 | 13 | 6 | 10 | 10 | 11 | 18 | 20 | 21 | 18 | 20 | 6 |
| Rain, days | 8 | 4 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 4 | 9 | 11 | 40 |
| Fog, days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Thunderstorms, days | 12 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 10 | 12 | 47 |
| Average precipitation, mm. | 108 | 24 | 2 | 1 | 0 | 2 | 0 | 1 | 2 | 33 | 93 | 143 | 410 |
| Relative humidity, % | 69 | 53 | 37 | 31 | 27 | 25 | 23 | 23 | 28 | 42 | 59 | 69 | 41 |
| Relative humidity morning, % | 91 | 83 | 52 | 40 | 36 | 34 | 31 | 30 | 40 | 65 | 81 | 89 | 56 |
| Relative humidity evening, % | 62 | 41 | 21 | 17 | 16 | 16 | 14 | 14 | 20 | 37 | 55 | 64 | 31 |
| Wind speed, km/h | 3 | 3 | 3 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 4 | 5 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 23 | 20 | 12 | 6 | 4 | 5 | 6 | 9 | 13 | 19 | 22 | 23 | 163 |
| Growing degree-day, °C | 582 | 639 | 546 | 453 | 437 | 475 | 611 | 672 | 756 | 699 | 642 | 601 | 7112 |
| Solar radiation, global, Mj/m2 | 21 | 20 | 18 | 16 | 17 | 20 | 23 | 25 | 25 | 24 | 23 | 22 | 21 |