Sanaa
Yemen
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 32 | 33 | 29 | 28 | 28 | 28 | 31 | 31 | 32 | 32 | 32 | 32 | 33 |
| Average high, °C | 26 | 23 | 22 | 21 | 22 | 23 | 24 | 24 | 26 | 28 | 28 | 27 | 25 |
| Average temperature, °C | 22 | 18 | 16 | 15 | 16 | 18 | 20 | 20 | 22 | 23 | 24 | 23 | 20 |
| Average low, °C | 18 | 13 | 10 | 10 | 10 | 12 | 15 | 16 | 18 | 19 | 20 | 19 | 15 |
| Record low, °C | 8 | 3 | 1 | 0 | 1 | 2 | 7 | 8 | 7 | 11 | 8 | 7 | 0 |
| Rain, days | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 5 | 3 | 1 | 3 | 5 | 28 |
| Fog, days | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 0 | 0 | 1 | 1 | 9 |
| Thunderstorms, days | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 1 | 1 | 3 | 3 | 16 |
| Relative humidity morning, % | 55 | 57 | 63 | 68 | 67 | 67 | 71 | 66 | 61 | 50 | 64 | 73 | 64 |
| Relative humidity evening, % | 24 | 26 | 28 | 26 | 25 | 28 | 30 | 33 | 25 | 21 | 26 | 30 | 27 |
| Wind speed, km/h | 17 | 16 | 14 | 14 | 14 | 19 | 19 | 16 | 16 | 17 | 17 | 19 | 17 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 |
| Dew point, °C | 3 | 2 | 1 | 1 | 1 | 3 | 6 | 6 | 5 | 3 | 7 | 8 | 46 |
| Growing degree-day, °C | 375 | 267 | 192 | 181 | 198 | 228 | 310 | 308 | 388 | 417 | 439 | 413 | 3715 |
| Solar radiation, global, Mj/m2 | 23 | 22 | 20 | 19 | 19 | 21 | 23 | 24 | 25 | 25 | 23 | 22 | 22 |