Asmara
Eritrea
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 26 | 27 | 26 | 26 | 28 | 28 | 28 | 28 | 30 | 30 | 28 | 29 | 30 |
| Average high, °C | 21 | 20 | 19 | 20 | 20 | 21 | 22 | 22 | 22 | 22 | 19 | 19 | 21 |
| Average temperature, °C | 19 | 18 | 17 | 16 | 16 | 17 | 19 | 20 | 21 | 21 | 19 | 19 | 18 |
| Average low, °C | 14 | 13 | 12 | 11 | 12 | 12 | 13 | 15 | 16 | 16 | 14 | 14 | 14 |
| Record low, °C | 6 | 3 | 3 | 0 | 0 | 0 | 1 | 3 | 6 | 8 | 9 | 8 | 0 |
| Rain, days | 1 | 2 | 2 | 1 | 0 | 1 | 3 | 2 | 3 | 2 | 3 | 4 | 24 |
| Fog, days | 2 | 2 | 3 | 6 | 6 | 3 | 1 | 1 | 0 | 0 | 4 | 6 | 34 |
| Thunderstorms, days | 3 | 3 | 1 | 0 | 0 | 0 | 2 | 4 | 4 | 2 | 7 | 7 | 33 |
| Average precipitation, mm. | 32 | 12 | 21 | 6 | 4 | 6 | 15 | 25 | 36 | 42 | 164 | 150 | 512 |
| Relative humidity, % | 60 | 62 | 63 | 60 | 55 | 50 | 48 | 50 | 49 | 49 | 71 | 75 | 58 |
| Relative humidity morning, % | 72 | 73 | 77 | 71 | 72 | 59 | 61 | 65 | 64 | 62 | 87 | 91 | 71 |
| Relative humidity evening, % | 41 | 48 | 47 | 37 | 32 | 26 | 28 | 34 | 38 | 35 | 58 | 64 | 41 |
| Wind speed, km/h | 8 | 11 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 11 | 11 | 10 | 8 | 7 | 7 | 8 | 9 | 10 | 10 | 14 | 14 | 117 |
| Growing degree-day, °C | 261 | 251 | 210 | 186 | 189 | 198 | 273 | 294 | 326 | 321 | 285 | 273 | 3066 |
| Solar radiation, global, Mj/m2 | 21 | 21 | 19 | 17 | 16 | 18 | 20 | 22 | 23 | 22 | 19 | 19 | 20 |