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 | 18 | 17 | 16 | 15 | 15 | 16 | 18 | 18 | 19 | 20 | 19 | 18 | 17 |
| 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. | 22 | 12 | 23 | 12 | 9 | 12 | 27 | 41 | 36 | 29 | 146 | 136 | 503 |
| Relative humidity, % | 60 | 64 | 67 | 64 | 59 | 54 | 52 | 54 | 53 | 51 | 71 | 74 | 60 |
| 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 | 9 | 12 | 10 | 9 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 10 | 10 | 10 | 8 | 7 | 7 | 8 | 9 | 10 | 9 | 13 | 14 | 114 |
| Growing degree-day, °C | 237 | 214 | 171 | 152 | 155 | 167 | 236 | 252 | 288 | 294 | 267 | 254 | 2686 |
| Solar radiation, global, Mj/m2 | 21 | 21 | 19 | 17 | 16 | 18 | 20 | 22 | 23 | 22 | 19 | 19 | 20 |