Yaounde
Cameroon
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 40 | 38 | 38 | 37 | 38 | 37 | 38 | 35 | 40 | 36 | 31 | 37 | 40 |
| Average high, °C | 28 | 28 | 29 | 29 | 30 | 31 | 29 | 30 | 29 | 28 | 27 | 27 | 29 |
| Average temperature, °C | 24 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 25 |
| Average low, °C | 20 | 20 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 |
| Record low, °C | 20 | 20 | 18 | 20 | 18 | 20 | 17 | 16 | 17 | 17 | 16 | 16 | 16 |
| Rain, days | 19 | 16 | 8 | 3 | 3 | 3 | 6 | 8 | 10 | 10 | 10 | 16 | 112 |
| Fog, days | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 4 |
| Thunderstorms, days | 8 | 14 | 16 | 10 | 8 | 12 | 16 | 19 | 20 | 11 | 3 | 3 | 140 |
| Average precipitation, mm. | 330 | 412 | 206 | 71 | 61 | 95 | 194 | 233 | 269 | 182 | 84 | 138 | 2273 |
| Relative humidity, % | 84 | 84 | 84 | 82 | 80 | 78 | 82 | 81 | 83 | 84 | 84 | 84 | 83 |
| Relative humidity morning, % | 95 | 94 | 94 | 94 | 93 | 93 | 93 | 94 | 94 | 92 | 92 | 93 | 93 |
| Relative humidity evening, % | 82 | 80 | 78 | 76 | 74 | 73 | 74 | 75 | 76 | 79 | 79 | 80 | 77 |
| Wind speed, km/h | 5 | 5 | 6 | 7 | 5 | 5 | 5 | 6 | 7 | 5 | 5 | 8 | 6 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 258 |
| Growing degree-day, °C | 417 | 440 | 444 | 468 | 481 | 449 | 471 | 462 | 471 | 432 | 419 | 419 | 5372 |
| Solar radiation, global, Mj/m2 | 15 | 15 | 16 | 18 | 20 | 20 | 19 | 18 | 17 | 15 | 14 | 14 | 17 |