Monrovia
Liberia
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 30 | 32 | 33 | 32 | 33 | 32 | 33 | 33 | 32 | 32 | 30 | 30 | 33 |
| Average high, °C | 27 | 29 | 30 | 30 | 31 | 31 | 32 | 31 | 31 | 29 | 26 | 26 | 29 |
| Average temperature, °C | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 25 |
| Average low, °C | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 23 | 22 | 22 | 21 | 22 |
| Record low, °C | 21 | 19 | 18 | 18 | 17 | 20 | 20 | 21 | 21 | 21 | 21 | 19 | 17 |
| Rain, days | 24 | 17 | 7 | 6 | 1 | 0 | 1 | 7 | 8 | 18 | 18 | 23 | 130 |
| Fog, days | 1 | 7 | 12 | 20 | 21 | 18 | 14 | 8 | 2 | 2 | 2 | 1 | 108 |
| Thunderstorms, days | 8 | 13 | 11 | 4 | 1 | 3 | 6 | 11 | 16 | 8 | 3 | 2 | 86 |
| Average precipitation, mm. | 498 | 320 | 152 | 51 | 24 | 44 | 101 | 153 | 247 | 378 | 422 | 453 | 2844 |
| Relative humidity, % | 84 | 82 | 82 | 80 | 75 | 74 | 76 | 77 | 81 | 83 | 85 | 86 | 80 |
| Relative humidity morning, % | 96 | 96 | 95 | 96 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 96 | 95 |
| Relative humidity evening, % | 80 | 76 | 72 | 63 | 55 | 58 | 61 | 66 | 72 | 78 | 80 | 82 | 70 |
| Wind speed, km/h | 9 | 8 | 8 | 7 | 6 | 7 | 7 | 7 | 8 | 9 | 9 | 10 | 8 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 22 | 22 | 22 | 21 | 20 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 258 |
| Growing degree-day, °C | 438 | 465 | 456 | 443 | 450 | 441 | 505 | 486 | 493 | 453 | 443 | 437 | 5510 |
| Solar radiation, global, Mj/m2 | 17 | 18 | 17 | 19 | 20 | 21 | 20 | 19 | 18 | 17 | 15 | 15 | 18 |