Monrovia
Liberia
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 42 | 34 | 39 | 33 | 36 | 38 | 36 | 43 | 41 | 42 | 36 | 37 | 43 |
| Average high, °C | 30 | 31 | 31 | 32 | 33 | 33 | 33 | 33 | 32 | 31 | 29 | 29 | 31 |
| Average temperature, °C | 24 | 24 | 24 | 23 | 23 | 24 | 26 | 26 | 25 | 24 | 24 | 24 | 24 |
| Average low, °C | 19 | 19 | 18 | 17 | 16 | 18 | 19 | 20 | 20 | 20 | 19 | 19 | 19 |
| Record low, °C | 18 | 18 | 15 | 12 | 11 | 13 | 15 | 18 | 18 | 15 | 17 | 17 | 11 |
| Rain, days | 12 | 12 | 6 | 3 | 1 | 3 | 3 | 5 | 8 | 10 | 16 | 17 | 96 |
| Fog, days | 4 | 4 | 7 | 14 | 12 | 8 | 5 | 3 | 2 | 2 | 5 | 4 | 70 |
| Thunderstorms, days | 6 | 7 | 7 | 0 | 1 | 2 | 2 | 4 | 9 | 5 | 2 | 3 | 48 |
| Average precipitation, mm. | 356 | 195 | 75 | 29 | 16 | 50 | 118 | 155 | 175 | 247 | 247 | 303 | 1965 |
| Relative humidity, % | 83 | 81 | 80 | 73 | 67 | 69 | 74 | 78 | 80 | 82 | 84 | 85 | 78 |
| Relative humidity morning, % | 96 | 96 | 95 | 92 | 88 | 90 | 91 | 93 | 95 | 95 | 96 | 96 | 94 |
| Relative humidity evening, % | 72 | 70 | 60 | 47 | 36 | 43 | 49 | 61 | 67 | 71 | 78 | 77 | 61 |
| Wind speed, km/h | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 5 | 6 | 7 | 7 | 5 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 21 | 21 | 20 | 18 | 17 | 18 | 21 | 21 | 22 | 21 | 21 | 21 | 241 |
| Growing degree-day, °C | 420 | 443 | 420 | 391 | 400 | 407 | 481 | 468 | 471 | 432 | 419 | 422 | 5172 |
| Solar radiation, global, Mj/m2 | 17 | 18 | 18 | 19 | 20 | 21 | 20 | 19 | 18 | 17 | 15 | 16 | 18 |