Banjul
Gambia
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 35 | 37 | 43 | 37 | 37 | 40 | 41 | 42 | 42 | 41 | 41 | 36 | 43 |
| Average high, °C | 30 | 31 | 31 | 30 | 28 | 31 | 33 | 36 | 35 | 33 | 30 | 29 | 31 |
| Average temperature, °C | 28 | 29 | 27 | 25 | 25 | 27 | 30 | 31 | 32 | 31 | 28 | 28 | 28 |
| Average low, °C | 27 | 28 | 27 | 25 | 25 | 27 | 28 | 31 | 30 | 30 | 28 | 27 | 28 |
| Record low, °C | 21 | 20 | 18 | 12 | 17 | 17 | 19 | 20 | 22 | 21 | 22 | 22 | 12 |
| Rain, days | 6 | 2 | 1 | 0 | 1 | 1 | 1 | 0 | 2 | 4 | 6 | 7 | 31 |
| Fog, days | 1 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 |
| Thunderstorms, days | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 6 | 18 |
| Average precipitation, mm. | 217 | 76 | 4 | 1 | 0 | 1 | 0 | 1 | 12 | 97 | 201 | 273 | 883 |
| Relative humidity, % | 79 | 70 | 53 | 40 | 33 | 32 | 32 | 34 | 43 | 58 | 73 | 79 | 52 |
| Relative humidity evening, % | 74 | 64 | 37 | 26 | 25 | 25 | 28 | 28 | 31 | 53 | 69 | 76 | 45 |
| Wind speed, km/h | 3 | 3 | 3 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 5 | 4 | 5 |
| Day Length, часов | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 |
| Dew point, °C | 24 | 23 | 17 | 10 | 7 | 9 | 11 | 14 | 18 | 21 | 23 | 24 | 200 |
| Growing degree-day, °C | 531 | 577 | 516 | 450 | 456 | 489 | 611 | 642 | 691 | 615 | 567 | 546 | 6689 |
| Solar radiation, global, Mj/m2 | 20 | 19 | 18 | 16 | 17 | 20 | 23 | 24 | 24 | 24 | 22 | 20 | 21 |