Climate averages 1991–2020
Banjul weather
in August.
A hot, very wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Banjul: daytime highs average 28.7°C and nights cool to about 25.2°C. By daytime temperature it is the coolest month of the year.
Expect about 254 mm of rain on roughly 23 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 34 min on an average August day.
The nearest other city in this atlas is Serekunda (11 km away). In August its highs average 28.4°C, about as warm as Banjul, with 246 mm of rain.
Among the 3 cities listed in the Gambia, Banjul ranks joint 1st of 3 for the warmest August highs and 2nd of 3 for the driest August (rainfall, lowest first). The mean August high of those 3 cities is 28.6°C; Banjul is 0.1°C warmer than that mean.
From August to September, average highs rise by 0.5°C to 29.2°C, and monthly rainfall falls from 254 mm to 190 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Banjul climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.0°C20.0°C | 20.0°C | 1.6 | 0.2 | 11.411 h |
| February | 31.1°C20.5°C | 20.5°C | 0.9 | 0.1 | 11.712 h |
| March | 31.5°C20.9°C | 20.9°C | 0.2 | 0.1 | 12.012 h |
| April | 30.3°C21.1°C | 21.1°C | 0 | 0.0 | 12.412 h |
| May | 29.6°C22.3°C | 22.3°C | 0.9 | 0.2 | 12.713 h |
| June | 29.9°C24.6°C | 24.6°C | 12 | 2.1 | 12.913 h |
| July | 29.3°C25.4°C | 25.4°C | 130 | 14.7 | 12.813 h |
| August, selected | 28.7°C25.2°C | 25.2°C | 254 | 23.4 | 12.613 h |
| September | 29.2°C25.4°C | 25.4°C | 190 | 20.2 | 12.212 h |
| October | 30.2°C26.1°C | 26.1°C | 56 | 8.3 | 11.812 h |
| November | 31.3°C24.4°C | 24.4°C | 1.8 | 0.5 | 11.512 h |
| December | 30.6°C21.6°C | 21.6°C | 1.5 | 0.2 | 11.311 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Serekunda in AugustGambia · 11 kmHigh 28.4°C · Low 25.3°C · 246 mm rain
- Brikama in AugustGambia · 22 kmHigh 28.7°C · Low 24.9°C · 279 mm rain
- Kaolack in AugustSenegal · 95 kmHigh 30.9°C · Low 24.1°C · 200 mm rain
- Ziguinchor in AugustSenegal · 104 kmHigh 29.4°C · Low 23.9°C · 391 mm rain
- Mbour in AugustSenegal · 116 kmHigh 29.5°C · Low 25.0°C · 154 mm rain
- Diourbel in AugustSenegal · 138 kmHigh 31.5°C · Low 24.0°C · 150 mm rain
- Thiès in AugustSenegal · 153 kmHigh 30.6°C · Low 24.1°C · 146 mm rain
- Thiès Nones in AugustSenegal · 154 kmHigh 30.1°C · Low 24.4°C · 146 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Banjul) is explained once on the Banjul year overview and on the Sources, method and limits page.