Climate averages 1991–2020
Banjul weather
in May.
A hot, very dry month: the 9th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Banjul: daytime highs average 29.6°C and nights cool to about 22.3°C. By daytime temperature it is the 9th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical May (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 44 min on an average May day.
The nearest other city in this atlas is Serekunda (11 km away). In May its highs average 28.1°C, 1.6°C cooler than Banjul, with almost no rain (under 1 mm).
Among the 3 cities listed in the Gambia, Banjul ranks 2nd of 3 for the warmest May highs and joint 2nd of 3 for the driest May (rainfall, lowest first). The mean May high of those 3 cities is 29.4°C; Banjul is 0.2°C warmer than that mean.
From May to June, average highs rise by 0.3°C to 29.9°C, and monthly rainfall rises from under 1 mm to 12 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Serekunda in MayGambia · 11 kmHigh 28.1°C · Low 22.2°C · 0.8 mm rain
- Brikama in MayGambia · 22 kmHigh 30.7°C · Low 22.2°C · 0.9 mm rain
- Kaolack in MaySenegal · 95 kmHigh 37.0°C · Low 21.6°C · 0.4 mm rain
- Ziguinchor in MaySenegal · 104 kmHigh 36.0°C · Low 22.6°C · 2.0 mm rain
- Mbour in MaySenegal · 116 kmHigh 31.3°C · Low 20.6°C · 0.1 mm rain
- Diourbel in MaySenegal · 138 kmHigh 37.0°C · Low 20.7°C · 0.2 mm rain
- Thiès in MaySenegal · 153 kmHigh 33.1°C · Low 19.8°C · 0.1 mm rain
- Thiès Nones in MaySenegal · 154 kmHigh 31.1°C · Low 20.1°C · 0.1 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.