Climate averages 1991–2020

Banjul weather
in December.

A hot, very dry month: the 4th warmest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 30.6°C Daytime mean, December
Average low 21.6°C Night-time mean, December
Rainfall 1.5 mm fewer than one day with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Banjul · average highYear overview

December is a hot month in Banjul: daytime highs average 30.6°C and nights cool to about 21.6°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 1.5 mm of rain on fewer than one day, which makes December a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 21 min on an average December day.

The nearest other city in this atlas is Serekunda (11 km away). In December its highs average 29.4°C, 1.2°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 December highs and 3rd of 3 for the driest December (rainfall, lowest first). The mean December high of those 3 cities is 30.4°C; Banjul is 0.2°C warmer than that mean.

From December to January, average highs fall by 0.6°C to 30.0°C, and monthly rainfall rises from 1.5 mm to 1.6 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 1520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3000

Averages 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

1991–2020
Monthly climate averages for Banjul, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.0°C20.0°C20.0°C1.60.211.411 h
February 31.1°C20.5°C20.5°C0.90.111.712 h
March 31.5°C20.9°C20.9°C0.20.112.012 h
April 30.3°C21.1°C21.1°C00.012.412 h
May 29.6°C22.3°C22.3°C0.90.212.713 h
June 29.9°C24.6°C24.6°C122.112.913 h
July 29.3°C25.4°C25.4°C13014.712.813 h
August 28.7°C25.2°C25.2°C25423.412.613 h
September 29.2°C25.4°C25.4°C19020.212.212 h
October 30.2°C26.1°C26.1°C568.311.812 h
November 31.3°C24.4°C24.4°C1.80.511.512 h
December, selected 30.6°C21.6°C21.6°C1.50.211.311 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

December in nearby cities

Distance from Banjul

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 limits

How 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.