Climate averages 1991–2020

Freetown weather
in December.

A hot, fairly dry month: the warmest and the 5th driest of the year. Meets the pleasant-weather rule

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

Average high 28.1°C Daytime mean, December
Average low 25.9°C Night-time mean, December
Rainfall 27 mm 7 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Freetown · average highYear overview

December is a hot month in Freetown: daytime highs average 28.1°C and nights cool to about 25.9°C. By daytime temperature it is the warmest month of the year.

Expect about 27 mm of rain on roughly 7 days, which makes December a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 38 min on an average December day.

The nearest other city in this atlas is Conakry (127 km away). In December its highs average 29.7°C, 1.6°C warmer than Freetown, with 12 mm of rain.

Among the 5 cities listed in Sierra Leone, Freetown ranks 5th of 5 for the warmest December highs and 5th of 5 for the driest December (rainfall, lowest first). The mean December high of those 5 cities is 30.2°C; Freetown is 2.1°C cooler than that mean.

From December to January, average highs fall by 0.4°C to 27.7°C, and monthly rainfall falls from 27 mm to 9.9 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. 20253035 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 8000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Freetown climate table

1991–2020
Monthly climate averages for Freetown, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.7°C25.4°C25.4°C9.92.311.712 h
February 27.5°C25.4°C25.4°C6.01.411.912 h
March 27.5°C25.6°C25.6°C8.72.412.112 h
April 27.7°C25.9°C25.9°C215.212.312 h
May 27.9°C25.6°C25.6°C15921.412.513 h
June 27.2°C24.5°C24.5°C39729.112.613 h
July 26.2°C23.9°C23.9°C68330.212.613 h
August 25.9°C23.9°C23.9°C75129.912.412 h
September 26.4°C23.9°C23.9°C47928.612.212 h
October 27.2°C24.3°C24.3°C23228.111.912 h
November 27.8°C25.1°C25.1°C9820.611.712 h
December, selected 28.1°C25.9°C25.9°C277.411.612 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 Freetown

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 Freetown) is explained once on the Freetown year overview and on the Sources, method and limits page.