Climate averages 1991–2020

Koidu weather
in April.

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

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

Average high 31.3°C Daytime mean, April
Average low 23.2°C Night-time mean, April
Rainfall 105 mm 16 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Koidu · average highYear overview

April is a hot month in Koidu: daytime highs average 31.3°C and nights cool to about 23.2°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 105 mm of rain on roughly 16 days, which makes April a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average April day.

The nearest other city in this atlas is Kenema (89 km away). In April its highs average 31.6°C, about as warm as Koidu, with 114 mm of rain.

Among the 5 cities listed in Sierra Leone, Koidu ranks 4th of 5 for the warmest April highs and 3rd of 5 for the driest April (rainfall, lowest first). The mean April high of those 5 cities is 31.4°C; Koidu is 0.1°C cooler than that mean.

From April to May, average highs fall by 1.8°C to 29.4°C, and monthly rainfall rises from 105 mm to 235 mm.

The annual picture

April 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. 152025303540 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 4500

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

Every month, side by side

Koidu climate table

1991–2020
Monthly climate averages for Koidu, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 32.1°C20.4°C20.4°C112.411.712 h
February 33.6°C21.9°C21.9°C142.911.812 h
March 33.1°C23.1°C23.1°C6310.312.112 h
April, selected 31.3°C23.2°C23.2°C10515.712.312 h
May 29.4°C22.7°C22.7°C23525.412.513 h
June 28.1°C21.9°C21.9°C33528.012.613 h
July 26.7°C21.2°C21.2°C36929.312.613 h
August 26.3°C21.1°C21.1°C41929.712.412 h
September 27.3°C21.4°C21.4°C42228.812.212 h
October 28.2°C21.4°C21.4°C32229.511.912 h
November 28.5°C21.5°C21.5°C12916.411.712 h
December 29.9°C20.6°C20.6°C163.111.612 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

April in nearby cities

Distance from Koidu

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