Climate averages 1991–2020

Ilorin weather
in December.

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

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

Average high 34.6°C Daytime mean, December
Average low 20.5°C Night-time mean, December
Rainfall <1 mm Almost no rain
Daylight 12 h Sunrise to sunset, per day
Every month in Ilorin · average highYear overview

December is a very hot month in Ilorin: daytime highs average 34.6°C and nights cool to about 20.5°C. By daytime temperature it is the 5th warmest of the 12 months.

Rain is very rare: less than 1 mm falls in a typical December (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 38 min on an average December day.

The nearest other city in this atlas is Offa (43 km away). In December its highs average 33.0°C, 1.6°C cooler than Ilorin, with 1.9 mm of rain.

Among the 143 cities listed in Nigeria, Ilorin ranks joint 10th of 143 for the warmest December highs and joint 38th of 143 for the driest December (rainfall, lowest first). The mean December high of those 143 cities is 32.4°C; Ilorin is 2.3°C warmer than that mean.

From December to January, average highs rise by 0.4°C to 35.0°C, and monthly rainfall rises from under 1 mm to 2.0 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. 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 2000

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

Every month, side by side

Ilorin climate table

1991–2020
Monthly climate averages for Ilorin, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 35.0°C20.2°C20.2°C2.00.511.712 h
February 36.5°C22.2°C22.2°C4.51.311.912 h
March 36.9°C24.1°C24.1°C224.712.112 h
April 35.4°C24.3°C24.3°C509.912.312 h
May 33.0°C23.8°C23.8°C8715.812.513 h
June 30.3°C22.8°C22.8°C11519.012.613 h
July 28.5°C22.0°C22.0°C12821.412.613 h
August 27.9°C21.6°C21.6°C15220.712.412 h
September 28.6°C21.9°C21.9°C15721.212.212 h
October 30.3°C22.2°C22.2°C7815.011.912 h
November 33.4°C22.2°C22.2°C5.21.411.712 h
December, selected 34.6°C20.5°C20.5°C0.80.211.612 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 Ilorin

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