Climate averages 1991–2020

Owerri weather
in April.

A hot, very wet month: the 5th warmest and the 6th driest of the year.

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

Average high 31.5°C Daytime mean, April
Average low 23.6°C Night-time mean, April
Rainfall 213 mm 25 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Owerri · average highYear overview

April is a hot month in Owerri: daytime highs average 31.5°C and nights cool to about 23.6°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 213 mm of rain on roughly 25 days, which makes April a very wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average April day.

The nearest other city in this atlas is Ihiala (46 km away). In April its highs average 31.1°C, about as warm as Owerri, with 187 mm of rain.

Among the 143 cities listed in Nigeria, Owerri ranks joint 89th of 143 for the warmest April highs and 131st of 143 for the driest April (rainfall, lowest first). The mean April high of those 143 cities is 33.4°C; Owerri is 1.9°C cooler than that mean.

From April to May, average highs fall by 1.0°C to 30.4°C, and monthly rainfall rises from 213 mm to 264 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. 2025303540 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 3500

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

Every month, side by side

Owerri climate table

1991–2020
Monthly climate averages for Owerri, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 34.4°C22.9°C22.9°C255.611.812 h
February 34.4°C23.7°C23.7°C5310.011.912 h
March 32.9°C23.9°C23.9°C13420.512.112 h
April, selected 31.5°C23.6°C23.6°C21324.812.212 h
May 30.4°C23.3°C23.3°C26428.312.412 h
June 28.8°C22.5°C22.5°C29628.412.412 h
July 28.1°C22.0°C22.0°C30128.912.412 h
August 28.3°C22.1°C22.1°C27227.012.312 h
September 28.7°C22.2°C22.2°C31529.212.212 h
October 29.3°C22.4°C22.4°C30229.712.012 h
November 30.8°C22.7°C22.7°C11518.111.912 h
December 33.0°C22.9°C22.9°C235.711.812 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 Owerri

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