Climate averages 1991–2020

Arua weather
in May.

A warm, moderately wet month: the 6th warmest and the 5th driest of the year.

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

Average high 27.4°C Daytime mean, May
Average low 18.6°C Night-time mean, May
Rainfall 70 mm 12 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Arua · average highYear overview

May is a warm month in Arua: daytime highs average 27.4°C and nights cool to about 18.6°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 70 mm of rain on roughly 12 days, which makes May a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average May day.

The nearest other city in this atlas is Yei (122 km away). In May its highs average 29.0°C, 1.6°C warmer than Arua, with 155 mm of rain.

Among the 21 cities listed in Uganda, Arua ranks 2nd of 21 for the warmest May highs and 2nd of 21 for the driest May (rainfall, lowest first). The mean May high of those 21 cities is 25.2°C; Arua is 2.2°C warmer than that mean.

From May to June, average highs fall by 0.7°C to 26.7°C, and monthly rainfall rises from 70 mm to 85 mm.

The annual picture

May 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 1500

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

Every month, side by side

Arua climate table

1991–2020
Monthly climate averages for Arua, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.2°C19.4°C19.4°C9.72.212.012 h
February 31.2°C20.1°C20.1°C173.612.012 h
March 30.0°C19.8°C19.8°C509.812.112 h
April 28.0°C19.1°C19.1°C8014.512.212 h
May, selected 27.4°C18.6°C18.6°C7012.212.312 h
June 26.7°C17.8°C17.8°C8513.412.312 h
July 26.1°C17.1°C17.1°C11316.112.312 h
August 26.0°C17.0°C17.0°C13719.112.212 h
September 26.6°C17.2°C17.2°C10517.112.112 h
October 26.5°C17.6°C17.6°C11820.212.112 h
November 26.8°C17.8°C17.8°C7213.712.012 h
December 28.3°C18.4°C18.4°C163.611.912 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

May in nearby cities

Distance from Arua

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