Climate averages 1991–2020

Calumbo weather
in May.

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

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

Average high 32.5°C Daytime mean, May
Average low 23.0°C Night-time mean, May
Rainfall 12 mm 2 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Calumbo · average highYear overview

May is a hot month in Calumbo: daytime highs average 32.5°C and nights cool to about 23.0°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 12 mm of rain on roughly 2 days, which makes May a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 42 min on an average May day.

The nearest other city in this atlas is Zango (15 km away). In May its highs average 31.7°C, 0.8°C cooler than Calumbo, with 15 mm of rain.

Among the 47 cities listed in Angola, Calumbo ranks 1st of 47 for the warmest May highs and joint 31st of 47 for the driest May (rainfall, lowest first). The mean May high of those 47 cities is 28.8°C; Calumbo is 3.7°C warmer than that mean.

From May to June, average highs fall by 1.5°C to 31.0°C, and monthly rainfall falls from 12 mm to under 1 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. 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 1500

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

Every month, side by side

Calumbo climate table

1991–2020
Monthly climate averages for Calumbo, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 32.8°C23.5°C23.5°C7110.312.613 h
February 33.3°C24.0°C24.0°C7210.812.412 h
March 32.8°C24.4°C24.4°C11615.812.212 h
April 31.7°C24.4°C24.4°C12916.611.912 h
May, selected 32.5°C23.0°C23.0°C122.011.712 h
June 31.0°C19.9°C19.9°C0.20.011.612 h
July 29.7°C18.3°C18.3°C0.20.011.612 h
August 29.9°C18.9°C18.9°C1.50.211.812 h
September 31.0°C20.7°C20.7°C5.51.412.012 h
October 31.4°C22.4°C22.4°C184.212.312 h
November 31.8°C23.4°C23.4°C6712.112.513 h
December 32.2°C23.5°C23.5°C6911.512.613 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 Calumbo

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