Climate averages 1991–2020

Mbombela weather
in December.

A warm, wet month: the 3rd warmest and the 11th driest of the year.

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

Average high 27.7°C Daytime mean, December
Average low 18.2°C Night-time mean, December
Rainfall 151 mm 18 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Mbombela · average highYear overview

December is a warm month in Mbombela: daytime highs average 27.7°C and nights cool to about 18.2°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 151 mm of rain on roughly 18 days, which makes December a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 41 min on an average December day.

The nearest other city in this atlas is Mbabane (95 km away). In December its highs average 24.5°C, 3.2°C cooler than Mbombela, with 208 mm of rain.

Among the 95 cities listed in South Africa, Mbombela ranks joint 32nd of 95 for the warmest December highs and joint 86th of 95 for the driest December (rainfall, lowest first). The mean December high of those 95 cities is 26.6°C; Mbombela is 1.1°C warmer than that mean.

From December to January, average highs rise by 0.1°C to 27.8°C, and monthly rainfall rises from 151 mm to 155 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. 051015202530 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

Mbombela climate table

1991–2020
Monthly climate averages for Mbombela, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.8°C18.9°C18.9°C15517.513.514 h
February 27.9°C18.9°C18.9°C13515.013.013 h
March 27.1°C17.6°C17.6°C10714.012.312 h
April 25.2°C14.7°C14.7°C538.411.512 h
May 23.8°C10.6°C10.6°C193.510.911 h
June 21.9°C7.4°C7.4°C9.02.310.611 h
July 21.7°C6.9°C6.9°C122.610.711 h
August 23.9°C9.1°C9.1°C173.811.211 h
September 26.3°C12.3°C12.3°C346.511.912 h
October 26.4°C14.8°C14.8°C7113.312.713 h
November 27.0°C16.6°C16.6°C12216.313.313 h
December, selected 27.7°C18.2°C18.2°C15118.413.714 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 Mbombela

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