Climate averages 1991–2020

Germiston weather
in March.

A warm, moderately wet month: the 7th warmest and the 8th driest of the year.

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

Average high 23.8°C Daytime mean, March
Average low 13.2°C Night-time mean, March
Rainfall 83 mm 12 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Germiston · average highYear overview

March is a warm month in Germiston: daytime highs average 23.8°C and nights cool to about 13.2°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 83 mm of rain on roughly 12 days, which makes March a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average March day.

The nearest other city in this atlas is Alberton (7 km away). In March its highs average 24.0°C, about as warm as Germiston, with 89 mm of rain.

Among the 95 cities listed in South Africa, Germiston ranks joint 79th of 95 for the warmest March highs and joint 51st of 95 for the driest March (rainfall, lowest first). The mean March high of those 95 cities is 25.6°C; Germiston is 1.8°C cooler than that mean.

From March to April, average highs fall by 2.3°C to 21.4°C, and monthly rainfall falls from 83 mm to 42 mm.

The annual picture

March 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 1500

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

Every month, side by side

Germiston climate table

1991–2020
Monthly climate averages for Germiston, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.2°C15.0°C15.0°C12715.913.614 h
February 25.0°C14.8°C14.8°C10213.313.013 h
March, selected 23.8°C13.2°C13.2°C8312.012.312 h
April 21.4°C10.2°C10.2°C426.711.511 h
May 19.4°C6.6°C6.6°C152.510.911 h
June 17.1°C3.6°C3.6°C7.61.410.511 h
July 17.3°C2.9°C2.9°C3.10.710.711 h
August 20.5°C5.6°C5.6°C102.011.211 h
September 24.5°C9.3°C9.3°C233.511.912 h
October 25.4°C11.8°C11.8°C7610.712.713 h
November 25.0°C13.1°C13.1°C9914.313.413 h
December 25.1°C14.6°C14.6°C13017.313.714 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

March in nearby cities

Distance from Germiston

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

Benoni, Brakpan and Tokoza lie in the same rainfall cell, so their rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.