Climate averages 1991–2020

Ermelo weather
in August.

A mild, very dry month: the 9th warmest and the 3rd driest of the year. Meets the pleasant-weather rule

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

Average high 19.5°C Daytime mean, August
Average low 5.5°C Night-time mean, August
Rainfall 14 mm 3 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Ermelo · average highYear overview

August is a mild month in Ermelo: daytime highs average 19.5°C and nights cool to about 5.5°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 14 mm of rain on roughly 3 days, which makes August a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 11 min on an average August day.

The nearest other city in this atlas is Bethal (52 km away). In August its highs average 20.0°C, about as warm as Ermelo, with 12 mm of rain.

Among the 95 cities listed in South Africa, Ermelo ranks 81st of 95 for the warmest August highs and joint 50th of 95 for the driest August (rainfall, lowest first). The mean August high of those 95 cities is 21.0°C; Ermelo is 1.5°C cooler than that mean.

From August to September, average highs rise by 3.7°C to 23.2°C, and monthly rainfall rises from 14 mm to 26 mm.

The annual picture

August 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

Ermelo climate table

1991–2020
Monthly climate averages for Ermelo, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 23.3°C13.8°C13.8°C14316.913.614 h
February 23.3°C13.7°C13.7°C10212.413.013 h
March 22.4°C12.4°C12.4°C9011.312.312 h
April 20.4°C9.7°C9.7°C457.011.511 h
May 18.5°C6.3°C6.3°C152.710.811 h
June 16.3°C3.3°C3.3°C6.81.310.511 h
July 16.4°C2.8°C2.8°C6.50.810.611 h
August, selected 19.5°C5.5°C5.5°C142.511.211 h
September 23.2°C8.8°C8.8°C264.511.912 h
October 23.4°C10.7°C10.7°C9612.612.713 h
November 22.9°C11.9°C11.9°C12815.513.413 h
December 23.3°C13.4°C13.4°C16318.113.814 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

August in nearby cities

Distance from Ermelo

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