Climate averages 1991–2020

Charleroi weather
in August.

A warm, moderately wet month: one of the warmest and the 11th driest of the year.

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

Average high 22.1°C Daytime mean, August
Average low 13.9°C Night-time mean, August
Rainfall 76 mm 12 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Charleroi · average highYear overview

August is a warm month in Charleroi: daytime highs average 22.1°C and nights cool to about 13.9°C. By daytime temperature it is one of the warmest months of the year.

Expect about 76 mm of rain on roughly 12 days, which makes August a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 31 min on an average August day.

The nearest other city in this atlas is La Louvière (20 km away). In August its highs average 22.0°C, about as warm as Charleroi, with 72 mm of rain.

Among the 18 cities listed in Belgium, Charleroi ranks joint 15th of 18 for the warmest August highs and 16th of 18 for the driest August (rainfall, lowest first). The mean August high of those 18 cities is 22.3°C; Charleroi is 0.2°C cooler than that mean.

From August to September, average highs fall by 3.4°C to 18.7°C, and monthly rainfall falls from 76 mm to 57 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. -50510152025 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 1000

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

Every month, side by side

Charleroi climate table

1991–2020
Monthly climate averages for Charleroi, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 5.6°C1.0°C1.0°C6612.78.69 h
February 6.7°C0.9°C0.9°C6211.710.010 h
March 10.2°C2.7°C2.7°C6012.311.812 h
April 13.8°C5.1°C5.1°C5311.713.814 h
May 17.2°C8.7°C8.7°C6512.715.415 h
June 20.1°C11.8°C11.8°C6912.116.416 h
July 22.1°C14.0°C14.0°C7312.516.016 h
August, selected 22.1°C13.9°C13.9°C7612.114.515 h
September 18.7°C11.3°C11.3°C5710.712.713 h
October 14.4°C8.4°C8.4°C6111.510.811 h
November 9.4°C4.6°C4.6°C6411.99.19 h
December 6.1°C1.8°C1.8°C7913.58.18 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 Charleroi

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