Charleroi climate — normals and trends
Charleroi (Belgium) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.8 °C and it receives 778 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (17.4 °C on average) and the coldest is January (2.3 °C). Rainfall peaks in July.
Charleroi averages 52 frost days, 3 hot days (≥ 30 °C) and 149 rainy days per year.
Charleroi has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 68 to 36 per year over the period.
The hottest day of the period reached 37.3 °C (on 19 July 2022) and the coldest -21.4 °C (on 3 February 1942).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
CharleroiWallonia
- coords
- 50.41°, 4.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.8°C
Average daily high
13.2°C
Average daily low
6.5°C
Annual rainfall
778mm
Sunshine / day
7.6h
Mean relative humidity
81%
Average peak wind
19.9km/h
Seasonal range
15.1°C
Frost days (< 0 °C)
52 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
149 d/yr
Annual snowfall
24.7 cm
Average feels-like high
10.6 °C
Average feels-like low
3.5 °C
Average peak gust
38.7 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.42 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
37.3 °C
19 July 2022
Coldest day
-21.4 °C
3 February 1942
Wettest day
63 mm
22 June 2023
Windiest day
56.7 km/h
27 October 2002
Strongest gust
125.3 km/h
18 January 2007
Hottest feels-like
39.8 °C
25 July 2019
Coldest feels-like
-26.9 °C
3 February 1942
Snowiest day
10.9 cm
10 December 1990
Sunniest day
15.8 h
2 July 2018
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 5.0 °C | +0.7 °C | 163 mm | +100 mm |
| Feb | 6.9 °C | +1.3 °C | 46 mm | -12 mm |
| Mar | 12.9 °C | +3.6 °C | 16 mm | -46 mm |
| Apr | 17.0 °C | +4.1 °C | 26 mm | -32 mm |
| May | 19.1 °C | +2.3 °C | 59 mm | -11 mm |
| Jun | 23.5 °C | +3.8 °C | 63 mm | -7 mm |
| Jul | 23.7 °C | +2.1 °C | 84 mm | +11 mm |
| Aug | 24.0 °C | +2.6 °C | 31 mm | -37 mm |
| Sep | 19.4 °C | +0.9 °C | 67 mm | +9 mm |
| Oct | 14.1 °C | +0.2 °C | 74 mm | +13 mm |
| Nov | 10.2 °C | +1.8 °C | 71 mm | +4 mm |
| Dec | 8.0 °C | +2.6 °C | 30 mm | -38 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Charleroi?
Charleroi has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.8 °C and it receives 778 mm of precipitation per year.
What is the hottest day ever recorded in Charleroi?
The hottest day measured in Charleroi between 1940 and 2025 was 19 July 2022, reaching 37.3 °C.
What is the coldest day in Charleroi?
The coldest day measured in Charleroi between 1940 and 2025 was 3 February 1942, at -21.4 °C.
Does it snow in Charleroi?
Yes. Charleroi gets on average 24.7 cm of snow per year and has around 52 frost days.
Has the climate of Charleroi warmed?
Yes: Charleroi warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Charleroi?
The wettest day measured in Charleroi between 1940 and 2025 was 22 June 2023, with 63 mm of rain in 24 hours.
What was the windiest day in Charleroi?
The windiest day measured in Charleroi between 1940 and 2025 was 27 October 2002, with winds reaching 56.7 km/h.
What is the warmest month in Charleroi?
The warmest month in Charleroi is July (17.4 °C on average); the coldest is January (2.3 °C).
How much does it rain in Charleroi?
Charleroi receives on average 778 mm of precipitation per year, spread over about 149 rainy days.
Is it sunny in Charleroi?
Charleroi gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Charleroi?
The heaviest 24-hour snowfall measured in Charleroi between 1940 and 2025 was 10 December 1990, with 10.9 cm.
Are there tropical nights in Charleroi?
Yes: Charleroi has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Charleroi?
In Charleroi, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 25 July 2019, and the lowest was -26.9 °C on 3 February 1942.
Compare Charleroi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Charleroi