Waremme climate — normals and trends
Waremme (Belgium) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 796 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 (17.7 °C on average) and the coldest is January (2.3 °C). Rainfall peaks in July.
Waremme averages 51 frost days, 3 hot days (≥ 30 °C) and 151 rainy days per year.
Waremme has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 67 to 35 per year over the period.
The hottest day of the period reached 39.6 °C (on 25 July 2019) and the coldest -22.3 °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
WaremmeWallonia
- coords
- 50.70°, 5.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
13.4°C
Average daily low
6.7°C
Annual rainfall
796mm
Sunshine / day
7.5h
Mean relative humidity
80%
Average peak wind
19.4km/h
Seasonal range
15.4°C
Frost days (< 0 °C)
51 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
151 d/yr
Annual snowfall
22.8 cm
Average feels-like high
10.9 °C
Average feels-like low
3.7 °C
Average peak gust
38.1 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
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.45 · 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
39.6 °C
25 July 2019
Coldest day
-22.3 °C
3 February 1942
Wettest day
54 mm
13 November 2010
Windiest day
57.8 km/h
24 November 1984
Strongest gust
124.9 km/h
18 January 2007
Hottest feels-like
41.1 °C
25 July 2019
Coldest feels-like
-27.8 °C
3 February 1942
Snowiest day
10.9 cm
15 February 1987
Sunniest day
15.7 h
29 June 2019
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 | +0.5 °C | 161 mm | +97 mm |
| Feb | 7.0 °C | +1.3 °C | 41 mm | -18 mm |
| Mar | 13.1 °C | +3.6 °C | 12 mm | -51 mm |
| Apr | 16.9 °C | +3.7 °C | 47 mm | -11 mm |
| May | 19.7 °C | +2.5 °C | 52 mm | -18 mm |
| Jun | 23.8 °C | +3.7 °C | 84 mm | +10 mm |
| Jul | 23.9 °C | +2.0 °C | 90 mm | +12 mm |
| Aug | 24.2 °C | +2.5 °C | 32 mm | -40 mm |
| Sep | 19.5 °C | +0.8 °C | 98 mm | +38 mm |
| Oct | 14.0 °C | -0.1 °C | 76 mm | +14 mm |
| Nov | 10.4 °C | +1.8 °C | 64 mm | -3 mm |
| Dec | 8.2 °C | +2.7 °C | 32 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 Waremme?
Waremme has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 796 mm of precipitation per year.
What is the hottest day ever recorded in Waremme?
The hottest day measured in Waremme between 1940 and 2025 was 25 July 2019, reaching 39.6 °C.
What is the coldest day in Waremme?
The coldest day measured in Waremme between 1940 and 2025 was 3 February 1942, at -22.3 °C.
Does it snow in Waremme?
Yes. Waremme gets on average 22.8 cm of snow per year and has around 51 frost days.
Has the climate of Waremme warmed?
Yes: Waremme warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Waremme?
The wettest day measured in Waremme between 1940 and 2025 was 13 November 2010, with 54 mm of rain in 24 hours.
What was the windiest day in Waremme?
The windiest day measured in Waremme between 1940 and 2025 was 24 November 1984, with winds reaching 57.8 km/h.
What is the warmest month in Waremme?
The warmest month in Waremme is July (17.7 °C on average); the coldest is January (2.3 °C).
How much does it rain in Waremme?
Waremme receives on average 796 mm of precipitation per year, spread over about 151 rainy days.
Is it sunny in Waremme?
Waremme gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Waremme?
The heaviest 24-hour snowfall measured in Waremme between 1940 and 2025 was 15 February 1987, with 10.9 cm.
Are there tropical nights in Waremme?
Yes: Waremme has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Waremme?
In Waremme, between 1940 and 2025, the highest apparent temperature reached 41.1 °C on 25 July 2019, and the lowest was -27.8 °C on 3 February 1942.
Compare Waremme with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Waremme