Vielsalm climate — normals and trends
Vielsalm (Belgium) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.7 °C and it receives 1,020 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 (15.7 °C on average) and the coldest is January (-0.4 °C). Rainfall peaks in July.
Vielsalm averages 85 frost days, 1 hot days (≥ 30 °C) and 171 rainy days per year.
Vielsalm has warmed by +1.9 °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 102 to 68 per year over the period.
The hottest day of the period reached 35.2 °C (on 25 July 2019) and the coldest -22.7 °C (on 1 January 1979).
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
VielsalmWallonia
- coords
- 50.28°, 5.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.7°C
Average daily high
10.9°C
Average daily low
4.6°C
Annual rainfall
1,020mm
Sunshine / day
7.1h
Mean relative humidity
84%
Average peak wind
20.0km/h
Seasonal range
16.1°C
Frost days (< 0 °C)
85 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
171 d/yr
Annual snowfall
86.8 cm
Average feels-like high
8.0 °C
Average feels-like low
1.3 °C
Average peak gust
39.7 km/h
Tropical nights (≥ 20 °C)
0 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 = 0.40 · 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
35.2 °C
25 July 2019
Coldest day
-22.7 °C
1 January 1979
Wettest day
78 mm
14 July 2021
Windiest day
58.4 km/h
18 January 2007
Strongest gust
132.8 km/h
24 November 1984
Hottest feels-like
36.8 °C
25 July 2019
Coldest feels-like
-28.4 °C
1 January 1979
Snowiest day
17.7 cm
1 February 1953
Sunniest day
15.4 h
26 June 2001
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 | 2.9 °C | +1.3 °C | 169 mm | +82 mm |
| Feb | 4.3 °C | +1.4 °C | 47 mm | -30 mm |
| Mar | 11.0 °C | +4.2 °C | 11 mm | -70 mm |
| Apr | 14.5 °C | +3.7 °C | 67 mm | -10 mm |
| May | 17.1 °C | +2.2 °C | 60 mm | -30 mm |
| Jun | 22.1 °C | +4.2 °C | 79 mm | -15 mm |
| Jul | 21.5 °C | +1.8 °C | 142 mm | +47 mm |
| Aug | 22.1 °C | +2.7 °C | 40 mm | -50 mm |
| Sep | 16.7 °C | +0.5 °C | 141 mm | +64 mm |
| Oct | 11.5 °C | -0.1 °C | 110 mm | +35 mm |
| Nov | 7.7 °C | +1.8 °C | 67 mm | -18 mm |
| Dec | 6.0 °C | +3.1 °C | 38 mm | -55 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 Vielsalm?
Vielsalm has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.7 °C and it receives 1,020 mm of precipitation per year.
What is the hottest day ever recorded in Vielsalm?
The hottest day measured in Vielsalm between 1940 and 2025 was 25 July 2019, reaching 35.2 °C.
What is the coldest day in Vielsalm?
The coldest day measured in Vielsalm between 1940 and 2025 was 1 January 1979, at -22.7 °C.
Does it snow in Vielsalm?
Yes. Vielsalm gets on average 86.8 cm of snow per year and has around 85 frost days.
Has the climate of Vielsalm warmed?
Yes: Vielsalm warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vielsalm?
The wettest day measured in Vielsalm between 1940 and 2025 was 14 July 2021, with 78 mm of rain in 24 hours.
What was the windiest day in Vielsalm?
The windiest day measured in Vielsalm between 1940 and 2025 was 18 January 2007, with winds reaching 58.4 km/h.
What is the warmest month in Vielsalm?
The warmest month in Vielsalm is July (15.7 °C on average); the coldest is January (-0.4 °C).
How much does it rain in Vielsalm?
Vielsalm receives on average 1,020 mm of precipitation per year, spread over about 171 rainy days.
Is it sunny in Vielsalm?
Vielsalm gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Vielsalm?
The heaviest 24-hour snowfall measured in Vielsalm between 1940 and 2025 was 1 February 1953, with 17.7 cm.
Are there tropical nights in Vielsalm?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Vielsalm.
What was the most extreme apparent temperature in Vielsalm?
In Vielsalm, between 1940 and 2025, the highest apparent temperature reached 36.8 °C on 25 July 2019, and the lowest was -28.4 °C on 1 January 1979.
Compare Vielsalm with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Vielsalm