Herbeumont climate — normals and trends
Herbeumont has a temperate oceanic climate, averaging 8.9 °C annually with 978 mm of rain per year.
Climate normals · ERA5
HerbeumontWallonia
- coords
- 49.78°, 5.24°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
8.9°C
Average daily high
12.2°C
Average daily low
5.4°C
Annual rainfall
978mm
Sunshine / day
7.5h
Mean relative humidity
82%
Average peak wind
19.5km/h
Seasonal range
16.2°C
Frost days (< 0 °C)
71 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
160 d/yr
Annual snowfall
51.5 cm
Average feels-like high
9.7 °C
Average feels-like low
2.3 °C
Average peak gust
37.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.0 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
38.1 °C
27 June 2026
Coldest day
-20.7 °C
23 January 1940
Wettest day
56 mm
9 October 2024
Windiest day
57.4 km/h
24 November 1984
Strongest gust
124.6 km/h
24 November 1984
Hottest feels-like
39.3 °C
27 June 2026
Coldest feels-like
-25.8 °C
23 January 1940
Snowiest day
13.1 cm
13 December 1952
Sunniest day
15.5 h
29 June 2019
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.6 °C | +1.7 °C | 164 mm | +70 mm |
| Feb | 5.5 °C | +1.1 °C | 51 mm | -28 mm |
| Mar | 12.4 °C | +4.0 °C | 16 mm | -62 mm |
| Apr | 16.2 °C | +4.0 °C | 51 mm | -21 mm |
| May | 18.3 °C | +2.1 °C | 53 mm | -29 mm |
| Jun | 23.7 °C | +4.5 °C | 77 mm | -4 mm |
| Jul | 22.8 °C | +1.7 °C | 118 mm | +39 mm |
| Aug | 23.7 °C | +2.9 °C | 45 mm | -30 mm |
| Sep | 17.9 °C | +0.3 °C | 143 mm | +70 mm |
| Oct | 13.2 °C | +0.4 °C | 125 mm | +48 mm |
| Nov | 8.8 °C | +1.8 °C | 71 mm | -19 mm |
| Dec | 6.9 °C | +2.9 °C | 41 mm | -57 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Herbeumont (Belgium) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.9 °C and it receives 978 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 (17.0 °C on average) and the coldest is January (0.8 °C). Rainfall peaks in December.
Herbeumont averages 71 frost days, 2 hot days (≥ 30 °C) and 160 rainy days per year.
Herbeumont has warmed by +1.8 °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 88 to 54 per year over the period.
The hottest day of the period reached 38.1 °C (on 27 June 2026) and the coldest -20.7 °C (on 23 January 1940).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Frequently asked questions
What is the climate of Herbeumont?
Herbeumont has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.9 °C and it receives 978 mm of precipitation per year.
What is the hottest day ever recorded in Herbeumont?
The hottest day measured in Herbeumont between 1940 and 2025 was 27 June 2026, reaching 38.1 °C.
What is the coldest day in Herbeumont?
The coldest day measured in Herbeumont between 1940 and 2025 was 23 January 1940, at -20.7 °C.
Does it snow in Herbeumont?
Yes. Herbeumont gets on average 51.5 cm of snow per year and has around 71 frost days.
Has the climate of Herbeumont warmed?
Yes: Herbeumont warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Herbeumont?
The wettest day measured in Herbeumont between 1940 and 2025 was 9 October 2024, with 56 mm of rain in 24 hours.
What was the windiest day in Herbeumont?
The windiest day measured in Herbeumont between 1940 and 2025 was 24 November 1984, with winds reaching 57.4 km/h.
What is the warmest month in Herbeumont?
The warmest month in Herbeumont is July (17.0 °C on average); the coldest is January (0.8 °C).
How much does it rain in Herbeumont?
Herbeumont receives on average 978 mm of precipitation per year, spread over about 160 rainy days.
Is it sunny in Herbeumont?
Herbeumont 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 Herbeumont?
The heaviest 24-hour snowfall measured in Herbeumont between 1940 and 2025 was 13 December 1952, with 13.1 cm.
Are there tropical nights in Herbeumont?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Herbeumont.
What was the most extreme apparent temperature in Herbeumont?
In Herbeumont, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 27 June 2026, and the lowest was -25.8 °C on 23 January 1940.
These forecasts and records come from our own weather API. Developer documentation →
Compare Herbeumont with another city
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Nearby cities
The climate around Herbeumont