Boignée climate — normals and trends
Boignée has a temperate oceanic climate, averaging 9.8 °C annually with 780 mm of rain per year.
Climate normals · ERA5
BoignéeWallonia
- coords
- 50.50°, 4.61°
- 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
9.8°C
Average daily high
13.2°C
Average daily low
6.3°C
Annual rainfall
780mm
Sunshine / day
7.6h
Mean relative humidity
80%
Average peak wind
19.9km/h
Seasonal range
15.2°C
Frost days (< 0 °C)
54 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
149 d/yr
Annual snowfall
24.8 cm
Average feels-like high
10.6 °C
Average feels-like low
3.3 °C
Average peak gust
38.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.8 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+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).
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
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
10.6 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 compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.9 °C | +0.5 °C | 163 mm | +97 mm |
| Feb | 6.8 °C | +1.2 °C | 46 mm | -13 mm |
| Mar | 12.9 °C | +3.6 °C | 16 mm | -46 mm |
| Apr | 16.9 °C | +4.0 °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 | -8 mm |
| Jul | 23.7 °C | +2.1 °C | 85 mm | +12 mm |
| Aug | 24.0 °C | +2.6 °C | 40 mm | -28 mm |
| Sep | 19.3 °C | +0.9 °C | 58 mm | -0 mm |
| Oct | 14.1 °C | +0.2 °C | 74 mm | +13 mm |
| Nov | 10.1 °C | +1.7 °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?
The weather actually measured on a given date, anywhere in the covered window.
Boignée (Belgium) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.8 °C and it receives 780 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 (17.5 °C on average) and the coldest is January (2.3 °C). Rainfall peaks in July.
Boignée averages 54 frost days, 3 hot days (≥ 30 °C) and 149 rainy days per year.
Boignée 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 71 to 37 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.
Frequently asked questions
What is the climate of Boignée?
Boignée has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.8 °C and it receives 780 mm of precipitation per year.
What is the hottest day ever recorded in Boignée?
The hottest day measured in Boignée between 1940 and 2025 was 19 July 2022, reaching 37.3 °C.
What is the coldest day in Boignée?
The coldest day measured in Boignée between 1940 and 2025 was 3 February 1942, at -21.4 °C.
Does it snow in Boignée?
Yes. Boignée gets on average 24.8 cm of snow per year and has around 54 frost days.
Has the climate of Boignée warmed?
Yes: Boignée warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Boignée?
The wettest day measured in Boignée between 1940 and 2025 was 22 June 2023, with 63 mm of rain in 24 hours.
What was the windiest day in Boignée?
The windiest day measured in Boignée between 1940 and 2025 was 27 October 2002, with winds reaching 56.7 km/h.
What is the warmest month in Boignée?
The warmest month in Boignée is July (17.5 °C on average); the coldest is January (2.3 °C).
How much does it rain in Boignée?
Boignée receives on average 780 mm of precipitation per year, spread over about 149 rainy days.
Is it sunny in Boignée?
Boignée 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 Boignée?
The heaviest 24-hour snowfall measured in Boignée between 1940 and 2025 was 10 December 1990, with 10.6 cm.
Are there tropical nights in Boignée?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Boignée.
What was the most extreme apparent temperature in Boignée?
In Boignée, 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.
These forecasts and records come from our own weather API. Developer documentation →
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Nearby cities
The climate around Boignée