Porcheresse climate — normals and trends
Porcheresse has a temperate oceanic climate, averaging 9.1 °C annually with 883 mm of rain per year.
Climate normals · ERA5
PorcheresseWallonia
- coords
- 50.34°, 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
9.1°C
Average daily high
12.4°C
Average daily low
5.6°C
Annual rainfall
883mm
Sunshine / day
7.3h
Mean relative humidity
82%
Average peak wind
19.9km/h
Seasonal range
15.6°C
Frost days (< 0 °C)
66 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
162 d/yr
Annual snowfall
42.3 cm
Average feels-like high
9.8 °C
Average feels-like low
2.5 °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
36.9 °C
25 July 2019
Coldest day
-22.4 °C
1 January 1979
Wettest day
58 mm
9 October 2024
Windiest day
58.1 km/h
24 November 1984
Strongest gust
126.0 km/h
24 November 1984
Hottest feels-like
39.2 °C
25 July 2019
Coldest feels-like
-28.0 °C
1 January 1979
Snowiest day
14.7 cm
13 December 1952
Sunniest day
15.6 h
1 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 | 4.6 °C | +1.2 °C | 167 mm | +88 mm |
| Feb | 6.0 °C | +1.3 °C | 46 mm | -23 mm |
| Mar | 12.4 °C | +3.9 °C | 13 mm | -59 mm |
| Apr | 16.1 °C | +3.9 °C | 48 mm | -18 mm |
| May | 18.3 °C | +2.1 °C | 54 mm | -23 mm |
| Jun | 23.1 °C | +4.0 °C | 77 mm | -1 mm |
| Jul | 22.6 °C | +1.6 °C | 116 mm | +35 mm |
| Aug | 23.2 °C | +2.5 °C | 46 mm | -30 mm |
| Sep | 18.1 °C | +0.5 °C | 106 mm | +42 mm |
| Oct | 13.1 °C | 0.0 °C | 87 mm | +20 mm |
| Nov | 9.3 °C | +1.8 °C | 65 mm | -12 mm |
| Dec | 7.4 °C | +2.9 °C | 28 mm | -54 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.
Porcheresse (Belgium) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 883 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 (16.9 °C on average) and the coldest is January (1.3 °C). Rainfall peaks in December.
Porcheresse averages 66 frost days, 2 hot days (≥ 30 °C) and 162 rainy days per year.
Porcheresse 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 84 to 48 per year over the period.
The hottest day of the period reached 36.9 °C (on 25 July 2019) and the coldest -22.4 °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.
Frequently asked questions
What is the climate of Porcheresse?
Porcheresse has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 883 mm of precipitation per year.
What is the hottest day ever recorded in Porcheresse?
The hottest day measured in Porcheresse between 1940 and 2025 was 25 July 2019, reaching 36.9 °C.
What is the coldest day in Porcheresse?
The coldest day measured in Porcheresse between 1940 and 2025 was 1 January 1979, at -22.4 °C.
Does it snow in Porcheresse?
Yes. Porcheresse gets on average 42.3 cm of snow per year and has around 66 frost days.
Has the climate of Porcheresse warmed?
Yes: Porcheresse warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Porcheresse?
The wettest day measured in Porcheresse between 1940 and 2025 was 9 October 2024, with 58 mm of rain in 24 hours.
What was the windiest day in Porcheresse?
The windiest day measured in Porcheresse between 1940 and 2025 was 24 November 1984, with winds reaching 58.1 km/h.
What is the warmest month in Porcheresse?
The warmest month in Porcheresse is July (16.9 °C on average); the coldest is January (1.3 °C).
How much does it rain in Porcheresse?
Porcheresse receives on average 883 mm of precipitation per year, spread over about 162 rainy days.
Is it sunny in Porcheresse?
Porcheresse gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Porcheresse?
The heaviest 24-hour snowfall measured in Porcheresse between 1940 and 2025 was 13 December 1952, with 14.7 cm.
Are there tropical nights in Porcheresse?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Porcheresse.
What was the most extreme apparent temperature in Porcheresse?
In Porcheresse, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 25 July 2019, and the lowest was -28.0 °C on 1 January 1979.
These forecasts and records come from our own weather API. Developer documentation →
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Nearby cities
The climate around Porcheresse