Guignies climate — normals and trends
Guignies has a temperate oceanic climate, averaging 10.5 °C annually with 685 mm of rain per year.
Climate normals · ERA5
GuigniesWallonia
- coords
- 50.55°, 3.37°
- 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
10.5°C
Average daily high
13.9°C
Average daily low
7.0°C
Annual rainfall
685mm
Sunshine / day
7.8h
Mean relative humidity
79%
Average peak wind
19.3km/h
Seasonal range
14.6°C
Frost days (< 0 °C)
43 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
13.5 cm
Average feels-like high
11.5 °C
Average feels-like low
4.2 °C
Average peak gust
38.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.9 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 = 0.45 · 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).
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
40.3 °C
25 July 2019
Coldest day
-21.8 °C
8 January 1985
Wettest day
54 mm
16 August 2010
Windiest day
57.3 km/h
25 January 1990
Strongest gust
124.2 km/h
18 January 2007
Hottest feels-like
39.9 °C
25 July 2019
Coldest feels-like
-26.9 °C
8 January 1985
Snowiest day
9.9 cm
20 February 1957
Sunniest day
15.9 h
24 June 2020
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 | 5.5 °C | 0.0 °C | 140 mm | +82 mm |
| Feb | 7.1 °C | +0.4 °C | 40 mm | -10 mm |
| Mar | 13.0 °C | +2.9 °C | 12 mm | -42 mm |
| Apr | 17.6 °C | +4.2 °C | 20 mm | -31 mm |
| May | 19.4 °C | +2.2 °C | 36 mm | -26 mm |
| Jun | 23.9 °C | +3.8 °C | 49 mm | -10 mm |
| Jul | 24.3 °C | +2.3 °C | 67 mm | +8 mm |
| Aug | 24.5 °C | +2.6 °C | 20 mm | -38 mm |
| Sep | 20.0 °C | +0.9 °C | 43 mm | -9 mm |
| Oct | 15.1 °C | +0.4 °C | 69 mm | +11 mm |
| Nov | 10.7 °C | +1.3 °C | 61 mm | -1 mm |
| Dec | 8.6 °C | +2.1 °C | 34 mm | -28 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.
Guignies (Belgium) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.5 °C and it receives 685 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 (17.9 °C on average) and the coldest is January (3.3 °C). Rainfall peaks in November.
Guignies averages 43 frost days, 3 hot days (≥ 30 °C) and 137 rainy days per year.
Guignies 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 60 to 26 per year over the period.
The hottest day of the period reached 40.3 °C (on 25 July 2019) and the coldest -21.8 °C (on 8 January 1985).
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 Guignies?
Guignies has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.5 °C and it receives 685 mm of precipitation per year.
What is the hottest day ever recorded in Guignies?
The hottest day measured in Guignies between 1940 and 2025 was 25 July 2019, reaching 40.3 °C.
What is the coldest day in Guignies?
The coldest day measured in Guignies between 1940 and 2025 was 8 January 1985, at -21.8 °C.
Does it snow in Guignies?
Yes. Guignies gets on average 13.5 cm of snow per year and has around 43 frost days.
Has the climate of Guignies warmed?
Yes: Guignies warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guignies?
The wettest day measured in Guignies between 1940 and 2025 was 16 August 2010, with 54 mm of rain in 24 hours.
What was the windiest day in Guignies?
The windiest day measured in Guignies between 1940 and 2025 was 25 January 1990, with winds reaching 57.3 km/h.
What is the warmest month in Guignies?
The warmest month in Guignies is July (17.9 °C on average); the coldest is January (3.3 °C).
How much does it rain in Guignies?
Guignies receives on average 685 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Guignies?
Guignies gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Guignies?
The heaviest 24-hour snowfall measured in Guignies between 1940 and 2025 was 20 February 1957, with 9.9 cm.
Are there tropical nights in Guignies?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Guignies.
What was the most extreme apparent temperature in Guignies?
In Guignies, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 25 July 2019, and the lowest was -26.9 °C on 8 January 1985.
These forecasts and records come from our own weather API. Developer documentation →
Compare Guignies with another city
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Nearby cities
The climate around Guignies