Ans climate — normals and trends
Ans (Belgium) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.9 °C and it receives 812 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 (17.7 °C on average) and the coldest is January (2.2 °C). Rainfall peaks in July.
Ans averages 52 frost days, 4 hot days (≥ 30 °C) and 153 rainy days per year.
Ans has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 68 to 36 per year over the period.
The hottest day of the period reached 40.1 °C (on 25 July 2019) and the coldest -21.7 °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.
Climate normals · ERA5
AnsWallonia
- coords
- 50.66°, 5.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.9°C
Average daily high
13.3°C
Average daily low
6.6°C
Annual rainfall
812mm
Sunshine / day
7.5h
Mean relative humidity
79%
Average peak wind
19.2km/h
Seasonal range
15.5°C
Frost days (< 0 °C)
52 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
25.9 cm
Average feels-like high
10.8 °C
Average feels-like low
3.7 °C
Average peak gust
38.3 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °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).
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
40.1 °C
25 July 2019
Coldest day
-21.7 °C
3 February 1942
Wettest day
52 mm
13 November 2010
Windiest day
57.6 km/h
24 November 1984
Strongest gust
126.4 km/h
18 January 2007
Hottest feels-like
41.1 °C
25 July 2019
Coldest feels-like
-27.1 °C
3 February 1942
Snowiest day
11.5 cm
16 February 1969
Sunniest day
15.6 h
30 June 2015
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 | 4.9 °C | +0.6 °C | 160 mm | +93 mm |
| Feb | 6.9 °C | +1.3 °C | 39 mm | -23 mm |
| Mar | 13.0 °C | +3.6 °C | 12 mm | -53 mm |
| Apr | 16.8 °C | +3.7 °C | 52 mm | -7 mm |
| May | 19.7 °C | +2.5 °C | 51 mm | -19 mm |
| Jun | 24.0 °C | +3.9 °C | 83 mm | +10 mm |
| Jul | 23.9 °C | +2.0 °C | 93 mm | +15 mm |
| Aug | 24.2 °C | +2.5 °C | 31 mm | -42 mm |
| Sep | 19.4 °C | +0.8 °C | 102 mm | +41 mm |
| Oct | 13.8 °C | -0.2 °C | 81 mm | +18 mm |
| Nov | 10.3 °C | +1.8 °C | 63 mm | -6 mm |
| Dec | 8.1 °C | +2.7 °C | 31 mm | -42 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 Ans?
Ans has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.9 °C and it receives 812 mm of precipitation per year.
What is the hottest day ever recorded in Ans?
The hottest day measured in Ans between 1940 and 2025 was 25 July 2019, reaching 40.1 °C.
What is the coldest day in Ans?
The coldest day measured in Ans between 1940 and 2025 was 3 February 1942, at -21.7 °C.
Does it snow in Ans?
Yes. Ans gets on average 25.9 cm of snow per year and has around 52 frost days.
Has the climate of Ans warmed?
Yes: Ans warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ans?
The wettest day measured in Ans between 1940 and 2025 was 13 November 2010, with 52 mm of rain in 24 hours.
What was the windiest day in Ans?
The windiest day measured in Ans between 1940 and 2025 was 24 November 1984, with winds reaching 57.6 km/h.
What is the warmest month in Ans?
The warmest month in Ans is July (17.7 °C on average); the coldest is January (2.2 °C).
How much does it rain in Ans?
Ans receives on average 812 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Ans?
Ans 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 Ans?
The heaviest 24-hour snowfall measured in Ans between 1940 and 2025 was 16 February 1969, with 11.5 cm.
Are there tropical nights in Ans?
Yes: Ans has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ans?
In Ans, between 1940 and 2025, the highest apparent temperature reached 41.1 °C on 25 July 2019, and the lowest was -27.1 °C on 3 February 1942.
Compare Ans with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ans