Aulnoye-Aymeries climate — normals and trends
Aulnoye-Aymeries (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 802 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 (2.6 °C). Rainfall peaks in December.
Aulnoye-Aymeries averages 50 frost days, 3 hot days (≥ 30 °C) and 147 rainy days per year.
Aulnoye-Aymeries 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 65 to 35 per year over the period.
The hottest day of the period reached 39.7 °C (on 25 July 2019) and the coldest -19.2 °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.
Climate normals · ERA5
Aulnoye-AymeriesHauts-de-France
- coords
- 50.20°, 3.84°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
13.4°C
Average daily low
6.7°C
Annual rainfall
802mm
Sunshine / day
7.5h
Mean relative humidity
81%
Average peak wind
20.0km/h
Seasonal range
14.9°C
Frost days (< 0 °C)
50 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
147 d/yr
Annual snowfall
20.3 cm
Average feels-like high
10.9 °C
Average feels-like low
3.7 °C
Average peak gust
38.4 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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
39.7 °C
25 July 2019
Coldest day
-19.2 °C
1 January 1979
Wettest day
57 mm
22 June 2023
Windiest day
57.7 km/h
24 November 1984
Strongest gust
126.4 km/h
24 November 1984
Hottest feels-like
39.8 °C
25 July 2019
Coldest feels-like
-24.4 °C
8 January 1985
Snowiest day
12.3 cm
5 March 2012
Sunniest day
15.9 h
1 July 2008
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 | 5.1 °C | +0.4 °C | 174 mm | +106 mm |
| Feb | 6.9 °C | +0.9 °C | 52 mm | -8 mm |
| Mar | 13.0 °C | +3.4 °C | 16 mm | -49 mm |
| Apr | 17.5 °C | +4.4 °C | 22 mm | -38 mm |
| May | 19.3 °C | +2.4 °C | 62 mm | -11 mm |
| Jun | 24.1 °C | +4.3 °C | 61 mm | -9 mm |
| Jul | 24.2 °C | +2.5 °C | 73 mm | +3 mm |
| Aug | 24.7 °C | +3.1 °C | 24 mm | -44 mm |
| Sep | 19.7 °C | +1.0 °C | 54 mm | -5 mm |
| Oct | 14.5 °C | +0.3 °C | 81 mm | +17 mm |
| Nov | 10.1 °C | +1.4 °C | 75 mm | +4 mm |
| Dec | 8.1 °C | +2.4 °C | 32 mm | -41 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 Aulnoye-Aymeries?
Aulnoye-Aymeries has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 802 mm of precipitation per year.
What is the hottest day ever recorded in Aulnoye-Aymeries?
The hottest day measured in Aulnoye-Aymeries between 1940 and 2025 was 25 July 2019, reaching 39.7 °C.
What is the coldest day in Aulnoye-Aymeries?
The coldest day measured in Aulnoye-Aymeries between 1940 and 2025 was 1 January 1979, at -19.2 °C.
Does it snow in Aulnoye-Aymeries?
Yes. Aulnoye-Aymeries gets on average 20.3 cm of snow per year and has around 50 frost days.
Has the climate of Aulnoye-Aymeries warmed?
Yes: Aulnoye-Aymeries warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Aulnoye-Aymeries?
The wettest day measured in Aulnoye-Aymeries between 1940 and 2025 was 22 June 2023, with 57 mm of rain in 24 hours.
What was the windiest day in Aulnoye-Aymeries?
The windiest day measured in Aulnoye-Aymeries between 1940 and 2025 was 24 November 1984, with winds reaching 57.7 km/h.
What is the warmest month in Aulnoye-Aymeries?
The warmest month in Aulnoye-Aymeries is July (17.5 °C on average); the coldest is January (2.6 °C).
How much does it rain in Aulnoye-Aymeries?
Aulnoye-Aymeries receives on average 802 mm of precipitation per year, spread over about 147 rainy days.
Is it sunny in Aulnoye-Aymeries?
Aulnoye-Aymeries 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 Aulnoye-Aymeries?
The heaviest 24-hour snowfall measured in Aulnoye-Aymeries between 1940 and 2025 was 5 March 2012, with 12.3 cm.
Are there tropical nights in Aulnoye-Aymeries?
Yes: Aulnoye-Aymeries has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Aulnoye-Aymeries?
In Aulnoye-Aymeries, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 25 July 2019, and the lowest was -24.4 °C on 8 January 1985.
Compare Aulnoye-Aymeries with another city
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Nearby cities
The climate around Aulnoye-Aymeries