Rethel climate — normals and trends
Rethel (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 799 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 (18.4 °C on average) and the coldest is January (2.5 °C). Rainfall peaks in December.
Rethel averages 51 frost days, 5 hot days (≥ 30 °C) and 141 rainy days per year.
Rethel has warmed by +2.0 °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 65 to 37 per year over the period.
The hottest day of the period reached 42.5 °C (on 25 July 2019) and the coldest -21.3 °C (on 30 December 1950).
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
RethelGrand Est
- coords
- 49.51°, 4.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
14.0°C
Average daily low
6.8°C
Annual rainfall
799mm
Sunshine / day
7.7h
Mean relative humidity
79%
Average peak wind
18.8km/h
Seasonal range
15.9°C
Frost days (< 0 °C)
51 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
19.4 cm
Average feels-like high
11.7 °C
Average feels-like low
4.0 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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
42.5 °C
25 July 2019
Coldest day
-21.3 °C
30 December 1950
Wettest day
55 mm
9 October 2024
Windiest day
57.4 km/h
3 February 1990
Strongest gust
116.6 km/h
24 November 1984
Hottest feels-like
42.7 °C
25 July 2019
Coldest feels-like
-26.4 °C
30 December 1950
Snowiest day
10.2 cm
21 November 1971
Sunniest day
15.6 h
2 July 2006
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 | 5.9 °C | +1.1 °C | 142 mm | +71 mm |
| Feb | 7.1 °C | +0.7 °C | 47 mm | -16 mm |
| Mar | 13.8 °C | +3.5 °C | 13 mm | -51 mm |
| Apr | 18.2 °C | +4.4 °C | 32 mm | -27 mm |
| May | 20.3 °C | +2.6 °C | 34 mm | -35 mm |
| Jun | 25.7 °C | +4.9 °C | 77 mm | +13 mm |
| Jul | 24.7 °C | +1.7 °C | 101 mm | +39 mm |
| Aug | 25.7 °C | +2.9 °C | 37 mm | -25 mm |
| Sep | 20.0 °C | +0.5 °C | 107 mm | +48 mm |
| Oct | 15.3 °C | +0.7 °C | 81 mm | +13 mm |
| Nov | 10.5 °C | +1.6 °C | 67 mm | -10 mm |
| Dec | 8.4 °C | +2.6 °C | 39 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 Rethel?
Rethel has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 799 mm of precipitation per year.
What is the hottest day ever recorded in Rethel?
The hottest day measured in Rethel between 1940 and 2025 was 25 July 2019, reaching 42.5 °C.
What is the coldest day in Rethel?
The coldest day measured in Rethel between 1940 and 2025 was 30 December 1950, at -21.3 °C.
Does it snow in Rethel?
Yes. Rethel gets on average 19.4 cm of snow per year and has around 51 frost days.
Has the climate of Rethel warmed?
Yes: Rethel warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rethel?
The wettest day measured in Rethel between 1940 and 2025 was 9 October 2024, with 55 mm of rain in 24 hours.
What was the windiest day in Rethel?
The windiest day measured in Rethel between 1940 and 2025 was 3 February 1990, with winds reaching 57.4 km/h.
What is the warmest month in Rethel?
The warmest month in Rethel is July (18.4 °C on average); the coldest is January (2.5 °C).
How much does it rain in Rethel?
Rethel receives on average 799 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Rethel?
Rethel gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rethel?
The heaviest 24-hour snowfall measured in Rethel between 1940 and 2025 was 21 November 1971, with 10.2 cm.
Are there tropical nights in Rethel?
Yes: Rethel has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rethel?
In Rethel, between 1940 and 2025, the highest apparent temperature reached 42.7 °C on 25 July 2019, and the lowest was -26.4 °C on 30 December 1950.
Compare Rethel with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rethel