Dreux climate — normals and trends
Dreux (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.5 °C and it receives 608 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 (18.2 °C on average) and the coldest is January (3.3 °C). Rainfall peaks in May.
Dreux averages 46 frost days, 4 hot days (≥ 30 °C) and 122 rainy days per year.
Dreux has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 59 to 33 per year over the period.
The hottest day of the period reached 39.8 °C (on 25 July 2019) and the coldest -19.9 °C (on 17 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.
Climate normals · ERA5
DreuxCentre-Val de Loire
- coords
- 48.74°, 1.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.5°C
Average daily high
14.3°C
Average daily low
6.9°C
Annual rainfall
608mm
Sunshine / day
7.7h
Mean relative humidity
80%
Average peak wind
19.8km/h
Seasonal range
14.9°C
Frost days (< 0 °C)
46 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
122 d/yr
Annual snowfall
14.3 cm
Average feels-like high
11.9 °C
Average feels-like low
4.1 °C
Average peak gust
37.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
39.8 °C
25 July 2019
Coldest day
-19.9 °C
17 January 1985
Wettest day
47 mm
13 June 1964
Windiest day
61.2 km/h
11 March 1963
Strongest gust
121.3 km/h
25 January 1990
Hottest feels-like
40.1 °C
30 July 2024
Coldest feels-like
-25.3 °C
17 January 1985
Snowiest day
16.6 cm
25 April 1941
Sunniest day
15.9 h
28 June 2025
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 | 6.3 °C | +0.5 °C | 131 mm | +82 mm |
| Feb | 7.7 °C | +0.5 °C | 49 mm | +4 mm |
| Mar | 12.8 °C | +2.3 °C | 36 mm | -12 mm |
| Apr | 17.9 °C | +4.4 °C | 29 mm | -22 mm |
| May | 20.1 °C | +3.0 °C | 49 mm | -12 mm |
| Jun | 25.8 °C | +5.3 °C | 46 mm | -7 mm |
| Jul | 25.2 °C | +2.3 °C | 59 mm | +12 mm |
| Aug | 26.1 °C | +3.3 °C | 29 mm | -18 mm |
| Sep | 20.0 °C | +0.1 °C | 48 mm | +2 mm |
| Oct | 15.9 °C | +0.7 °C | 46 mm | -8 mm |
| Nov | 11.3 °C | +1.7 °C | 43 mm | -11 mm |
| Dec | 8.7 °C | +2.1 °C | 31 mm | -22 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 Dreux?
Dreux has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.5 °C and it receives 608 mm of precipitation per year.
What is the hottest day ever recorded in Dreux?
The hottest day measured in Dreux between 1940 and 2025 was 25 July 2019, reaching 39.8 °C.
What is the coldest day in Dreux?
The coldest day measured in Dreux between 1940 and 2025 was 17 January 1985, at -19.9 °C.
Does it snow in Dreux?
Yes. Dreux gets on average 14.3 cm of snow per year and has around 46 frost days.
Has the climate of Dreux warmed?
Yes: Dreux warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dreux?
The wettest day measured in Dreux between 1940 and 2025 was 13 June 1964, with 47 mm of rain in 24 hours.
What was the windiest day in Dreux?
The windiest day measured in Dreux between 1940 and 2025 was 11 March 1963, with winds reaching 61.2 km/h.
What is the warmest month in Dreux?
The warmest month in Dreux is July (18.2 °C on average); the coldest is January (3.3 °C).
How much does it rain in Dreux?
Dreux receives on average 608 mm of precipitation per year, spread over about 122 rainy days.
Is it sunny in Dreux?
Dreux 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 Dreux?
The heaviest 24-hour snowfall measured in Dreux between 1940 and 2025 was 25 April 1941, with 16.6 cm.
Are there tropical nights in Dreux?
Yes: Dreux has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dreux?
In Dreux, between 1940 and 2025, the highest apparent temperature reached 40.1 °C on 30 July 2024, and the lowest was -25.3 °C on 17 January 1985.
Compare Dreux with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dreux