Millau climate — normals and trends
Millau (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.1 °C and it receives 827 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 (18.7 °C on average) and the coldest is January (2.4 °C). Rainfall peaks in October.
Millau averages 63 frost days, 4 hot days (≥ 30 °C) and 118 rainy days per year.
Millau 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 79 to 47 per year over the period.
The hottest day of the period reached 36.8 °C (on 23 August 2023) and the coldest -25.3 °C (on 4 February 1963).
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
MillauOccitanie
- coords
- 44.10°, 3.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.1°C
Average daily high
14.4°C
Average daily low
6.1°C
Annual rainfall
827mm
Sunshine / day
9.2h
Mean relative humidity
78%
Average peak wind
18.1km/h
Seasonal range
16.3°C
Frost days (< 0 °C)
63 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
118 d/yr
Annual snowfall
41.9 cm
Average feels-like high
12.2 °C
Average feels-like low
3.4 °C
Average peak gust
42.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.53 · 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
36.8 °C
23 August 2023
Coldest day
-25.3 °C
4 February 1963
Wettest day
100 mm
15 September 1953
Windiest day
50.5 km/h
7 November 1982
Strongest gust
135.4 km/h
28 December 1999
Hottest feels-like
39.3 °C
12 August 2025
Coldest feels-like
-30.1 °C
4 February 1963
Snowiest day
47.9 cm
28 January 2006
Sunniest day
14.9 h
24 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 | 7.7 °C | +2.1 °C | 63 mm | -8 mm |
| Feb | 9.7 °C | +2.6 °C | 49 mm | -18 mm |
| Mar | 10.0 °C | -0.3 °C | 104 mm | +35 mm |
| Apr | 15.2 °C | +2.2 °C | 77 mm | -3 mm |
| May | 18.3 °C | +1.5 °C | 74 mm | -8 mm |
| Jun | 27.3 °C | +6.3 °C | 37 mm | -17 mm |
| Jul | 26.0 °C | +2.1 °C | 26 mm | -13 mm |
| Aug | 28.3 °C | +4.7 °C | 74 mm | +17 mm |
| Sep | 19.2 °C | -0.9 °C | 83 mm | +11 mm |
| Oct | 16.8 °C | +1.6 °C | 54 mm | -31 mm |
| Nov | 10.1 °C | +0.6 °C | 83 mm | +10 mm |
| Dec | 8.9 °C | +2.5 °C | 173 mm | +95 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 Millau?
Millau has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.1 °C and it receives 827 mm of precipitation per year.
What is the hottest day ever recorded in Millau?
The hottest day measured in Millau between 1940 and 2025 was 23 August 2023, reaching 36.8 °C.
What is the coldest day in Millau?
The coldest day measured in Millau between 1940 and 2025 was 4 February 1963, at -25.3 °C.
Does it snow in Millau?
Yes. Millau gets on average 41.9 cm of snow per year and has around 63 frost days.
Has the climate of Millau warmed?
Yes: Millau warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Millau?
The wettest day measured in Millau between 1940 and 2025 was 15 September 1953, with 100 mm of rain in 24 hours.
What was the windiest day in Millau?
The windiest day measured in Millau between 1940 and 2025 was 7 November 1982, with winds reaching 50.5 km/h.
What is the warmest month in Millau?
The warmest month in Millau is July (18.7 °C on average); the coldest is January (2.4 °C).
How much does it rain in Millau?
Millau receives on average 827 mm of precipitation per year, spread over about 118 rainy days.
Is it sunny in Millau?
Millau gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Millau?
The heaviest 24-hour snowfall measured in Millau between 1940 and 2025 was 28 January 2006, with 47.9 cm.
Are there tropical nights in Millau?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Millau.
What was the most extreme apparent temperature in Millau?
In Millau, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 12 August 2025, and the lowest was -30.1 °C on 4 February 1963.
Compare Millau with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Millau