Metz climate — normals and trends
Metz (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.1 °C and it receives 798 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 (18.9 °C on average) and the coldest is January (1.5 °C). Rainfall peaks in May.
Metz averages 60 frost days, 8 hot days (≥ 30 °C) and 142 rainy days per year.
Metz has warmed by +1.9 °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 73 to 47 per year over the period.
The hottest day of the period reached 40.1 °C (on 25 July 2019) and the coldest -19.8 °C (on 13 January 1968).
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
MetzGrand Est
- coords
- 49.12°, 6.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.1°C
Average daily high
13.9°C
Average daily low
6.5°C
Annual rainfall
798mm
Sunshine / day
7.7h
Mean relative humidity
78%
Average peak wind
18.3km/h
Seasonal range
17.4°C
Frost days (< 0 °C)
60 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
26.4 cm
Average feels-like high
11.4 °C
Average feels-like low
3.7 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
-19.8 °C
13 January 1968
Wettest day
63 mm
20 June 2013
Windiest day
68.5 km/h
26 December 1999
Strongest gust
135.7 km/h
26 December 1999
Hottest feels-like
39.8 °C
2 July 2025
Coldest feels-like
-25.2 °C
10 February 1956
Snowiest day
11.2 cm
19 February 1978
Sunniest day
15.2 h
25 June 2014
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 | 6.0 °C | +2.2 °C | 106 mm | +40 mm |
| Feb | 6.7 °C | +1.0 °C | 46 mm | -14 mm |
| Mar | 13.4 °C | +3.5 °C | 22 mm | -40 mm |
| Apr | 17.4 °C | +3.6 °C | 67 mm | +6 mm |
| May | 20.6 °C | +2.6 °C | 31 mm | -44 mm |
| Jun | 26.5 °C | +5.0 °C | 50 mm | -20 mm |
| Jul | 25.1 °C | +1.4 °C | 85 mm | +23 mm |
| Aug | 26.7 °C | +3.3 °C | 63 mm | -4 mm |
| Sep | 19.6 °C | -0.1 °C | 169 mm | +104 mm |
| Oct | 14.6 °C | +0.3 °C | 82 mm | +18 mm |
| Nov | 9.9 °C | +1.8 °C | 58 mm | -13 mm |
| Dec | 7.6 °C | +2.8 °C | 33 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 Metz?
Metz has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.1 °C and it receives 798 mm of precipitation per year.
What is the hottest day ever recorded in Metz?
The hottest day measured in Metz between 1940 and 2025 was 25 July 2019, reaching 40.1 °C.
What is the coldest day in Metz?
The coldest day measured in Metz between 1940 and 2025 was 13 January 1968, at -19.8 °C.
Does it snow in Metz?
Yes. Metz gets on average 26.4 cm of snow per year and has around 60 frost days.
Has the climate of Metz warmed?
Yes: Metz warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Metz?
The wettest day measured in Metz between 1940 and 2025 was 20 June 2013, with 63 mm of rain in 24 hours.
What was the windiest day in Metz?
The windiest day measured in Metz between 1940 and 2025 was 26 December 1999, with winds reaching 68.5 km/h.
What is the warmest month in Metz?
The warmest month in Metz is July (18.9 °C on average); the coldest is January (1.5 °C).
How much does it rain in Metz?
Metz receives on average 798 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Metz?
Metz 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 Metz?
The heaviest 24-hour snowfall measured in Metz between 1940 and 2025 was 19 February 1978, with 11.2 cm.
Are there tropical nights in Metz?
Yes: Metz has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Metz?
In Metz, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 2 July 2025, and the lowest was -25.2 °C on 10 February 1956.
Compare Metz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Metz