Commercy climate — normals and trends
Commercy has a temperate oceanic climate, averaging 9.9 °C annually with 852 mm of rain per year.
Climate normals · ERA5
CommercyGrand Est
- coords
- 48.76°, 5.59°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
9.9°C
Average daily high
13.5°C
Average daily low
6.6°C
Annual rainfall
852mm
Sunshine / day
7.7h
Mean relative humidity
79%
Average peak wind
18.4km/h
Seasonal range
16.8°C
Frost days (< 0 °C)
57 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
31.6 cm
Average feels-like high
11.2 °C
Average feels-like low
3.7 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.5 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
39.4 °C
25 July 2019
Coldest day
-19.6 °C
8 January 1985
Wettest day
58 mm
16 September 1986
Windiest day
65.4 km/h
26 December 1999
Strongest gust
142.9 km/h
26 December 1999
Hottest feels-like
38.9 °C
24 July 2019
Coldest feels-like
-26.3 °C
10 February 1956
Snowiest day
13.0 cm
9 January 1968
Sunniest day
15.3 h
29 June 2019
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 5.9 °C | +2.1 °C | 116 mm | +39 mm |
| Feb | 6.8 °C | +1.3 °C | 47 mm | -22 mm |
| Mar | 13.0 °C | +3.3 °C | 26 mm | -43 mm |
| Apr | 16.9 °C | +3.5 °C | 56 mm | -9 mm |
| May | 19.7 °C | +2.2 °C | 26 mm | -50 mm |
| Jun | 25.8 °C | +5.0 °C | 45 mm | -25 mm |
| Jul | 23.8 °C | +0.8 °C | 92 mm | +30 mm |
| Aug | 25.8 °C | +3.1 °C | 68 mm | +3 mm |
| Sep | 19.2 °C | 0.0 °C | 166 mm | +99 mm |
| Oct | 14.5 °C | +0.4 °C | 99 mm | +30 mm |
| Nov | 10.2 °C | +2.2 °C | 68 mm | -11 mm |
| Dec | 7.5 °C | +2.7 °C | 41 mm | -44 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Commercy (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.9 °C and it receives 852 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 (1.6 °C). Rainfall peaks in December.
Commercy averages 57 frost days, 5 hot days (≥ 30 °C) and 145 rainy days per year.
Commercy 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 69 to 45 per year over the period.
The hottest day of the period reached 39.4 °C (on 25 July 2019) and the coldest -19.6 °C (on 8 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.
Compare Commercy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Commercy
Other cities — France
Frequently asked questions
What is the climate of Commercy?
Commercy has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.9 °C and it receives 852 mm of precipitation per year.
What is the hottest day ever recorded in Commercy?
The hottest day measured in Commercy between 1940 and 2025 was 25 July 2019, reaching 39.4 °C.
What is the coldest day in Commercy?
The coldest day measured in Commercy between 1940 and 2025 was 8 January 1985, at -19.6 °C.
Does it snow in Commercy?
Yes. Commercy gets on average 31.6 cm of snow per year and has around 57 frost days.
Has the climate of Commercy warmed?
Yes: Commercy warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Commercy?
The wettest day measured in Commercy between 1940 and 2025 was 16 September 1986, with 58 mm of rain in 24 hours.
What was the windiest day in Commercy?
The windiest day measured in Commercy between 1940 and 2025 was 26 December 1999, with winds reaching 65.4 km/h.
What is the warmest month in Commercy?
The warmest month in Commercy is July (18.4 °C on average); the coldest is January (1.6 °C).
How much does it rain in Commercy?
Commercy receives on average 852 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Commercy?
Commercy 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 Commercy?
The heaviest 24-hour snowfall measured in Commercy between 1940 and 2025 was 9 January 1968, with 13.0 cm.
Are there tropical nights in Commercy?
Yes: Commercy has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Commercy?
In Commercy, between 1940 and 2025, the highest apparent temperature reached 38.9 °C on 24 July 2019, and the lowest was -26.3 °C on 10 February 1956.
These forecasts and records come from our own weather API. Developer documentation →