Saint-Memmie climate — normals and trends
Saint-Memmie (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.5 °C and it receives 794 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 (18.8 °C on average) and the coldest is January (2.5 °C). Rainfall peaks in December.
Saint-Memmie averages 51 frost days, 7 hot days (≥ 30 °C) and 140 rainy days per year.
Saint-Memmie has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 63 to 39 per year over the period.
The hottest day of the period reached 41.8 °C (on 25 July 2019) and the coldest -20.8 °C (on 9 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
Saint-MemmieGrand Est
- coords
- 48.95°, 4.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.5°C
Average daily high
14.3°C
Average daily low
7.0°C
Annual rainfall
794mm
Sunshine / day
7.8h
Mean relative humidity
78%
Average peak wind
18.0km/h
Seasonal range
16.3°C
Frost days (< 0 °C)
51 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
18.9 cm
Average feels-like high
12.0 °C
Average feels-like low
4.2 °C
Average peak gust
35.4 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
41.8 °C
25 July 2019
Coldest day
-20.8 °C
9 January 1985
Wettest day
46 mm
16 July 1958
Windiest day
68.6 km/h
26 December 1999
Strongest gust
131.4 km/h
26 December 1999
Hottest feels-like
40.3 °C
2 July 2025
Coldest feels-like
-25.7 °C
9 January 1985
Snowiest day
12.5 cm
9 January 1968
Sunniest day
15.5 h
30 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 | 6.6 °C | +1.8 °C | 125 mm | +56 mm |
| Feb | 7.3 °C | +0.8 °C | 42 mm | -20 mm |
| Mar | 14.0 °C | +3.5 °C | 16 mm | -46 mm |
| Apr | 18.2 °C | +4.1 °C | 39 mm | -20 mm |
| May | 20.7 °C | +2.7 °C | 35 mm | -36 mm |
| Jun | 26.5 °C | +5.2 °C | 69 mm | +4 mm |
| Jul | 24.5 °C | +1.0 °C | 123 mm | +61 mm |
| Aug | 25.7 °C | +2.4 °C | 53 mm | -9 mm |
| Sep | 20.0 °C | +0.1 °C | 120 mm | +60 mm |
| Oct | 15.4 °C | +0.6 °C | 77 mm | +9 mm |
| Nov | 10.7 °C | +1.8 °C | 66 mm | -9 mm |
| Dec | 8.4 °C | +2.7 °C | 42 mm | -38 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 Saint-Memmie?
Saint-Memmie has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.5 °C and it receives 794 mm of precipitation per year.
What is the hottest day ever recorded in Saint-Memmie?
The hottest day measured in Saint-Memmie between 1940 and 2025 was 25 July 2019, reaching 41.8 °C.
What is the coldest day in Saint-Memmie?
The coldest day measured in Saint-Memmie between 1940 and 2025 was 9 January 1985, at -20.8 °C.
Does it snow in Saint-Memmie?
Yes. Saint-Memmie gets on average 18.9 cm of snow per year and has around 51 frost days.
Has the climate of Saint-Memmie warmed?
Yes: Saint-Memmie warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Saint-Memmie?
The wettest day measured in Saint-Memmie between 1940 and 2025 was 16 July 1958, with 46 mm of rain in 24 hours.
What was the windiest day in Saint-Memmie?
The windiest day measured in Saint-Memmie between 1940 and 2025 was 26 December 1999, with winds reaching 68.6 km/h.
What is the warmest month in Saint-Memmie?
The warmest month in Saint-Memmie is July (18.8 °C on average); the coldest is January (2.5 °C).
How much does it rain in Saint-Memmie?
Saint-Memmie receives on average 794 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Saint-Memmie?
Saint-Memmie gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Saint-Memmie?
The heaviest 24-hour snowfall measured in Saint-Memmie between 1940 and 2025 was 9 January 1968, with 12.5 cm.
Are there tropical nights in Saint-Memmie?
Yes: Saint-Memmie has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Saint-Memmie?
In Saint-Memmie, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 2 July 2025, and the lowest was -25.7 °C on 9 January 1985.
Compare Saint-Memmie with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Saint-Memmie