Lognes climate — normals and trends
Lognes (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.0 °C and it receives 709 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 (19.0 °C on average) and the coldest is January (3.3 °C). Rainfall peaks in December.
Lognes averages 45 frost days, 7 hot days (≥ 30 °C) and 131 rainy days per year.
Lognes 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 58 to 32 per year over the period.
The hottest day of the period reached 41.7 °C (on 25 July 2019) and the coldest -21.3 °C (on 30 December 1950).
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
LognesÎle-de-France Region
- coords
- 48.84°, 2.63°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.0°C
Average daily high
14.7°C
Average daily low
7.3°C
Annual rainfall
709mm
Sunshine / day
7.7h
Mean relative humidity
78%
Average peak wind
18.4km/h
Seasonal range
15.7°C
Frost days (< 0 °C)
45 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
131 d/yr
Annual snowfall
14.1 cm
Average feels-like high
12.5 °C
Average feels-like low
4.6 °C
Average peak gust
36.4 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
41.7 °C
25 July 2019
Coldest day
-21.3 °C
30 December 1950
Wettest day
62 mm
25 July 1969
Windiest day
65.2 km/h
26 December 1999
Strongest gust
140.0 km/h
26 December 1999
Hottest feels-like
40.9 °C
6 August 2003
Coldest feels-like
-26.3 °C
30 December 1950
Snowiest day
13.9 cm
25 April 1941
Sunniest day
15.8 h
29 June 2019
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 | 6.7 °C | +1.0 °C | 127 mm | +68 mm |
| Feb | 7.9 °C | +0.7 °C | 59 mm | +3 mm |
| Mar | 13.9 °C | +2.9 °C | 29 mm | -28 mm |
| Apr | 18.6 °C | +4.3 °C | 37 mm | -18 mm |
| May | 21.0 °C | +2.9 °C | 36 mm | -29 mm |
| Jun | 26.9 °C | +5.5 °C | 47 mm | -11 mm |
| Jul | 25.3 °C | +1.6 °C | 114 mm | +60 mm |
| Aug | 26.1 °C | +2.6 °C | 61 mm | +4 mm |
| Sep | 20.2 °C | -0.1 °C | 65 mm | +11 mm |
| Oct | 16.1 °C | +0.7 °C | 66 mm | +3 mm |
| Nov | 11.1 °C | +1.4 °C | 52 mm | -12 mm |
| Dec | 9.0 °C | +2.5 °C | 47 mm | -21 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 Lognes?
Lognes has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 709 mm of precipitation per year.
What is the hottest day ever recorded in Lognes?
The hottest day measured in Lognes between 1940 and 2025 was 25 July 2019, reaching 41.7 °C.
What is the coldest day in Lognes?
The coldest day measured in Lognes between 1940 and 2025 was 30 December 1950, at -21.3 °C.
Does it snow in Lognes?
Yes. Lognes gets on average 14.1 cm of snow per year and has around 45 frost days.
Has the climate of Lognes warmed?
Yes: Lognes warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lognes?
The wettest day measured in Lognes between 1940 and 2025 was 25 July 1969, with 62 mm of rain in 24 hours.
What was the windiest day in Lognes?
The windiest day measured in Lognes between 1940 and 2025 was 26 December 1999, with winds reaching 65.2 km/h.
What is the warmest month in Lognes?
The warmest month in Lognes is July (19.0 °C on average); the coldest is January (3.3 °C).
How much does it rain in Lognes?
Lognes receives on average 709 mm of precipitation per year, spread over about 131 rainy days.
Is it sunny in Lognes?
Lognes 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 Lognes?
The heaviest 24-hour snowfall measured in Lognes between 1940 and 2025 was 25 April 1941, with 13.9 cm.
Are there tropical nights in Lognes?
Yes: Lognes has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lognes?
In Lognes, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 6 August 2003, and the lowest was -26.3 °C on 30 December 1950.
Compare Lognes with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lognes