Nemours climate — normals and trends
Nemours (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.2 °C and it receives 676 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 (19.4 °C on average) and the coldest is January (3.4 °C). Rainfall peaks in May.
Nemours averages 45 frost days, 8 hot days (≥ 30 °C) and 128 rainy days per year.
Nemours 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 56 to 34 per year over the period.
The hottest day of the period reached 41.0 °C (on 25 July 2019) and the coldest -20.0 °C (on 17 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
NemoursÎle-de-France Region
- coords
- 48.28°, 2.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.2°C
Average daily high
15.1°C
Average daily low
7.4°C
Annual rainfall
676mm
Sunshine / day
7.9h
Mean relative humidity
78%
Average peak wind
18.7km/h
Seasonal range
16.0°C
Frost days (< 0 °C)
45 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
13.3 cm
Average feels-like high
12.9 °C
Average feels-like low
4.8 °C
Average peak gust
36.4 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
41.0 °C
25 July 2019
Coldest day
-20.0 °C
17 January 1985
Wettest day
65 mm
22 June 2023
Windiest day
63.6 km/h
26 December 1999
Strongest gust
133.9 km/h
26 December 1999
Hottest feels-like
40.9 °C
30 July 2024
Coldest feels-like
-25.4 °C
17 January 1985
Snowiest day
13.1 cm
25 April 1941
Sunniest day
15.6 h
4 July 2025
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 | 6.9 °C | +1.0 °C | 115 mm | +58 mm |
| Feb | 8.3 °C | +0.8 °C | 51 mm | -3 mm |
| Mar | 13.9 °C | +2.6 °C | 35 mm | -19 mm |
| Apr | 18.5 °C | +3.9 °C | 46 mm | -8 mm |
| May | 21.0 °C | +2.7 °C | 27 mm | -36 mm |
| Jun | 27.4 °C | +5.6 °C | 27 mm | -28 mm |
| Jul | 26.1 °C | +1.9 °C | 67 mm | +18 mm |
| Aug | 26.5 °C | +2.5 °C | 62 mm | +11 mm |
| Sep | 20.3 °C | -0.5 °C | 79 mm | +27 mm |
| Oct | 16.3 °C | +0.4 °C | 60 mm | -2 mm |
| Nov | 11.4 °C | +1.5 °C | 58 mm | -3 mm |
| Dec | 8.9 °C | +2.2 °C | 60 mm | -3 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 Nemours?
Nemours has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.2 °C and it receives 676 mm of precipitation per year.
What is the hottest day ever recorded in Nemours?
The hottest day measured in Nemours between 1940 and 2025 was 25 July 2019, reaching 41.0 °C.
What is the coldest day in Nemours?
The coldest day measured in Nemours between 1940 and 2025 was 17 January 1985, at -20.0 °C.
Does it snow in Nemours?
Yes. Nemours gets on average 13.3 cm of snow per year and has around 45 frost days.
Has the climate of Nemours warmed?
Yes: Nemours warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nemours?
The wettest day measured in Nemours between 1940 and 2025 was 22 June 2023, with 65 mm of rain in 24 hours.
What was the windiest day in Nemours?
The windiest day measured in Nemours between 1940 and 2025 was 26 December 1999, with winds reaching 63.6 km/h.
What is the warmest month in Nemours?
The warmest month in Nemours is July (19.4 °C on average); the coldest is January (3.4 °C).
How much does it rain in Nemours?
Nemours receives on average 676 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Nemours?
Nemours gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Nemours?
The heaviest 24-hour snowfall measured in Nemours between 1940 and 2025 was 25 April 1941, with 13.1 cm.
Are there tropical nights in Nemours?
Yes: Nemours has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nemours?
In Nemours, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 30 July 2024, and the lowest was -25.4 °C on 17 January 1985.
Compare Nemours with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Nemours