Le Blanc climate — normals and trends
Le Blanc (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 12.0 °C and it receives 721 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 (20.1 °C on average) and the coldest is January (4.4 °C). Rainfall peaks in May.
Le Blanc averages 38 frost days, 12 hot days (≥ 30 °C) and 129 rainy days per year.
Le Blanc has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 47 to 29 per year over the period.
The hottest day of the period reached 41.0 °C (on 23 July 2019) and the coldest -17.6 °C (on 18 January 1987).
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
Le BlancCentre-Val de Loire
- coords
- 46.63°, 1.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.0°C
Average daily high
16.1°C
Average daily low
8.0°C
Annual rainfall
721mm
Sunshine / day
8.2h
Mean relative humidity
77%
Average peak wind
17.1km/h
Seasonal range
15.7°C
Frost days (< 0 °C)
38 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
8.3 cm
Average feels-like high
14.2 °C
Average feels-like low
5.6 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
12.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
23 July 2019
Coldest day
-17.6 °C
18 January 1987
Wettest day
50 mm
3 October 2006
Windiest day
52.0 km/h
28 February 2010
Strongest gust
124.6 km/h
26 December 1999
Hottest feels-like
42.1 °C
28 June 2019
Coldest feels-like
-22.3 °C
18 January 1987
Snowiest day
11.8 cm
14 January 1987
Sunniest day
15.6 h
24 June 2023
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 | 8.5 °C | +1.4 °C | 128 mm | +66 mm |
| Feb | 10.7 °C | +1.9 °C | 56 mm | -2 mm |
| Mar | 13.8 °C | +1.5 °C | 55 mm | -4 mm |
| Apr | 18.9 °C | +3.6 °C | 56 mm | -6 mm |
| May | 21.6 °C | +2.5 °C | 26 mm | -47 mm |
| Jun | 29.0 °C | +6.2 °C | 9 mm | -48 mm |
| Jul | 27.4 °C | +2.2 °C | 53 mm | +7 mm |
| Aug | 28.7 °C | +3.7 °C | 44 mm | -4 mm |
| Sep | 21.1 °C | -0.8 °C | 67 mm | +11 mm |
| Oct | 17.4 °C | +0.4 °C | 73 mm | +7 mm |
| Nov | 13.0 °C | +1.9 °C | 70 mm | +2 mm |
| Dec | 9.7 °C | +1.8 °C | 52 mm | -16 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 Le Blanc?
Le Blanc has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 12.0 °C and it receives 721 mm of precipitation per year.
What is the hottest day ever recorded in Le Blanc?
The hottest day measured in Le Blanc between 1940 and 2025 was 23 July 2019, reaching 41.0 °C.
What is the coldest day in Le Blanc?
The coldest day measured in Le Blanc between 1940 and 2025 was 18 January 1987, at -17.6 °C.
Does it snow in Le Blanc?
Yes. Le Blanc gets on average 8.3 cm of snow per year and has around 38 frost days.
Has the climate of Le Blanc warmed?
Yes: Le Blanc warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Le Blanc?
The wettest day measured in Le Blanc between 1940 and 2025 was 3 October 2006, with 50 mm of rain in 24 hours.
What was the windiest day in Le Blanc?
The windiest day measured in Le Blanc between 1940 and 2025 was 28 February 2010, with winds reaching 52.0 km/h.
What is the warmest month in Le Blanc?
The warmest month in Le Blanc is July (20.1 °C on average); the coldest is January (4.4 °C).
How much does it rain in Le Blanc?
Le Blanc receives on average 721 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Le Blanc?
Le Blanc gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Le Blanc?
The heaviest 24-hour snowfall measured in Le Blanc between 1940 and 2025 was 14 January 1987, with 11.8 cm.
Are there tropical nights in Le Blanc?
Yes: Le Blanc has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Le Blanc?
In Le Blanc, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 28 June 2019, and the lowest was -22.3 °C on 18 January 1987.
Compare Le Blanc with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Le Blanc