Romorantin-Lanthenay climate — normals and trends
Romorantin-Lanthenay (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.7 °C and it receives 702 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 (3.9 °C). Rainfall peaks in May.
Romorantin-Lanthenay averages 42 frost days, 13 hot days (≥ 30 °C) and 130 rainy days per year.
Romorantin-Lanthenay has warmed by +1.8 °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 52 to 32 per year over the period.
The hottest day of the period reached 41.4 °C (on 25 July 2019) and the coldest -20.5 °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
Romorantin-LanthenayCentre-Val de Loire
- coords
- 47.37°, 1.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.7°C
Average daily high
15.9°C
Average daily low
7.7°C
Annual rainfall
702mm
Sunshine / day
8.1h
Mean relative humidity
76%
Average peak wind
17.3km/h
Seasonal range
16.2°C
Frost days (< 0 °C)
42 d/yr
Hot days (≥ 30 °C)
13 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
10.3 cm
Average feels-like high
13.9 °C
Average feels-like low
5.3 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
12.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
41.4 °C
25 July 2019
Coldest day
-20.5 °C
17 January 1985
Wettest day
42 mm
3 October 2006
Windiest day
56.8 km/h
26 December 1999
Strongest gust
129.6 km/h
26 December 1999
Hottest feels-like
41.8 °C
27 June 2019
Coldest feels-like
-25.8 °C
17 January 1985
Snowiest day
12.9 cm
4 March 2006
Sunniest day
15.7 h
25 June 2001
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 | 7.9 °C | +1.3 °C | 120 mm | +60 mm |
| Feb | 10.0 °C | +1.6 °C | 48 mm | -9 mm |
| Mar | 13.9 °C | +1.8 °C | 65 mm | +8 mm |
| Apr | 18.8 °C | +3.5 °C | 59 mm | +1 mm |
| May | 21.4 °C | +2.4 °C | 35 mm | -36 mm |
| Jun | 28.7 °C | +5.9 °C | 17 mm | -36 mm |
| Jul | 27.0 °C | +1.9 °C | 54 mm | +5 mm |
| Aug | 28.0 °C | +3.1 °C | 55 mm | +6 mm |
| Sep | 20.8 °C | -1.0 °C | 62 mm | +8 mm |
| Oct | 17.3 °C | +0.6 °C | 73 mm | +8 mm |
| Nov | 12.3 °C | +1.6 °C | 72 mm | +7 mm |
| Dec | 9.4 °C | +2.0 °C | 57 mm | -7 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 Romorantin-Lanthenay?
Romorantin-Lanthenay has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 702 mm of precipitation per year.
What is the hottest day ever recorded in Romorantin-Lanthenay?
The hottest day measured in Romorantin-Lanthenay between 1940 and 2025 was 25 July 2019, reaching 41.4 °C.
What is the coldest day in Romorantin-Lanthenay?
The coldest day measured in Romorantin-Lanthenay between 1940 and 2025 was 17 January 1985, at -20.5 °C.
Does it snow in Romorantin-Lanthenay?
Yes. Romorantin-Lanthenay gets on average 10.3 cm of snow per year and has around 42 frost days.
Has the climate of Romorantin-Lanthenay warmed?
Yes: Romorantin-Lanthenay warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Romorantin-Lanthenay?
The wettest day measured in Romorantin-Lanthenay between 1940 and 2025 was 3 October 2006, with 42 mm of rain in 24 hours.
What was the windiest day in Romorantin-Lanthenay?
The windiest day measured in Romorantin-Lanthenay between 1940 and 2025 was 26 December 1999, with winds reaching 56.8 km/h.
What is the warmest month in Romorantin-Lanthenay?
The warmest month in Romorantin-Lanthenay is July (20.1 °C on average); the coldest is January (3.9 °C).
How much does it rain in Romorantin-Lanthenay?
Romorantin-Lanthenay receives on average 702 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Romorantin-Lanthenay?
Romorantin-Lanthenay gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Romorantin-Lanthenay?
The heaviest 24-hour snowfall measured in Romorantin-Lanthenay between 1940 and 2025 was 4 March 2006, with 12.9 cm.
Are there tropical nights in Romorantin-Lanthenay?
Yes: Romorantin-Lanthenay has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Romorantin-Lanthenay?
In Romorantin-Lanthenay, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 27 June 2019, and the lowest was -25.8 °C on 17 January 1985.
Compare Romorantin-Lanthenay with another city
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Nearby cities
The climate around Romorantin-Lanthenay