Saint-Lambert climate — normals and trends
Saint-Lambert (France) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 603 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 (23.0 °C on average) and the coldest is January (8.2 °C). Rainfall peaks in October.
Saint-Lambert averages 2 frost days, 1 hot days (≥ 30 °C) and 74 rainy days per year.
Saint-Lambert 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 5 to 0 per year over the period.
The hottest day of the period reached 33.2 °C (on 2 August 2018) and the coldest -7.8 °C (on 4 February 1963).
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-LambertProvence-Alpes-Côte d'Azur
- coords
- 43.29°, 5.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
17.7°C
Average daily low
13.0°C
Annual rainfall
603mm
Sunshine / day
10.4h
Mean relative humidity
73%
Average peak wind
28.7km/h
Seasonal range
14.8°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
74 d/yr
Annual snowfall
2.8 cm
Average feels-like high
15.8 °C
Average feels-like low
10.0 °C
Average peak gust
43.8 km/h
Tropical nights (≥ 20 °C)
48 d/yr
Solar radiation
16.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.52 · 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
33.2 °C
2 August 2018
Coldest day
-7.8 °C
4 February 1963
Wettest day
82 mm
31 October 1963
Windiest day
73.5 km/h
16 December 1997
Strongest gust
119.2 km/h
16 December 1997
Hottest feels-like
36.6 °C
3 July 2025
Coldest feels-like
-18.5 °C
2 February 1956
Snowiest day
13.2 cm
7 January 2009
Sunniest day
14.9 h
27 June 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 | 12.9 °C | +2.4 °C | 73 mm | +16 mm |
| Feb | 13.2 °C | +1.9 °C | 69 mm | +18 mm |
| Mar | 14.7 °C | +1.2 °C | 84 mm | +35 mm |
| Apr | 17.6 °C | +1.8 °C | 43 mm | -8 mm |
| May | 20.7 °C | +1.6 °C | 38 mm | -6 mm |
| Jun | 26.9 °C | +4.0 °C | 9 mm | -13 mm |
| Jul | 27.4 °C | +1.8 °C | 6 mm | -3 mm |
| Aug | 27.8 °C | +2.2 °C | 9 mm | -13 mm |
| Sep | 23.0 °C | +0.2 °C | 142 mm | +82 mm |
| Oct | 20.3 °C | +1.2 °C | 50 mm | -36 mm |
| Nov | 15.2 °C | +0.7 °C | 52 mm | -32 mm |
| Dec | 13.8 °C | +2.3 °C | 81 mm | +13 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-Lambert?
Saint-Lambert has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 603 mm of precipitation per year.
What is the hottest day ever recorded in Saint-Lambert?
The hottest day measured in Saint-Lambert between 1940 and 2025 was 2 August 2018, reaching 33.2 °C.
What is the coldest day in Saint-Lambert?
The coldest day measured in Saint-Lambert between 1940 and 2025 was 4 February 1963, at -7.8 °C.
Does it snow in Saint-Lambert?
Yes. Saint-Lambert gets on average 2.8 cm of snow per year and has around 2 frost days.
Has the climate of Saint-Lambert warmed?
Yes: Saint-Lambert warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Saint-Lambert?
The wettest day measured in Saint-Lambert between 1940 and 2025 was 31 October 1963, with 82 mm of rain in 24 hours.
What was the windiest day in Saint-Lambert?
The windiest day measured in Saint-Lambert between 1940 and 2025 was 16 December 1997, with winds reaching 73.5 km/h.
What is the warmest month in Saint-Lambert?
The warmest month in Saint-Lambert is July (23.0 °C on average); the coldest is January (8.2 °C).
How much does it rain in Saint-Lambert?
Saint-Lambert receives on average 603 mm of precipitation per year, spread over about 74 rainy days.
Is it sunny in Saint-Lambert?
Saint-Lambert gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Saint-Lambert?
The heaviest 24-hour snowfall measured in Saint-Lambert between 1940 and 2025 was 7 January 2009, with 13.2 cm.
Are there tropical nights in Saint-Lambert?
Yes: Saint-Lambert has on average 48 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Saint-Lambert?
In Saint-Lambert, between 1940 and 2025, the highest apparent temperature reached 36.6 °C on 3 July 2025, and the lowest was -18.5 °C on 2 February 1956.
Compare Saint-Lambert with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Saint-Lambert