St Chamas climate — normals and trends
St Chamas (France) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 608 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 (24.9 °C on average) and the coldest is January (6.6 °C). Rainfall peaks in October.
St Chamas averages 16 frost days, 42 hot days (≥ 30 °C) and 77 rainy days per year.
St Chamas has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 24 to 8 per year over the period.
The hottest day of the period reached 40.9 °C (on 28 June 2019) and the coldest -12.2 °C (on 6 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
St ChamasProvence-Alpes-Côte d'Azur
- coords
- 43.55°, 5.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
19.8°C
Average daily low
11.2°C
Annual rainfall
608mm
Sunshine / day
10.4h
Mean relative humidity
67%
Average peak wind
22.0km/h
Seasonal range
18.3°C
Frost days (< 0 °C)
16 d/yr
Hot days (≥ 30 °C)
42 d/yr
Rainy days (≥ 1 mm)
77 d/yr
Annual snowfall
4.0 cm
Average feels-like high
17.9 °C
Average feels-like low
8.8 °C
Average peak gust
42.8 km/h
Tropical nights (≥ 20 °C)
35 d/yr
Solar radiation
16.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.65 · 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
40.9 °C
28 June 2019
Coldest day
-12.2 °C
6 February 1963
Wettest day
83 mm
4 September 1948
Windiest day
58.2 km/h
29 October 1962
Strongest gust
109.1 km/h
8 November 1982
Hottest feels-like
43.8 °C
28 June 2019
Coldest feels-like
-19.4 °C
2 February 1956
Snowiest day
15.3 cm
8 January 2010
Sunniest day
14.9 h
25 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 | 13.4 °C | +2.9 °C | 52 mm | +3 mm |
| Feb | 14.0 °C | +2.0 °C | 64 mm | +18 mm |
| Mar | 16.5 °C | +1.2 °C | 80 mm | +31 mm |
| Apr | 20.7 °C | +2.2 °C | 65 mm | +11 mm |
| May | 24.6 °C | +2.0 °C | 44 mm | -8 mm |
| Jun | 32.5 °C | +5.4 °C | 11 mm | -16 mm |
| Jul | 32.4 °C | +2.1 °C | 8 mm | -7 mm |
| Aug | 32.8 °C | +3.1 °C | 21 mm | -10 mm |
| Sep | 25.1 °C | -0.4 °C | 163 mm | +93 mm |
| Oct | 21.8 °C | +1.4 °C | 47 mm | -38 mm |
| Nov | 15.9 °C | +1.2 °C | 49 mm | -26 mm |
| Dec | 13.6 °C | +2.4 °C | 81 mm | +25 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 St Chamas?
St Chamas has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 608 mm of precipitation per year.
What is the hottest day ever recorded in St Chamas?
The hottest day measured in St Chamas between 1940 and 2025 was 28 June 2019, reaching 40.9 °C.
What is the coldest day in St Chamas?
The coldest day measured in St Chamas between 1940 and 2025 was 6 February 1963, at -12.2 °C.
Does it snow in St Chamas?
Yes. St Chamas gets on average 4.0 cm of snow per year and has around 16 frost days.
Has the climate of St Chamas warmed?
Yes: St Chamas warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in St Chamas?
The wettest day measured in St Chamas between 1940 and 2025 was 4 September 1948, with 83 mm of rain in 24 hours.
What was the windiest day in St Chamas?
The windiest day measured in St Chamas between 1940 and 2025 was 29 October 1962, with winds reaching 58.2 km/h.
What is the warmest month in St Chamas?
The warmest month in St Chamas is July (24.9 °C on average); the coldest is January (6.6 °C).
How much does it rain in St Chamas?
St Chamas receives on average 608 mm of precipitation per year, spread over about 77 rainy days.
Is it sunny in St Chamas?
St Chamas 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 St Chamas?
The heaviest 24-hour snowfall measured in St Chamas between 1940 and 2025 was 8 January 2010, with 15.3 cm.
Are there tropical nights in St Chamas?
Yes: St Chamas has on average 35 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in St Chamas?
In St Chamas, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 28 June 2019, and the lowest was -19.4 °C on 2 February 1956.
Compare St Chamas with another city
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Nearby cities
The climate around St Chamas