Cassis climate — normals and trends
Cassis (France) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.8 °C and it receives 657 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 August (22.7 °C on average) and the coldest is January (7.8 °C). Rainfall peaks in November.
Cassis averages 3 frost days, 1 hot days (≥ 30 °C) and 78 rainy days per year.
Cassis 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 6 to 0 per year over the period.
The hottest day of the period reached 32.4 °C (on 4 July 2025) and the coldest -8.6 °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
CassisProvence-Alpes-Côte d'Azur
- coords
- 43.22°, 5.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.8°C
Average daily high
17.3°C
Average daily low
12.5°C
Annual rainfall
657mm
Sunshine / day
10.4h
Mean relative humidity
74%
Average peak wind
25.5km/h
Seasonal range
14.9°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
3.4 cm
Average feels-like high
15.6 °C
Average feels-like low
9.8 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
39 d/yr
Solar radiation
16.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.54 · 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
32.4 °C
4 July 2025
Coldest day
-8.6 °C
4 February 1963
Wettest day
88 mm
5 October 1987
Windiest day
67.1 km/h
28 October 2012
Strongest gust
110.5 km/h
28 October 2012
Hottest feels-like
36.4 °C
18 July 2022
Coldest feels-like
-18.1 °C
2 February 1956
Snowiest day
9.4 cm
14 January 1987
Sunniest day
15.0 h
15 June 1945
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 | 12.5 °C | +2.4 °C | 78 mm | +16 mm |
| Feb | 12.8 °C | +1.9 °C | 61 mm | +3 mm |
| Mar | 14.3 °C | +1.2 °C | 100 mm | +44 mm |
| Apr | 17.1 °C | +1.7 °C | 48 mm | -7 mm |
| May | 20.3 °C | +1.6 °C | 41 mm | -7 mm |
| Jun | 26.4 °C | +3.9 °C | 9 mm | -15 mm |
| Jul | 27.0 °C | +1.8 °C | 12 mm | +2 mm |
| Aug | 27.4 °C | +2.1 °C | 10 mm | -13 mm |
| Sep | 22.5 °C | 0.0 °C | 130 mm | +69 mm |
| Oct | 19.8 °C | +1.1 °C | 62 mm | -31 mm |
| Nov | 14.8 °C | +0.7 °C | 68 mm | -26 mm |
| Dec | 13.3 °C | +2.2 °C | 84 mm | +8 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 Cassis?
Cassis has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.8 °C and it receives 657 mm of precipitation per year.
What is the hottest day ever recorded in Cassis?
The hottest day measured in Cassis between 1940 and 2025 was 4 July 2025, reaching 32.4 °C.
What is the coldest day in Cassis?
The coldest day measured in Cassis between 1940 and 2025 was 4 February 1963, at -8.6 °C.
Does it snow in Cassis?
Yes. Cassis gets on average 3.4 cm of snow per year and has around 3 frost days.
Has the climate of Cassis warmed?
Yes: Cassis warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cassis?
The wettest day measured in Cassis between 1940 and 2025 was 5 October 1987, with 88 mm of rain in 24 hours.
What was the windiest day in Cassis?
The windiest day measured in Cassis between 1940 and 2025 was 28 October 2012, with winds reaching 67.1 km/h.
What is the warmest month in Cassis?
The warmest month in Cassis is August (22.7 °C on average); the coldest is January (7.8 °C).
How much does it rain in Cassis?
Cassis receives on average 657 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in Cassis?
Cassis 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 Cassis?
The heaviest 24-hour snowfall measured in Cassis between 1940 and 2025 was 14 January 1987, with 9.4 cm.
Are there tropical nights in Cassis?
Yes: Cassis has on average 39 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cassis?
In Cassis, between 1940 and 2025, the highest apparent temperature reached 36.4 °C on 18 July 2022, and the lowest was -18.1 °C on 2 February 1956.
Compare Cassis with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cassis