Follonica climate — normals and trends
Follonica (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.0 °C and it receives 799 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 (23.5 °C on average) and the coldest is January (7.4 °C). Rainfall peaks in November.
Follonica averages 3 frost days, 6 hot days (≥ 30 °C) and 106 rainy days per year.
Follonica 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 7 to 0 per year over the period.
The hottest day of the period reached 34.4 °C (on 11 August 2025) and the coldest -9.1 °C (on 24 January 1942).
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
FollonicaTuscany
- coords
- 42.93°, 10.76°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.0°C
Average daily high
18.0°C
Average daily low
12.2°C
Annual rainfall
799mm
Sunshine / day
10.1h
Mean relative humidity
75%
Average peak wind
17.6km/h
Seasonal range
16.1°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
106 d/yr
Annual snowfall
5.3 cm
Average feels-like high
17.3 °C
Average feels-like low
10.6 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
39 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.51 · 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
34.4 °C
11 August 2025
Coldest day
-9.1 °C
24 January 1942
Wettest day
127 mm
4 November 1966
Windiest day
56.2 km/h
27 February 1990
Strongest gust
113.0 km/h
29 October 2018
Hottest feels-like
39.2 °C
11 August 2025
Coldest feels-like
-14.3 °C
23 January 1942
Snowiest day
12.4 cm
1 February 1963
Sunniest day
14.9 h
29 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 | 12.3 °C | +2.4 °C | 57 mm | -11 mm |
| Feb | 13.0 °C | +2.1 °C | 108 mm | +40 mm |
| Mar | 15.0 °C | +1.8 °C | 99 mm | +32 mm |
| Apr | 17.8 °C | +1.9 °C | 92 mm | +22 mm |
| May | 21.0 °C | +1.2 °C | 56 mm | +0 mm |
| Jun | 28.5 °C | +4.7 °C | 3 mm | -33 mm |
| Jul | 28.5 °C | +1.6 °C | 32 mm | +14 mm |
| Aug | 29.2 °C | +2.1 °C | 54 mm | +17 mm |
| Sep | 24.6 °C | +0.9 °C | 111 mm | +34 mm |
| Oct | 20.1 °C | +0.8 °C | 62 mm | -44 mm |
| Nov | 15.4 °C | +1.0 °C | 78 mm | -32 mm |
| Dec | 13.1 °C | +2.1 °C | 93 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 Follonica?
Follonica has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 799 mm of precipitation per year.
What is the hottest day ever recorded in Follonica?
The hottest day measured in Follonica between 1940 and 2025 was 11 August 2025, reaching 34.4 °C.
What is the coldest day in Follonica?
The coldest day measured in Follonica between 1940 and 2025 was 24 January 1942, at -9.1 °C.
Does it snow in Follonica?
Yes. Follonica gets on average 5.3 cm of snow per year and has around 3 frost days.
Has the climate of Follonica warmed?
Yes: Follonica warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Follonica?
The wettest day measured in Follonica between 1940 and 2025 was 4 November 1966, with 127 mm of rain in 24 hours.
What was the windiest day in Follonica?
The windiest day measured in Follonica between 1940 and 2025 was 27 February 1990, with winds reaching 56.2 km/h.
What is the warmest month in Follonica?
The warmest month in Follonica is August (23.5 °C on average); the coldest is January (7.4 °C).
How much does it rain in Follonica?
Follonica receives on average 799 mm of precipitation per year, spread over about 106 rainy days.
Is it sunny in Follonica?
Follonica gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Follonica?
The heaviest 24-hour snowfall measured in Follonica between 1940 and 2025 was 1 February 1963, with 12.4 cm.
Are there tropical nights in Follonica?
Yes: Follonica has on average 39 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Follonica?
In Follonica, between 1940 and 2025, the highest apparent temperature reached 39.2 °C on 11 August 2025, and the lowest was -14.3 °C on 23 January 1942.
Compare Follonica with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Follonica