Massa Marittima climate — normals and trends
Massa Marittima (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.3 °C and it receives 827 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 (23.5 °C on average) and the coldest is January (5.9 °C). Rainfall peaks in November.
Massa Marittima averages 16 frost days, 24 hot days (≥ 30 °C) and 109 rainy days per year.
Massa Marittima has warmed by +1.9 °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 26 to 6 per year over the period.
The hottest day of the period reached 38.6 °C (on 11 August 2025) and the coldest -13.9 °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
Massa MarittimaTuscany
- coords
- 43.05°, 10.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.3°C
Average daily high
18.6°C
Average daily low
10.4°C
Annual rainfall
827mm
Sunshine / day
10.0h
Mean relative humidity
74%
Average peak wind
14.7km/h
Seasonal range
17.6°C
Frost days (< 0 °C)
16 d/yr
Hot days (≥ 30 °C)
24 d/yr
Rainy days (≥ 1 mm)
109 d/yr
Annual snowfall
6.6 cm
Average feels-like high
17.8 °C
Average feels-like low
8.9 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
18 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.50 · 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
38.6 °C
11 August 2025
Coldest day
-13.9 °C
24 January 1942
Wettest day
154 mm
4 November 1966
Windiest day
47.2 km/h
29 October 2018
Strongest gust
115.6 km/h
29 October 2018
Hottest feels-like
41.6 °C
29 July 2024
Coldest feels-like
-18.8 °C
24 January 1942
Snowiest day
16.0 cm
1 February 2012
Sunniest day
14.9 h
30 June 2022
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 | 12.1 °C | +2.7 °C | 49 mm | -16 mm |
| Feb | 13.2 °C | +2.4 °C | 107 mm | +37 mm |
| Mar | 15.4 °C | +1.8 °C | 109 mm | +37 mm |
| Apr | 19.0 °C | +2.3 °C | 94 mm | +17 mm |
| May | 22.4 °C | +1.4 °C | 72 mm | +8 mm |
| Jun | 30.8 °C | +5.6 °C | 5 mm | -37 mm |
| Jul | 30.2 °C | +1.5 °C | 36 mm | +14 mm |
| Aug | 31.2 °C | +2.6 °C | 56 mm | +17 mm |
| Sep | 25.7 °C | +1.1 °C | 93 mm | +13 mm |
| Oct | 20.6 °C | +1.1 °C | 66 mm | -39 mm |
| Nov | 15.2 °C | +1.1 °C | 75 mm | -33 mm |
| Dec | 12.6 °C | +2.2 °C | 71 mm | -14 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 Massa Marittima?
Massa Marittima has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.3 °C and it receives 827 mm of precipitation per year.
What is the hottest day ever recorded in Massa Marittima?
The hottest day measured in Massa Marittima between 1940 and 2025 was 11 August 2025, reaching 38.6 °C.
What is the coldest day in Massa Marittima?
The coldest day measured in Massa Marittima between 1940 and 2025 was 24 January 1942, at -13.9 °C.
Does it snow in Massa Marittima?
Yes. Massa Marittima gets on average 6.6 cm of snow per year and has around 16 frost days.
Has the climate of Massa Marittima warmed?
Yes: Massa Marittima warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Massa Marittima?
The wettest day measured in Massa Marittima between 1940 and 2025 was 4 November 1966, with 154 mm of rain in 24 hours.
What was the windiest day in Massa Marittima?
The windiest day measured in Massa Marittima between 1940 and 2025 was 29 October 2018, with winds reaching 47.2 km/h.
What is the warmest month in Massa Marittima?
The warmest month in Massa Marittima is July (23.5 °C on average); the coldest is January (5.9 °C).
How much does it rain in Massa Marittima?
Massa Marittima receives on average 827 mm of precipitation per year, spread over about 109 rainy days.
Is it sunny in Massa Marittima?
Massa Marittima gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Massa Marittima?
The heaviest 24-hour snowfall measured in Massa Marittima between 1940 and 2025 was 1 February 2012, with 16.0 cm.
Are there tropical nights in Massa Marittima?
Yes: Massa Marittima has on average 18 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Massa Marittima?
In Massa Marittima, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 29 July 2024, and the lowest was -18.8 °C on 24 January 1942.
Compare Massa Marittima with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Massa Marittima