Vetralla climate — normals and trends
Vetralla (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.8 °C and it receives 952 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 (23.8 °C on average) and the coldest is January (6.8 °C). Rainfall peaks in November.
Vetralla averages 7 frost days, 20 hot days (≥ 30 °C) and 114 rainy days per year.
Vetralla 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 13 to 1 per year over the period.
The hottest day of the period reached 36.4 °C (on 8 August 1956) and the coldest -9.8 °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
VetrallaLazio
- coords
- 42.32°, 12.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.8°C
Average daily high
18.7°C
Average daily low
11.3°C
Annual rainfall
952mm
Sunshine / day
10.2h
Mean relative humidity
75%
Average peak wind
16.8km/h
Seasonal range
17.0°C
Frost days (< 0 °C)
7 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
114 d/yr
Annual snowfall
5.3 cm
Average feels-like high
18.0 °C
Average feels-like low
9.8 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
28 d/yr
Solar radiation
15.6 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
36.4 °C
8 August 1956
Coldest day
-9.8 °C
24 January 1942
Wettest day
104 mm
1 September 1965
Windiest day
53.7 km/h
29 October 2018
Strongest gust
112.7 km/h
29 October 2018
Hottest feels-like
39.9 °C
3 August 2017
Coldest feels-like
-15.0 °C
23 January 1942
Snowiest day
26.2 cm
11 March 1956
Sunniest day
14.5 h
9 July 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 | 12.6 °C | +2.5 °C | 47 mm | -34 mm |
| Feb | 13.4 °C | +2.1 °C | 123 mm | +35 mm |
| Mar | 15.3 °C | +1.6 °C | 138 mm | +55 mm |
| Apr | 18.7 °C | +2.1 °C | 84 mm | +7 mm |
| May | 22.2 °C | +1.3 °C | 70 mm | +7 mm |
| Jun | 30.4 °C | +5.3 °C | 5 mm | -36 mm |
| Jul | 29.9 °C | +1.5 °C | 22 mm | +0 mm |
| Aug | 30.0 °C | +1.6 °C | 69 mm | +29 mm |
| Sep | 26.2 °C | +1.6 °C | 130 mm | +43 mm |
| Oct | 20.9 °C | +1.0 °C | 98 mm | -30 mm |
| Nov | 16.0 °C | +1.2 °C | 92 mm | -45 mm |
| Dec | 13.3 °C | +2.2 °C | 59 mm | -45 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 Vetralla?
Vetralla has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.8 °C and it receives 952 mm of precipitation per year.
What is the hottest day ever recorded in Vetralla?
The hottest day measured in Vetralla between 1940 and 2025 was 8 August 1956, reaching 36.4 °C.
What is the coldest day in Vetralla?
The coldest day measured in Vetralla between 1940 and 2025 was 24 January 1942, at -9.8 °C.
Does it snow in Vetralla?
Yes. Vetralla gets on average 5.3 cm of snow per year and has around 7 frost days.
Has the climate of Vetralla warmed?
Yes: Vetralla warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vetralla?
The wettest day measured in Vetralla between 1940 and 2025 was 1 September 1965, with 104 mm of rain in 24 hours.
What was the windiest day in Vetralla?
The windiest day measured in Vetralla between 1940 and 2025 was 29 October 2018, with winds reaching 53.7 km/h.
What is the warmest month in Vetralla?
The warmest month in Vetralla is July (23.8 °C on average); the coldest is January (6.8 °C).
How much does it rain in Vetralla?
Vetralla receives on average 952 mm of precipitation per year, spread over about 114 rainy days.
Is it sunny in Vetralla?
Vetralla gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Vetralla?
The heaviest 24-hour snowfall measured in Vetralla between 1940 and 2025 was 11 March 1956, with 26.2 cm.
Are there tropical nights in Vetralla?
Yes: Vetralla has on average 28 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Vetralla?
In Vetralla, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 3 August 2017, and the lowest was -15.0 °C on 23 January 1942.
Compare Vetralla with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Vetralla