Vasto climate — normals and trends
Vasto (Italy) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.3 °C and it receives 632 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 (24.2 °C on average) and the coldest is January (7.1 °C). Rainfall peaks in November.
Vasto averages 8 frost days, 23 hot days (≥ 30 °C) and 91 rainy days per year.
Vasto has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 15 to 1 per year over the period.
The hottest day of the period reached 38.6 °C (on 24 July 2007) and the coldest -13.7 °C (on 16 February 1940).
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
VastoAbruzzo
- coords
- 42.11°, 14.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.3°C
Average daily high
19.3°C
Average daily low
11.5°C
Annual rainfall
632mm
Sunshine / day
9.9h
Mean relative humidity
75%
Average peak wind
14.8km/h
Seasonal range
17.1°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
23 d/yr
Rainy days (≥ 1 mm)
91 d/yr
Annual snowfall
12.4 cm
Average feels-like high
19.0 °C
Average feels-like low
10.4 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
37 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.62 · 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
24 July 2007
Coldest day
-13.7 °C
16 February 1940
Wettest day
95 mm
15 June 2023
Windiest day
51.9 km/h
31 December 1979
Strongest gust
105.5 km/h
31 December 1979
Hottest feels-like
42.7 °C
10 August 1999
Coldest feels-like
-18.5 °C
16 February 1940
Snowiest day
21.2 cm
17 February 1948
Sunniest day
14.1 h
1 July 2012
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 | 12.8 °C | +2.1 °C | 50 mm | -19 mm |
| Feb | 12.1 °C | +0.4 °C | 82 mm | +28 mm |
| Mar | 14.8 °C | +0.7 °C | 105 mm | +48 mm |
| Apr | 18.5 °C | +1.2 °C | 28 mm | -24 mm |
| May | 21.5 °C | -0.1 °C | 32 mm | -10 mm |
| Jun | 28.8 °C | +3.2 °C | 3 mm | -35 mm |
| Jul | 29.2 °C | +0.9 °C | 57 mm | +32 mm |
| Aug | 28.6 °C | +0.1 °C | 32 mm | +3 mm |
| Sep | 26.1 °C | +1.1 °C | 23 mm | -31 mm |
| Oct | 19.5 °C | -0.9 °C | 111 mm | +47 mm |
| Nov | 15.8 °C | +0.1 °C | 110 mm | +36 mm |
| Dec | 12.6 °C | +0.5 °C | 32 mm | -42 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 Vasto?
Vasto has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.3 °C and it receives 632 mm of precipitation per year.
What is the hottest day ever recorded in Vasto?
The hottest day measured in Vasto between 1940 and 2025 was 24 July 2007, reaching 38.6 °C.
What is the coldest day in Vasto?
The coldest day measured in Vasto between 1940 and 2025 was 16 February 1940, at -13.7 °C.
Does it snow in Vasto?
Yes. Vasto gets on average 12.4 cm of snow per year and has around 8 frost days.
Has the climate of Vasto warmed?
Yes: Vasto warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Vasto?
The wettest day measured in Vasto between 1940 and 2025 was 15 June 2023, with 95 mm of rain in 24 hours.
What was the windiest day in Vasto?
The windiest day measured in Vasto between 1940 and 2025 was 31 December 1979, with winds reaching 51.9 km/h.
What is the warmest month in Vasto?
The warmest month in Vasto is July (24.2 °C on average); the coldest is January (7.1 °C).
How much does it rain in Vasto?
Vasto receives on average 632 mm of precipitation per year, spread over about 91 rainy days.
Is it sunny in Vasto?
Vasto gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
What is the biggest single-day snowfall in Vasto?
The heaviest 24-hour snowfall measured in Vasto between 1940 and 2025 was 17 February 1948, with 21.2 cm.
Are there tropical nights in Vasto?
Yes: Vasto has on average 37 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Vasto?
In Vasto, between 1940 and 2025, the highest apparent temperature reached 42.7 °C on 10 August 1999, and the lowest was -18.5 °C on 16 February 1940.
Compare Vasto with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Vasto