Mazara del Vallo climate — normals and trends
Mazara del Vallo (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 542 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 (25.7 °C on average) and the coldest is January (11.9 °C). Rainfall peaks in November.
Mazara del Vallo averages 0 frost days, 12 hot days (≥ 30 °C) and 85 rainy days per year.
Mazara del Vallo has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.4 °C (on 11 August 2021) and the coldest 2.2 °C (on 30 January 1962).
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
Mazara del ValloSicily
- coords
- 37.66°, 12.59°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.0°C
Average daily high
20.3°C
Average daily low
15.7°C
Annual rainfall
542mm
Sunshine / day
10.8h
Mean relative humidity
74%
Average peak wind
23.3km/h
Seasonal range
13.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
12 d/yr
Rainy days (≥ 1 mm)
85 d/yr
Annual snowfall
0.0 cm
Average feels-like high
19.7 °C
Average feels-like low
14.5 °C
Average peak gust
39.6 km/h
Tropical nights (≥ 20 °C)
98 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.57 · 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
35.4 °C
11 August 2021
Coldest day
2.2 °C
30 January 1962
Wettest day
75 mm
2 October 1998
Windiest day
67.3 km/h
1 March 1986
Strongest gust
117.4 km/h
21 January 1981
Hottest feels-like
39.5 °C
11 August 2021
Coldest feels-like
-4.9 °C
18 January 1940
Snowiest day
0.4 cm
3 January 1993
Sunniest day
14.0 h
2 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 | 15.4 °C | +1.6 °C | 75 mm | +4 mm |
| Feb | 15.0 °C | +1.1 °C | 94 mm | +33 mm |
| Mar | 16.8 °C | +1.7 °C | 44 mm | -7 mm |
| Apr | 18.5 °C | +1.3 °C | 17 mm | -23 mm |
| May | 22.0 °C | +1.2 °C | 47 mm | +26 mm |
| Jun | 27.7 °C | +2.9 °C | 4 mm | -3 mm |
| Jul | 29.1 °C | +1.3 °C | 3 mm | +0 mm |
| Aug | 28.6 °C | +0.2 °C | 4 mm | -4 mm |
| Sep | 27.2 °C | +1.4 °C | 59 mm | +16 mm |
| Oct | 22.1 °C | -0.1 °C | 86 mm | +6 mm |
| Nov | 18.4 °C | +0.1 °C | 98 mm | +17 mm |
| Dec | 16.2 °C | +1.1 °C | 84 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 Mazara del Vallo?
Mazara del Vallo has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 542 mm of precipitation per year.
What is the hottest day ever recorded in Mazara del Vallo?
The hottest day measured in Mazara del Vallo between 1940 and 2025 was 11 August 2021, reaching 35.4 °C.
What is the coldest day in Mazara del Vallo?
The coldest day measured in Mazara del Vallo between 1940 and 2025 was 30 January 1962, at 2.2 °C.
Does it snow in Mazara del Vallo?
Almost never: Mazara del Vallo sees virtually no snow, with about 0 frost days per year.
Has the climate of Mazara del Vallo warmed?
Yes: Mazara del Vallo warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mazara del Vallo?
The wettest day measured in Mazara del Vallo between 1940 and 2025 was 2 October 1998, with 75 mm of rain in 24 hours.
What was the windiest day in Mazara del Vallo?
The windiest day measured in Mazara del Vallo between 1940 and 2025 was 1 March 1986, with winds reaching 67.3 km/h.
What is the warmest month in Mazara del Vallo?
The warmest month in Mazara del Vallo is August (25.7 °C on average); the coldest is January (11.9 °C).
How much does it rain in Mazara del Vallo?
Mazara del Vallo receives on average 542 mm of precipitation per year, spread over about 85 rainy days.
Is it sunny in Mazara del Vallo?
Mazara del Vallo gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mazara del Vallo?
The heaviest 24-hour snowfall measured in Mazara del Vallo between 1940 and 2025 was 3 January 1993, with 0.4 cm.
Are there tropical nights in Mazara del Vallo?
Yes: Mazara del Vallo has on average 98 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mazara del Vallo?
In Mazara del Vallo, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 11 August 2021, and the lowest was -4.9 °C on 18 January 1940.
Compare Mazara del Vallo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mazara del Vallo