Trapani climate — normals and trends
Trapani (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 570 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 (25.8 °C on average) and the coldest is January (11.8 °C). Rainfall peaks in November.
Trapani averages 0 frost days, 14 hot days (≥ 30 °C) and 89 rainy days per year.
Trapani has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.0 °C (on 24 July 2023) and the coldest 1.7 °C (on 8 January 1981).
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
TrapaniSicily
- coords
- 38.02°, 12.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.0°C
Average daily high
20.4°C
Average daily low
15.7°C
Annual rainfall
570mm
Sunshine / day
10.8h
Mean relative humidity
74%
Average peak wind
22.4km/h
Seasonal range
14.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
14 d/yr
Rainy days (≥ 1 mm)
89 d/yr
Annual snowfall
0.0 cm
Average feels-like high
19.9 °C
Average feels-like low
14.5 °C
Average peak gust
38.7 km/h
Tropical nights (≥ 20 °C)
98 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.59 · 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
36.0 °C
24 July 2023
Coldest day
1.7 °C
8 January 1981
Wettest day
77 mm
2 October 1998
Windiest day
67.0 km/h
21 January 1981
Strongest gust
122.0 km/h
21 January 1981
Hottest feels-like
39.8 °C
19 July 2023
Coldest feels-like
-5.3 °C
8 January 1981
Snowiest day
1.3 cm
8 January 1981
Sunniest day
14.0 h
6 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 | 15.5 °C | +1.8 °C | 75 mm | +3 mm |
| Feb | 15.2 °C | +1.3 °C | 77 mm | +15 mm |
| Mar | 17.1 °C | +1.9 °C | 47 mm | -9 mm |
| Apr | 18.8 °C | +1.4 °C | 19 mm | -24 mm |
| May | 22.2 °C | +1.1 °C | 44 mm | +20 mm |
| Jun | 28.1 °C | +3.0 °C | 16 mm | +9 mm |
| Jul | 29.6 °C | +1.6 °C | 2 mm | -1 mm |
| Aug | 29.0 °C | +0.4 °C | 4 mm | -5 mm |
| Sep | 27.4 °C | +1.4 °C | 51 mm | +4 mm |
| Oct | 22.4 °C | 0.0 °C | 89 mm | +6 mm |
| Nov | 18.4 °C | +0.1 °C | 110 mm | +27 mm |
| Dec | 16.3 °C | +1.2 °C | 78 mm | -2 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 Trapani?
Trapani has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 570 mm of precipitation per year.
What is the hottest day ever recorded in Trapani?
The hottest day measured in Trapani between 1940 and 2025 was 24 July 2023, reaching 36.0 °C.
What is the coldest day in Trapani?
The coldest day measured in Trapani between 1940 and 2025 was 8 January 1981, at 1.7 °C.
Does it snow in Trapani?
Almost never: Trapani sees virtually no snow, with about 0 frost days per year.
Has the climate of Trapani warmed?
Yes: Trapani warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Trapani?
The wettest day measured in Trapani between 1940 and 2025 was 2 October 1998, with 77 mm of rain in 24 hours.
What was the windiest day in Trapani?
The windiest day measured in Trapani between 1940 and 2025 was 21 January 1981, with winds reaching 67.0 km/h.
What is the warmest month in Trapani?
The warmest month in Trapani is August (25.8 °C on average); the coldest is January (11.8 °C).
How much does it rain in Trapani?
Trapani receives on average 570 mm of precipitation per year, spread over about 89 rainy days.
Is it sunny in Trapani?
Trapani 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 Trapani?
The heaviest 24-hour snowfall measured in Trapani between 1940 and 2025 was 8 January 1981, with 1.3 cm.
Are there tropical nights in Trapani?
Yes: Trapani has on average 98 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Trapani?
In Trapani, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 19 July 2023, and the lowest was -5.3 °C on 8 January 1981.
Compare Trapani with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Trapani