Trofarello climate — normals and trends
Trofarello (Italy) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.2 °C and it receives 945 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 (22.9 °C on average) and the coldest is January (1.4 °C). Rainfall peaks in May.
Trofarello averages 61 frost days, 18 hot days (≥ 30 °C) and 112 rainy days per year.
Trofarello has warmed by +3.1 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 90 to 32 per year over the period.
The hottest day of the period reached 39.0 °C (on 27 June 2019) and the coldest -20.3 °C (on 10 January 1945).
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
TrofarelloPiedmont
- coords
- 44.98°, 7.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.2°C
Average daily high
16.5°C
Average daily low
8.3°C
Annual rainfall
945mm
Sunshine / day
9.0h
Mean relative humidity
71%
Average peak wind
7.1km/h
Seasonal range
21.5°C
Frost days (< 0 °C)
61 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
112 d/yr
Annual snowfall
51.7 cm
Average feels-like high
15.8 °C
Average feels-like low
6.9 °C
Average peak gust
19.0 km/h
Tropical nights (≥ 20 °C)
16 d/yr
Solar radiation
13.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.71 · 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
39.0 °C
27 June 2019
Coldest day
-20.3 °C
10 January 1945
Wettest day
129 mm
18 September 1973
Windiest day
30.5 km/h
9 April 2022
Strongest gust
82.8 km/h
29 October 2018
Hottest feels-like
42.4 °C
27 June 2019
Coldest feels-like
-24.5 °C
10 January 1945
Snowiest day
32.7 cm
21 February 2004
Sunniest day
15.0 h
3 June 1940
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 | 6.9 °C | +1.6 °C | 54 mm | +4 mm |
| Feb | 9.0 °C | +1.1 °C | 49 mm | -11 mm |
| Mar | 13.7 °C | +1.1 °C | 126 mm | +44 mm |
| Apr | 18.1 °C | +1.7 °C | 216 mm | +112 mm |
| May | 21.4 °C | +1.0 °C | 115 mm | -2 mm |
| Jun | 29.3 °C | +4.7 °C | 55 mm | -29 mm |
| Jul | 29.0 °C | +1.2 °C | 35 mm | -16 mm |
| Aug | 29.1 °C | +1.8 °C | 65 mm | +3 mm |
| Sep | 23.3 °C | +0.3 °C | 105 mm | +29 mm |
| Oct | 18.0 °C | +1.3 °C | 28 mm | -75 mm |
| Nov | 11.8 °C | +1.4 °C | 25 mm | -71 mm |
| Dec | 9.1 °C | +2.9 °C | 134 mm | +74 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 Trofarello?
Trofarello has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.2 °C and it receives 945 mm of precipitation per year.
What is the hottest day ever recorded in Trofarello?
The hottest day measured in Trofarello between 1940 and 2025 was 27 June 2019, reaching 39.0 °C.
What is the coldest day in Trofarello?
The coldest day measured in Trofarello between 1940 and 2025 was 10 January 1945, at -20.3 °C.
Does it snow in Trofarello?
Yes. Trofarello gets on average 51.7 cm of snow per year and has around 61 frost days.
Has the climate of Trofarello warmed?
Yes: Trofarello warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Trofarello?
The wettest day measured in Trofarello between 1940 and 2025 was 18 September 1973, with 129 mm of rain in 24 hours.
What was the windiest day in Trofarello?
The windiest day measured in Trofarello between 1940 and 2025 was 9 April 2022, with winds reaching 30.5 km/h.
What is the warmest month in Trofarello?
The warmest month in Trofarello is July (22.9 °C on average); the coldest is January (1.4 °C).
How much does it rain in Trofarello?
Trofarello receives on average 945 mm of precipitation per year, spread over about 112 rainy days.
Is it sunny in Trofarello?
Trofarello gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Trofarello?
The heaviest 24-hour snowfall measured in Trofarello between 1940 and 2025 was 21 February 2004, with 32.7 cm.
Are there tropical nights in Trofarello?
Yes: Trofarello has on average 16 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Trofarello?
In Trofarello, between 1940 and 2025, the highest apparent temperature reached 42.4 °C on 27 June 2019, and the lowest was -24.5 °C on 10 January 1945.
Compare Trofarello with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Trofarello