Caluso climate — normals and trends
Caluso (Italy) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.3 °C and it receives 1,086 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 (22.8 °C on average) and the coldest is January (1.7 °C). Rainfall peaks in October.
Caluso averages 55 frost days, 16 hot days (≥ 30 °C) and 123 rainy days per year.
Caluso has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 82 to 28 per year over the period.
The hottest day of the period reached 38.8 °C (on 11 August 2003) and the coldest -20.7 °C (on 19 January 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
CalusoPiedmont
- coords
- 45.30°, 7.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.3°C
Average daily high
16.6°C
Average daily low
8.4°C
Annual rainfall
1,086mm
Sunshine / day
9.2h
Mean relative humidity
73%
Average peak wind
7.5km/h
Seasonal range
21.1°C
Frost days (< 0 °C)
55 d/yr
Hot days (≥ 30 °C)
16 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
40.8 cm
Average feels-like high
16.0 °C
Average feels-like low
7.0 °C
Average peak gust
18.9 km/h
Tropical nights (≥ 20 °C)
14 d/yr
Solar radiation
13.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.72 · 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
38.8 °C
11 August 2003
Coldest day
-20.7 °C
19 January 1940
Wettest day
139 mm
5 November 1994
Windiest day
31.5 km/h
29 October 2018
Strongest gust
82.1 km/h
29 October 2018
Hottest feels-like
41.3 °C
27 June 2019
Coldest feels-like
-26.0 °C
19 January 1940
Snowiest day
28.8 cm
30 January 1986
Sunniest day
15.0 h
25 May 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 | 7.2 °C | +1.9 °C | 70 mm | +12 mm |
| Feb | 8.9 °C | +0.9 °C | 55 mm | -11 mm |
| Mar | 13.9 °C | +1.2 °C | 130 mm | +39 mm |
| Apr | 18.3 °C | +1.6 °C | 241 mm | +125 mm |
| May | 21.6 °C | +0.8 °C | 106 mm | -21 mm |
| Jun | 29.0 °C | +4.3 °C | 52 mm | -40 mm |
| Jul | 28.2 °C | +0.6 °C | 80 mm | +23 mm |
| Aug | 28.2 °C | +1.2 °C | 121 mm | +47 mm |
| Sep | 22.6 °C | -0.2 °C | 113 mm | +21 mm |
| Oct | 17.7 °C | +1.0 °C | 39 mm | -89 mm |
| Nov | 11.7 °C | +1.2 °C | 38 mm | -79 mm |
| Dec | 9.3 °C | +3.0 °C | 109 mm | +43 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 Caluso?
Caluso has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.3 °C and it receives 1,086 mm of precipitation per year.
What is the hottest day ever recorded in Caluso?
The hottest day measured in Caluso between 1940 and 2025 was 11 August 2003, reaching 38.8 °C.
What is the coldest day in Caluso?
The coldest day measured in Caluso between 1940 and 2025 was 19 January 1940, at -20.7 °C.
Does it snow in Caluso?
Yes. Caluso gets on average 40.8 cm of snow per year and has around 55 frost days.
Has the climate of Caluso warmed?
Yes: Caluso warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Caluso?
The wettest day measured in Caluso between 1940 and 2025 was 5 November 1994, with 139 mm of rain in 24 hours.
What was the windiest day in Caluso?
The windiest day measured in Caluso between 1940 and 2025 was 29 October 2018, with winds reaching 31.5 km/h.
What is the warmest month in Caluso?
The warmest month in Caluso is July (22.8 °C on average); the coldest is January (1.7 °C).
How much does it rain in Caluso?
Caluso receives on average 1,086 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Caluso?
Caluso gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Caluso?
The heaviest 24-hour snowfall measured in Caluso between 1940 and 2025 was 30 January 1986, with 28.8 cm.
Are there tropical nights in Caluso?
Yes: Caluso has on average 14 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Caluso?
In Caluso, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 27 June 2019, and the lowest was -26.0 °C on 19 January 1940.
Compare Caluso with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Caluso