Sarnico climate — normals and trends
Sarnico (Italy) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 1,308 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 (19.0 °C on average) and the coldest is January (-1.4 °C). Rainfall peaks in May.
Sarnico averages 104 frost days, 1 hot days (≥ 30 °C) and 159 rainy days per year.
Sarnico has warmed by +3.2 °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 134 to 74 per year over the period.
The hottest day of the period reached 32.4 °C (on 27 June 2019) and the coldest -24.6 °C (on 14 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
SarnicoLombardy
- coords
- 45.67°, 9.96°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
13.4°C
Average daily low
5.0°C
Annual rainfall
1,308mm
Sunshine / day
9.3h
Mean relative humidity
78%
Average peak wind
7.6km/h
Seasonal range
20.4°C
Frost days (< 0 °C)
104 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
159 d/yr
Annual snowfall
97.9 cm
Average feels-like high
12.4 °C
Average feels-like low
3.1 °C
Average peak gust
25.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
13.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.2 °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
32.4 °C
27 June 2019
Coldest day
-24.6 °C
14 February 1940
Wettest day
92 mm
2 September 1965
Windiest day
22.3 km/h
29 March 1995
Strongest gust
98.3 km/h
29 October 2018
Hottest feels-like
37.5 °C
27 June 2019
Coldest feels-like
-30.1 °C
14 February 1940
Snowiest day
32.7 cm
5 March 2010
Sunniest day
15.0 h
5 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 | 5.9 °C | +2.8 °C | 131 mm | +73 mm |
| Feb | 7.3 °C | +2.1 °C | 37 mm | -27 mm |
| Mar | 11.8 °C | +2.6 °C | 126 mm | +40 mm |
| Apr | 15.8 °C | +2.9 °C | 119 mm | -3 mm |
| May | 18.7 °C | +1.5 °C | 221 mm | +73 mm |
| Jun | 26.5 °C | +5.4 °C | 96 mm | -47 mm |
| Jul | 24.8 °C | +1.4 °C | 190 mm | +62 mm |
| Aug | 24.9 °C | +2.0 °C | 195 mm | +66 mm |
| Sep | 20.6 °C | +1.3 °C | 108 mm | -9 mm |
| Oct | 14.8 °C | +0.6 °C | 87 mm | -39 mm |
| Nov | 10.0 °C | +1.8 °C | 96 mm | -20 mm |
| Dec | 8.3 °C | +4.2 °C | 48 mm | -24 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 Sarnico?
Sarnico has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 1,308 mm of precipitation per year.
What is the hottest day ever recorded in Sarnico?
The hottest day measured in Sarnico between 1940 and 2025 was 27 June 2019, reaching 32.4 °C.
What is the coldest day in Sarnico?
The coldest day measured in Sarnico between 1940 and 2025 was 14 February 1940, at -24.6 °C.
Does it snow in Sarnico?
Yes. Sarnico gets on average 97.9 cm of snow per year and has around 104 frost days.
Has the climate of Sarnico warmed?
Yes: Sarnico warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sarnico?
The wettest day measured in Sarnico between 1940 and 2025 was 2 September 1965, with 92 mm of rain in 24 hours.
What was the windiest day in Sarnico?
The windiest day measured in Sarnico between 1940 and 2025 was 29 March 1995, with winds reaching 22.3 km/h.
What is the warmest month in Sarnico?
The warmest month in Sarnico is July (19.0 °C on average); the coldest is January (-1.4 °C).
How much does it rain in Sarnico?
Sarnico receives on average 1,308 mm of precipitation per year, spread over about 159 rainy days.
Is it sunny in Sarnico?
Sarnico gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sarnico?
The heaviest 24-hour snowfall measured in Sarnico between 1940 and 2025 was 5 March 2010, with 32.7 cm.
Are there tropical nights in Sarnico?
Yes: Sarnico has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sarnico?
In Sarnico, between 1940 and 2025, the highest apparent temperature reached 37.5 °C on 27 June 2019, and the lowest was -30.1 °C on 14 February 1940.
Compare Sarnico with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sarnico