Cislago climate — normals and trends
Cislago (Italy) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.1 °C and it receives 1,439 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 (22.1 °C on average) and the coldest is January (2.2 °C). Rainfall peaks in October.
Cislago averages 46 frost days, 11 hot days (≥ 30 °C) and 126 rainy days per year.
Cislago has warmed by +3.0 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 73 to 19 per year over the period.
The hottest day of the period reached 37.4 °C (on 11 August 2003) and the coldest -16.0 °C (on 7 February 1963).
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
CislagoLombardy
- coords
- 45.66°, 8.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.1°C
Average daily high
16.0°C
Average daily low
8.6°C
Annual rainfall
1,439mm
Sunshine / day
9.0h
Mean relative humidity
73%
Average peak wind
9.6km/h
Seasonal range
19.9°C
Frost days (< 0 °C)
46 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
44.2 cm
Average feels-like high
15.2 °C
Average feels-like low
6.9 °C
Average peak gust
23.7 km/h
Tropical nights (≥ 20 °C)
14 d/yr
Solar radiation
13.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.73 · 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
37.4 °C
11 August 2003
Coldest day
-16.0 °C
7 February 1963
Wettest day
115 mm
2 October 1993
Windiest day
37.4 km/h
2 January 1979
Strongest gust
83.5 km/h
2 October 2020
Hottest feels-like
41.2 °C
27 June 2019
Coldest feels-like
-20.6 °C
7 February 1963
Snowiest day
28.5 cm
17 February 1967
Sunniest day
15.0 h
1 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 | 7.5 °C | +2.1 °C | 127 mm | +63 mm |
| Feb | 9.1 °C | +1.5 °C | 51 mm | -18 mm |
| Mar | 14.2 °C | +2.2 °C | 129 mm | +35 mm |
| Apr | 18.7 °C | +2.8 °C | 169 mm | +37 mm |
| May | 21.8 °C | +1.7 °C | 210 mm | +57 mm |
| Jun | 29.4 °C | +5.3 °C | 70 mm | -75 mm |
| Jul | 28.5 °C | +1.8 °C | 198 mm | +76 mm |
| Aug | 28.1 °C | +2.3 °C | 226 mm | +74 mm |
| Sep | 22.9 °C | +1.1 °C | 212 mm | +73 mm |
| Oct | 17.3 °C | +1.2 °C | 59 mm | -96 mm |
| Nov | 11.9 °C | +1.6 °C | 63 mm | -77 mm |
| Dec | 9.6 °C | +3.2 °C | 57 mm | -17 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 Cislago?
Cislago has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 12.1 °C and it receives 1,439 mm of precipitation per year.
What is the hottest day ever recorded in Cislago?
The hottest day measured in Cislago between 1940 and 2025 was 11 August 2003, reaching 37.4 °C.
What is the coldest day in Cislago?
The coldest day measured in Cislago between 1940 and 2025 was 7 February 1963, at -16.0 °C.
Does it snow in Cislago?
Yes. Cislago gets on average 44.2 cm of snow per year and has around 46 frost days.
Has the climate of Cislago warmed?
Yes: Cislago warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cislago?
The wettest day measured in Cislago between 1940 and 2025 was 2 October 1993, with 115 mm of rain in 24 hours.
What was the windiest day in Cislago?
The windiest day measured in Cislago between 1940 and 2025 was 2 January 1979, with winds reaching 37.4 km/h.
What is the warmest month in Cislago?
The warmest month in Cislago is July (22.1 °C on average); the coldest is January (2.2 °C).
How much does it rain in Cislago?
Cislago receives on average 1,439 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Cislago?
Cislago 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 Cislago?
The heaviest 24-hour snowfall measured in Cislago between 1940 and 2025 was 17 February 1967, with 28.5 cm.
Are there tropical nights in Cislago?
Yes: Cislago has on average 14 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cislago?
In Cislago, between 1940 and 2025, the highest apparent temperature reached 41.2 °C on 27 June 2019, and the lowest was -20.6 °C on 7 February 1963.
Compare Cislago with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cislago