Ciampino climate — normals and trends
Ciampino (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.9 °C and it receives 920 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 (24.4 °C on average) and the coldest is January (8.3 °C). Rainfall peaks in November.
Ciampino averages 3 frost days, 14 hot days (≥ 30 °C) and 106 rainy days per year.
Ciampino has warmed by +1.8 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 5 to 1 per year over the period.
The hottest day of the period reached 35.8 °C (on 8 August 1956) and the coldest -8.8 °C (on 7 January 1985).
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
CiampinoLazio
- coords
- 41.80°, 12.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.9°C
Average daily high
19.3°C
Average daily low
12.6°C
Annual rainfall
920mm
Sunshine / day
10.0h
Mean relative humidity
74%
Average peak wind
16.8km/h
Seasonal range
16.1°C
Frost days (< 0 °C)
3 d/yr
Hot days (≥ 30 °C)
14 d/yr
Rainy days (≥ 1 mm)
106 d/yr
Annual snowfall
1.8 cm
Average feels-like high
18.9 °C
Average feels-like low
11.4 °C
Average peak gust
32.5 km/h
Tropical nights (≥ 20 °C)
50 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.53 · 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
35.8 °C
8 August 1956
Coldest day
-8.8 °C
7 January 1985
Wettest day
120 mm
3 September 1959
Windiest day
59.4 km/h
29 October 2018
Strongest gust
115.9 km/h
4 November 1966
Hottest feels-like
39.8 °C
4 August 1981
Coldest feels-like
-13.4 °C
7 January 1985
Snowiest day
12.0 cm
11 January 1940
Sunniest day
14.3 h
9 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 | 14.0 °C | +2.5 °C | 50 mm | -37 mm |
| Feb | 14.4 °C | +2.1 °C | 98 mm | +9 mm |
| Mar | 16.3 °C | +2.0 °C | 110 mm | +33 mm |
| Apr | 19.0 °C | +2.1 °C | 50 mm | -19 mm |
| May | 22.2 °C | +1.3 °C | 59 mm | +8 mm |
| Jun | 29.4 °C | +4.4 °C | 2 mm | -27 mm |
| Jul | 29.7 °C | +1.7 °C | 10 mm | -5 mm |
| Aug | 29.8 °C | +1.6 °C | 38 mm | +6 mm |
| Sep | 26.6 °C | +1.8 °C | 143 mm | +58 mm |
| Oct | 21.5 °C | +0.8 °C | 80 mm | -46 mm |
| Nov | 17.3 °C | +1.3 °C | 120 mm | -27 mm |
| Dec | 14.7 °C | +2.1 °C | 62 mm | -50 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 Ciampino?
Ciampino has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.9 °C and it receives 920 mm of precipitation per year.
What is the hottest day ever recorded in Ciampino?
The hottest day measured in Ciampino between 1940 and 2025 was 8 August 1956, reaching 35.8 °C.
What is the coldest day in Ciampino?
The coldest day measured in Ciampino between 1940 and 2025 was 7 January 1985, at -8.8 °C.
Does it snow in Ciampino?
Yes. Ciampino gets on average 1.8 cm of snow per year and has around 3 frost days.
Has the climate of Ciampino warmed?
Yes: Ciampino warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ciampino?
The wettest day measured in Ciampino between 1940 and 2025 was 3 September 1959, with 120 mm of rain in 24 hours.
What was the windiest day in Ciampino?
The windiest day measured in Ciampino between 1940 and 2025 was 29 October 2018, with winds reaching 59.4 km/h.
What is the warmest month in Ciampino?
The warmest month in Ciampino is August (24.4 °C on average); the coldest is January (8.3 °C).
How much does it rain in Ciampino?
Ciampino receives on average 920 mm of precipitation per year, spread over about 106 rainy days.
Is it sunny in Ciampino?
Ciampino gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ciampino?
The heaviest 24-hour snowfall measured in Ciampino between 1940 and 2025 was 11 January 1940, with 12.0 cm.
Are there tropical nights in Ciampino?
Yes: Ciampino has on average 50 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ciampino?
In Ciampino, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 4 August 1981, and the lowest was -13.4 °C on 7 January 1985.
Compare Ciampino with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ciampino