Capena climate — normals and trends
Capena (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 14.3 °C and it receives 1,016 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 (23.9 °C on average) and the coldest is January (5.7 °C). Rainfall peaks in November.
Capena averages 22 frost days, 41 hot days (≥ 30 °C) and 115 rainy days per year.
Capena has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 33 to 11 per year over the period.
The hottest day of the period reached 39.6 °C (on 3 August 2017) and the coldest -16.1 °C (on 23 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
CapenaLazio
- coords
- 42.14°, 12.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.3°C
Average daily high
19.4°C
Average daily low
9.7°C
Annual rainfall
1,016mm
Sunshine / day
9.9h
Mean relative humidity
75%
Average peak wind
11.8km/h
Seasonal range
18.2°C
Frost days (< 0 °C)
22 d/yr
Hot days (≥ 30 °C)
41 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
5.8 cm
Average feels-like high
18.9 °C
Average feels-like low
8.5 °C
Average peak gust
31.4 km/h
Tropical nights (≥ 20 °C)
12 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.50 · 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
39.6 °C
3 August 2017
Coldest day
-16.1 °C
23 January 1945
Wettest day
93 mm
21 August 1977
Windiest day
38.0 km/h
29 October 2018
Strongest gust
116.6 km/h
29 October 2018
Hottest feels-like
42.0 °C
3 August 2017
Coldest feels-like
-20.7 °C
23 January 1945
Snowiest day
29.5 cm
11 March 1956
Sunniest day
14.4 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 | 12.7 °C | +2.9 °C | 53 mm | -31 mm |
| Feb | 13.7 °C | +2.3 °C | 95 mm | -1 mm |
| Mar | 16.3 °C | +2.0 °C | 138 mm | +47 mm |
| Apr | 20.1 °C | +2.6 °C | 97 mm | +8 mm |
| May | 23.1 °C | +1.1 °C | 99 mm | +26 mm |
| Jun | 32.6 °C | +6.2 °C | 5 mm | -43 mm |
| Jul | 31.8 °C | +1.7 °C | 34 mm | +9 mm |
| Aug | 31.5 °C | +1.4 °C | 105 mm | +63 mm |
| Sep | 27.0 °C | +1.5 °C | 131 mm | +41 mm |
| Oct | 21.2 °C | +0.9 °C | 103 mm | -22 mm |
| Nov | 16.2 °C | +1.6 °C | 118 mm | -24 mm |
| Dec | 12.9 °C | +2.1 °C | 40 mm | -70 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 Capena?
Capena has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 14.3 °C and it receives 1,016 mm of precipitation per year.
What is the hottest day ever recorded in Capena?
The hottest day measured in Capena between 1940 and 2025 was 3 August 2017, reaching 39.6 °C.
What is the coldest day in Capena?
The coldest day measured in Capena between 1940 and 2025 was 23 January 1945, at -16.1 °C.
Does it snow in Capena?
Yes. Capena gets on average 5.8 cm of snow per year and has around 22 frost days.
Has the climate of Capena warmed?
Yes: Capena warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Capena?
The wettest day measured in Capena between 1940 and 2025 was 21 August 1977, with 93 mm of rain in 24 hours.
What was the windiest day in Capena?
The windiest day measured in Capena between 1940 and 2025 was 29 October 2018, with winds reaching 38.0 km/h.
What is the warmest month in Capena?
The warmest month in Capena is July (23.9 °C on average); the coldest is January (5.7 °C).
How much does it rain in Capena?
Capena receives on average 1,016 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in Capena?
Capena gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
What is the biggest single-day snowfall in Capena?
The heaviest 24-hour snowfall measured in Capena between 1940 and 2025 was 11 March 1956, with 29.5 cm.
Are there tropical nights in Capena?
Yes: Capena has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Capena?
In Capena, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 3 August 2017, and the lowest was -20.7 °C on 23 January 1945.
Compare Capena with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Capena