Ardea climate — normals and trends
Ardea (Italy) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.9 °C and it receives 947 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 (24.5 °C on average) and the coldest is January (10.8 °C). Rainfall peaks in November.
Ardea averages 0 frost days, 0 hot days (≥ 30 °C) and 105 rainy days per year.
Ardea has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.1 °C (on 25 July 2023) and the coldest -1.3 °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
ArdeaLazio
- coords
- 41.61°, 12.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.9°C
Average daily high
18.0°C
Average daily low
15.7°C
Annual rainfall
947mm
Sunshine / day
10.3h
Mean relative humidity
77%
Average peak wind
22.2km/h
Seasonal range
13.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
105 d/yr
Annual snowfall
0.5 cm
Average feels-like high
18.0 °C
Average feels-like low
14.6 °C
Average peak gust
31.3 km/h
Tropical nights (≥ 20 °C)
104 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
30.1 °C
25 July 2023
Coldest day
-1.3 °C
19 January 1940
Wettest day
98 mm
20 October 2005
Windiest day
71.4 km/h
29 October 2018
Strongest gust
106.9 km/h
28 December 1999
Hottest feels-like
36.5 °C
10 August 2017
Coldest feels-like
-9.1 °C
19 January 1940
Snowiest day
5.8 cm
18 February 1956
Sunniest day
14.3 h
26 June 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 | +1.9 °C | 70 mm | -34 mm |
| Feb | 13.6 °C | +1.4 °C | 94 mm | -0 mm |
| Mar | 14.7 °C | +1.5 °C | 96 mm | +21 mm |
| Apr | 16.5 °C | +1.3 °C | 45 mm | -14 mm |
| May | 19.5 °C | +1.0 °C | 27 mm | -12 mm |
| Jun | 25.1 °C | +3.0 °C | 0 mm | -21 mm |
| Jul | 26.3 °C | +1.5 °C | 11 mm | +1 mm |
| Aug | 25.9 °C | +0.5 °C | 34 mm | +4 mm |
| Sep | 24.1 °C | +1.0 °C | 133 mm | +48 mm |
| Oct | 20.3 °C | +0.3 °C | 99 mm | -36 mm |
| Nov | 16.8 °C | +0.4 °C | 127 mm | -39 mm |
| Dec | 14.8 °C | +1.4 °C | 97 mm | -33 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 Ardea?
Ardea has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.9 °C and it receives 947 mm of precipitation per year.
What is the hottest day ever recorded in Ardea?
The hottest day measured in Ardea between 1940 and 2025 was 25 July 2023, reaching 30.1 °C.
What is the coldest day in Ardea?
The coldest day measured in Ardea between 1940 and 2025 was 19 January 1940, at -1.3 °C.
Does it snow in Ardea?
Almost never: Ardea sees virtually no snow, with about 0 frost days per year.
Has the climate of Ardea warmed?
Yes: Ardea warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ardea?
The wettest day measured in Ardea between 1940 and 2025 was 20 October 2005, with 98 mm of rain in 24 hours.
What was the windiest day in Ardea?
The windiest day measured in Ardea between 1940 and 2025 was 29 October 2018, with winds reaching 71.4 km/h.
What is the warmest month in Ardea?
The warmest month in Ardea is August (24.5 °C on average); the coldest is January (10.8 °C).
How much does it rain in Ardea?
Ardea receives on average 947 mm of precipitation per year, spread over about 105 rainy days.
Is it sunny in Ardea?
Ardea gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ardea?
The heaviest 24-hour snowfall measured in Ardea between 1940 and 2025 was 18 February 1956, with 5.8 cm.
Are there tropical nights in Ardea?
Yes: Ardea has on average 104 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ardea?
In Ardea, between 1940 and 2025, the highest apparent temperature reached 36.5 °C on 10 August 2017, and the lowest was -9.1 °C on 19 January 1940.
Compare Ardea with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ardea