Arco climate — normals and trends
Arco (Italy) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.6 °C and it receives 1,298 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 (17.2 °C on average) and the coldest is January (-3.2 °C). Rainfall peaks in May.
Arco averages 117 frost days, 0 hot days (≥ 30 °C) and 147 rainy days per year.
Arco has warmed by +3.3 °C between 1940 and 2025, or +0.38 °C per decade. This trend is statistically significant.
The number of frost days there went from about 149 to 85 per year over the period.
The hottest day of the period reached 30.7 °C (on 27 June 2019) and the coldest -31.0 °C (on 23 January 1942).
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
ArcoTrentino-Alto Adige
- coords
- 45.92°, 10.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.6°C
Average daily high
11.4°C
Average daily low
3.5°C
Annual rainfall
1,298mm
Sunshine / day
9.0h
Mean relative humidity
75%
Average peak wind
6.2km/h
Seasonal range
20.4°C
Frost days (< 0 °C)
117 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
147 d/yr
Annual snowfall
174.0 cm
Average feels-like high
10.0 °C
Average feels-like low
1.4 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.3 °C
since 1940
+0.4 °C per decade · r² = 0.68 · 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
30.7 °C
27 June 2019
Coldest day
-31.0 °C
23 January 1942
Wettest day
108 mm
2 September 1965
Windiest day
17.2 km/h
1 July 2022
Strongest gust
112.0 km/h
29 October 2018
Hottest feels-like
35.1 °C
27 June 2019
Coldest feels-like
-35.5 °C
23 January 1942
Snowiest day
39.1 cm
12 January 1978
Sunniest day
15.0 h
9 July 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 | 3.8 °C | +2.7 °C | 126 mm | +68 mm |
| Feb | 5.2 °C | +2.0 °C | 41 mm | -23 mm |
| Mar | 9.2 °C | +2.4 °C | 117 mm | +33 mm |
| Apr | 12.8 °C | +2.0 °C | 112 mm | -8 mm |
| May | 14.9 °C | -0.4 °C | 206 mm | +61 mm |
| Jun | 23.2 °C | +4.3 °C | 88 mm | -50 mm |
| Jul | 20.8 °C | -0.3 °C | 207 mm | +82 mm |
| Aug | 21.6 °C | +0.9 °C | 161 mm | +35 mm |
| Sep | 17.1 °C | -0.3 °C | 146 mm | +34 mm |
| Oct | 12.2 °C | -0.5 °C | 67 mm | -59 mm |
| Nov | 7.0 °C | +0.5 °C | 80 mm | -45 mm |
| Dec | 5.9 °C | +3.7 °C | 36 mm | -38 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 Arco?
Arco has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.6 °C and it receives 1,298 mm of precipitation per year.
What is the hottest day ever recorded in Arco?
The hottest day measured in Arco between 1940 and 2025 was 27 June 2019, reaching 30.7 °C.
What is the coldest day in Arco?
The coldest day measured in Arco between 1940 and 2025 was 23 January 1942, at -31.0 °C.
Does it snow in Arco?
Yes. Arco gets on average 174.0 cm of snow per year and has around 117 frost days.
Has the climate of Arco warmed?
Yes: Arco warmed by +3.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arco?
The wettest day measured in Arco between 1940 and 2025 was 2 September 1965, with 108 mm of rain in 24 hours.
What was the windiest day in Arco?
The windiest day measured in Arco between 1940 and 2025 was 1 July 2022, with winds reaching 17.2 km/h.
What is the warmest month in Arco?
The warmest month in Arco is July (17.2 °C on average); the coldest is January (-3.2 °C).
How much does it rain in Arco?
Arco receives on average 1,298 mm of precipitation per year, spread over about 147 rainy days.
Is it sunny in Arco?
Arco 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 Arco?
The heaviest 24-hour snowfall measured in Arco between 1940 and 2025 was 12 January 1978, with 39.1 cm.
Are there tropical nights in Arco?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Arco.
What was the most extreme apparent temperature in Arco?
In Arco, between 1940 and 2025, the highest apparent temperature reached 35.1 °C on 27 June 2019, and the lowest was -35.5 °C on 23 January 1942.
Compare Arco with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arco