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Weather & Climate in Ardesio, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ardesio has a cool climate with an average annual temperature of 40°F (4°C). Winters average 23°F in January while summers reach 57°F in July. The area gets 295 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 71.9 inches (wetter than the 38-inch national average). The area receives 111.7 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,995 feet.
Temperature
23°F Jan (-5°C)
57°F Jul (14°C)
| Annual Average | 39.5°F |
| 27% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 295 days/yr |
Geography
| Elevation | 1,995 ft (608 m) |
| Area | 10.3 sq mi (26.6 km²) |
| Population Density | 226/sq mi |
| Coordinates | 45.9361°N, 9.9295°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
909 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.5.
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 144 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 144 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 140 km | 9 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 143 km | 10 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 129 km | 33 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 148 km | 6 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 144 km | 0 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 35 km | 10 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 139 km | 10 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 140 km | 3 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 79 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 143 km | 11 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 99 km | 10 km |
| Jul 17, 2001 | 3 km NNE of Rifiano, Italy | M4.7 | 132 km | 10 km |
| Oct 15, 1996 | 3 km WSW of Correggio, Italy | M4.7 | 146 km | 10 km |
| Mar 31, 1994 | 2 km W of Warth, Austria | M4.7 | 147 km | 14 km |
| May 29, 2012 | 2 km NW of San Possidonio, Italy | M4.7 | 141 km | 5 km |
| Feb 9, 2022 | 1 km N of Correggio, Italy | M4.6 | 145 km | 10 km |
| May 20, 2012 | 2 km ESE of Quarantoli, Italy | M4.6 | 147 km | 5 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 142 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 95.0 m (312 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 59 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 146 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.7 in | Coldest |
| February | 31°F (-1°C) | 1.2 in | Driest |
| March | 36°F (2°C) | 1.9 in | |
| April | 42°F (5°C) | 2.6 in | |
| May | 50°F (10°C) | 3.6 in | |
| June | 57°F (14°C) | 3.7 in | |
| July | 57°F (14°C) | 3.3 in | |
| August | 61°F (16°C) | 3.6 in | Warmest |
| September | 54°F (12°C) | 3.7 in | Wettest |
| October | 46°F (8°C) | 3.5 in | |
| November | 36°F (2°C) | 2.3 in | |
| December | 30°F (-1°C) | 1.5 in |
Ardesio has a seasonal temperature swing of 38°F / from 23°F in January to 61°F in August. Total annual precipitation is 32.6 inches, with September being the wettest month (3.7") and February the driest (1.2").