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Weather & Climate in Grosotto, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Grosotto has a cool climate with an average annual temperature of 41°F (5°C). Winters average 26°F in January while summers reach 57°F in July. The area gets 296 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 22.1 inches (drier than the 38-inch national average). The area receives 5.7 inches of snow annually. The city sits at an elevation of 1,936 feet.
Temperature
26°F Jan (-4°C)
57°F Jul (14°C)
| Annual Average | 40.7°F |
| 25% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 1,936 ft (590 m) |
| Area | 73.0 sq mi (189.0 km²) |
| Population Density | 21/sq mi |
| Coordinates | 46.2820°N, 10.2591°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
659 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 77 km | 10 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 36 km | 10 km |
| Jul 17, 2001 | 3 km NNE of Rifiano, Italy | M4.7 | 88 km | 10 km |
| Mar 31, 1994 | 2 km W of Warth, Austria | M4.7 | 108 km | 14 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 79 km | 10 km |
| Jun 5, 1997 | 2 km ESE of Namlos, Austria | M4.6 | 123 km | 5 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 79 km | 10 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 36 km | 5 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 121 km | 3 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 136 km | 8 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 37 km | 10 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 133 km | 10 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 124 km | 5 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 124 km | 5 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 124 km | 5 km |
| Oct 24, 1994 | 3 km ESE of Piazza, Italy | M4.3 | 86 km | 18 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 148 km | 5 km |
| Dec 31, 1999 | 11 km WSW of Tubre, Italy | M4.3 | 36 km | 10 km |
| Feb 22, 2021 | 2 km SSE of Brentonico, Italy | M4.3 | 77 km | 11 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 125 km | 6 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 | 13 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 146 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 73 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 1.1 in | Coldest |
| February | 27°F (-3°C) | 0.9 in | Driest |
| March | 33°F (0°C) | 1.1 in | |
| April | 38°F (3°C) | 1.5 in | |
| May | 46°F (8°C) | 2.3 in | |
| June | 53°F (11°C) | 2.6 in | |
| July | 57°F (14°C) | 2.6 in | Warmest |
| August | 57°F (14°C) | 2.7 in | Wettest |
| September | 51°F (10°C) | 2.4 in | |
| October | 43°F (6°C) | 2.3 in | |
| November | 33°F (0°C) | 1.5 in | |
| December | 27°F (-3°C) | 1.1 in |
Grosotto has a seasonal temperature swing of 31°F / from 26°F in January to 57°F in July. Total annual precipitation is 22.1 inches, with August being the wettest month (2.7") and February the driest (0.9").