Sign In Register

Grosio, Italy

Full City Profile

1.9 /5.0
D Poor
4,431 Population 61/sq mi density
2,152 ft Elevation 656 meters
41°F Avg Temperature 5°C
D
Overall
1.9 / 5.0
Below average overall score based on economy, affordability, safety and education
D
Economy
1.9 / 5.0
$21,342 median income, 11.4% unemployment
Grosio 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. Annual precipitation totals 22.1 inches. The area receives 5.7 inches of snow annually.

Temperature

26°F Jan (-4°C) 57°F Jul (14°C)
Annual Average40.7°F
25% below US avg
January Average26°F (-4°C)
July Average57°F (14°C)
Sunny Days296 days/yr

Geography

Elevation2,152 ft (656 m)
Area73.0 sq mi (189.0 km²)
Population Density61/sq mi
Coordinates46.2997°N, 10.2757°W
TimezoneEurope/Rome

Precipitation & Snow

Annual Rainfall 22.1"
42% below US avg
Snowfall 5.7"
Wettest Month (Aug) 2.72"
Driest Month (Feb) 0.87"

Air Quality

Earthquake History

662 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M2.7 on May 20, 2025.

Oct 29, 1995 0 km WNW of Adro, Italy M4.9 79 km
Dec 29, 1999 12 km N of Isolaccia, Italy M4.8 34 km
Jul 17, 2001 3 km NNE of Rifiano, Italy M4.7 86 km
Mar 31, 1994 2 km W of Warth, Austria M4.7 106 km
Nov 20, 1991 1 km WSW of Churwalden, Switzerland M4.7 79 km
Jun 5, 1997 2 km ESE of Namlos, Austria M4.6 120 km
Feb 17, 1992 4 km NNE of Scharans, Switzerland M4.5 79 km
Apr 6, 2000 11 km WSW of Tubre, Italy M4.5 34 km
Jan 4, 2009 3 km S of Wildhaus, Switzerland M4.5 120 km
Aug 28, 1994 6 km SSW of Muotathal, Switzerland M4.5 136 km
Oct 1, 2001 11 km WSW of Tubre, Italy M4.5 35 km
Nov 22, 1997 4 km SSW of Krummenau, Switzerland M4.4 132 km
May 8, 1992 0 km NNW of Sennwald, Switzerland M4.4 123 km
May 15, 1992 1 km W of Sennwald, Switzerland M4.4 123 km
May 8, 1992 2 km WSW of Sennwald, Switzerland M4.4 123 km
Oct 24, 1994 3 km ESE of Piazza, Italy M4.3 86 km
Nov 16, 1995 1 km ENE of Einsiedeln, Switzerland M4.3 148 km
Dec 31, 1999 11 km WSW of Tubre, Italy M4.3 34 km
Feb 22, 2021 2 km SSE of Brentonico, Italy M4.3 77 km
May 6, 2003 7 km WSW of Linthal, Switzerland M4.3 125 km
Source: USGS (M2.5+, 1990–2025)

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 10 km
1601 LAKE LUCERNE Eruption + Earthquake 4.0 m 8 147 km
1868 LAKE GARDA Earthquake — — 74 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

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

Grosio 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").

View full weather details →