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Weather & Climate in Formazza, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Formazza has a cool climate with an average annual temperature of 32°F (0°C). Winters average 21°F in January while summers reach 46°F in July. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 46.0 inches (wetter than the 38-inch national average). The area receives 29.1 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 4,226 feet.
Temperature
21°F Jan (-6°C)
46°F Jul (8°C)
| Annual Average | 32.1°F |
| 41% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 46°F (8°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 4,226 ft (1,288 m) |
| Area | 24.6 sq mi (63.7 km²) |
| Population Density | 18/sq mi |
| Coordinates | 46.3769°N, 8.4257°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
849 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 | 145 km | 10 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 146 km | 10 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 95 km | 10 km |
| Feb 14, 1999 | 3 km NNE of Belfaux, Switzerland | M4.7 | 112 km | 10 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 91 km | 10 km |
| Jan 4, 2009 | 3 km S of Wildhaus, Switzerland | M4.5 | 114 km | 3 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 65 km | 8 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 148 km | 5 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 148 km | 10 km |
| May 8, 1992 | 2 km WSW of Sennwald, Switzerland | M4.4 | 126 km | 5 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 108 km | 10 km |
| May 8, 1992 | 0 km NNW of Sennwald, Switzerland | M4.4 | 128 km | 5 km |
| May 15, 1992 | 1 km W of Sennwald, Switzerland | M4.4 | 127 km | 5 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 45 km | 10 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 69 km | 6 km |
| Dec 31, 1999 | 11 km WSW of Tubre, Italy | M4.3 | 147 km | 10 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 64 km | 8 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 88 km | 5 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 93 km | 5 km |
| May 20, 1999 | 4 km SSE of Plaffeien, Switzerland | M4.2 | 93 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 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 | 147 km |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 47 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 53 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 123 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 3.2 in | |
| February | 21°F (-6°C) | 2.8 in | Coldest, Driest |
| March | 23°F (-5°C) | 3.5 in | |
| April | 26°F (-3°C) | 4.1 in | |
| May | 34°F (1°C) | 4.3 in | |
| June | 41°F (5°C) | 4.3 in | |
| July | 46°F (8°C) | 4.2 in | |
| August | 47°F (8°C) | 4.4 in | Warmest, Wettest |
| September | 42°F (6°C) | 4.0 in | |
| October | 35°F (2°C) | 4.3 in | |
| November | 27°F (-3°C) | 3.8 in | |
| December | 23°F (-5°C) | 3.2 in |
Formazza has a seasonal temperature swing of 27°F / from 21°F in February to 47°F in August. Total annual precipitation is 46.0 inches, with August being the wettest month (4.4") and February the driest (2.8").