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Weather & Climate in Seppiana, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Seppiana has a cool climate with an average annual temperature of 30°F (-1°C). Winters average 15°F in January while summers reach 46°F in July. The area gets 281 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 42.7 inches. The area receives 179.5 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,827 feet.
Temperature
15°F Jan (-9°C)
46°F Jul (8°C)
| Annual Average | 30.1°F |
| 44% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 46°F (8°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 1,827 ft (557 m) |
| Area | 5.3 sq mi (13.7 km²) |
| Population Density | 28/sq mi |
| Coordinates | 46.0583°N, 8.2166°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,001 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 | 143 km | 10 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 134 km | 10 km |
| Feb 14, 1999 | 3 km NNE of Belfaux, Switzerland | M4.7 | 121 km | 10 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 128 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 137 km | 0 km |
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 144 km | 10 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 124 km | 10 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 104 km | 8 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 140 km | 25 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 122 km | 22 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 147 km | 10 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 11 km | 10 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 65 km | 5 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 55 km | 8 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 127 km | 5 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 107 km | 6 km |
| Feb 11, 1990 | northern Italy | M4.3 | 126 km | 10 km |
| Jul 30, 2016 | 0 km SSW of Fleccia-Chianavasso, Italy | M4.2 | 147 km | 11 km |
| May 12, 2005 | 1 km NW of Oensingen, Switzerland | M4.2 | 144 km | 25 km |
| Jun 10, 2003 | 1 km NNE of Piobesi Torinese, Italy | M4.2 | 149 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 4.0 m (13 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1601 | LAKE LUCERNE | Eruption + Earthquake | 4.0 m | 8 | 85 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 77 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 113 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-9°C) | 2.3 in | Coldest |
| February | 34°F (1°C) | 2.4 in | |
| March | 40°F (4°C) | 3.0 in | |
| April | 44°F (7°C) | 3.7 in | |
| May | 53°F (11°C) | 4.7 in | Wettest |
| June | 59°F (15°C) | 4.4 in | |
| July | 46°F (8°C) | 3.6 in | |
| August | 63°F (17°C) | 4.2 in | Warmest |
| September | 56°F (14°C) | 3.5 in | |
| October | 48°F (9°C) | 4.0 in | |
| November | 38°F (4°C) | 3.1 in | |
| December | 34°F (1°C) | 2.3 in | Driest |
Seppiana has a seasonal temperature swing of 48°F / from 15°F in January to 63°F in August. Total annual precipitation is 41.2 inches, with May being the wettest month (4.7") and December the driest (2.3").