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Weather & Climate in Ornavasso, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ornavasso experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 40°F in January while summers reach 71°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 71.6 inches (wetter than the 38-inch national average). The area receives 9.9 inches of snow annually. The city sits at an elevation of 705 feet.
Temperature
40°F Jan (4°C)
71°F Jul (22°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 296 days/yr |
Geography
| Elevation | 705 ft (215 m) |
| Area | 7.9 sq mi (20.4 km²) |
| Population Density | 389/sq mi |
| Coordinates | 45.9680°N, 8.4158°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
989 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Apr 11, 2003 | 1 km SSW of Carezzano Maggiore, Italy | M5.0 | 136 km | 4 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 126 km | 10 km |
| Aug 21, 2000 | 1 km WNW of Oviglio, Italy | M4.9 | 123 km | 10 km |
| Feb 14, 1999 | 3 km NNE of Belfaux, Switzerland | M4.7 | 139 km | 10 km |
| Nov 20, 1991 | 1 km WSW of Churwalden, Switzerland | M4.7 | 124 km | 10 km |
| Jul 18, 2001 | 3 km S of Masio, Italy | M4.7 | 126 km | 0 km |
| Aug 28, 1994 | 6 km SSW of Muotathal, Switzerland | M4.5 | 109 km | 8 km |
| Apr 19, 2009 | 1 km ENE of Bandito, Italy | M4.5 | 145 km | 40 km |
| Feb 17, 1992 | 4 km NNE of Scharans, Switzerland | M4.5 | 120 km | 10 km |
| Jul 25, 2011 | 5 km NW of Cantalupa, Italy | M4.4 | 141 km | 25 km |
| Jun 14, 1993 | 3 km S of Vogogna, Italy | M4.4 | 9 km | 10 km |
| Nov 21, 1995 | 1 km SW of Collegno, Italy | M4.4 | 121 km | 22 km |
| Nov 22, 1997 | 4 km SSW of Krummenau, Switzerland | M4.4 | 149 km | 10 km |
| May 6, 2003 | 7 km WSW of Linthal, Switzerland | M4.3 | 110 km | 6 km |
| Apr 29, 2003 | 2 km SSW of Varen, Switzerland | M4.3 | 73 km | 8 km |
| Feb 11, 1990 | northern Italy | M4.3 | 124 km | 10 km |
| Mar 31, 1996 | 7 km NNW of Bionaz, Italy | M4.3 | 79 km | 5 km |
| Nov 16, 1995 | 1 km ENE of Einsiedeln, Switzerland | M4.3 | 132 km | 5 km |
| May 14, 2004 | 0 km SSE of Chiusa di San Michele, Italy | M4.2 | 128 km | 10 km |
| Aug 22, 2003 | 6 km NNW of Savièse, Switzerland | M4.2 | 94 km | 4 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 | 93 km |
| 1996 | LAKE BRIENZ | Meteorological | 0.5 m | — | 91 km |
| 563 | LAKE GENEVA | Meteorological | — | — | 130 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.4 in | |
| February | 36°F (2°C) | 2.4 in | |
| March | 42°F (5°C) | 3.2 in | |
| April | 47°F (8°C) | 4.1 in | |
| May | 55°F (13°C) | 5.2 in | Wettest |
| June | 61°F (16°C) | 4.6 in | |
| July | 71°F (22°C) | 3.5 in | Warmest |
| August | 65°F (19°C) | 4.4 in | |
| September | 59°F (15°C) | 4.0 in | |
| October | 50°F (10°C) | 4.3 in | |
| November | 40°F (5°C) | 3.3 in | |
| December | 35°F (2°C) | 2.2 in | Coldest, Driest |
Ornavasso has a seasonal temperature swing of 37°F / from 35°F in December to 71°F in July. Total annual precipitation is 43.7 inches, with May being the wettest month (5.2") and December the driest (2.2").