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Weather & Climate in Basiliano-Vissandone, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Basiliano-Vissandone enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 41°F in January while summers reach 74°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 62.9 inches (wetter than the 38-inch national average). The area receives 2.5 inches of snow annually. The city sits at an elevation of 256 feet.
Temperature
41°F Jan (5°C)
74°F Jul (24°C)
| Annual Average | 56.7°F |
| 5% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 74°F (24°C) |
| Sunny Days | 281 days/yr |
Geography
| Elevation | 256 ft (78 m) |
| Area | 20.2 sq mi (52.2 km²) |
| Population Density | 104/sq mi |
| Coordinates | 46.0228°N, 13.0931°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
910 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.6.
| Apr 12, 1998 | 5 km E of Kobarid, Slovenia | M5.6 | 50 km | 10 km |
| Jul 12, 2004 | 7 km NE of Kobarid, Slovenia | M5.2 | 52 km | 8 km |
| Mar 13, 1998 | 4 km NW of Ilirska Bistrica, Slovenia | M5.2 | 98 km | 10 km |
| May 22, 1995 | 6 km NNW of Ilirska Bistrica, Slovenia | M4.9 | 99 km | 27 km |
| Feb 14, 2002 | 4 km SSW of Moggio di Sotto, Italy | M4.7 | 40 km | 10 km |
| Nov 11, 1990 | 5 km ENE of Cerkno, Slovenia | M4.7 | 75 km | 22 km |
| May 6, 1998 | 6 km NNW of Tolmin, Slovenia | M4.6 | 53 km | 10 km |
| Jun 2, 2002 | 6 km SSE of Pivka, Slovenia | M4.6 | 98 km | 10 km |
| May 28, 1998 | 3 km WSW of Osoppo, Italy | M4.5 | 25 km | 10 km |
| Apr 22, 2014 | 7 km SE of Pivka, Slovenia | M4.5 | 100 km | 5 km |
| Jun 9, 2012 | 5 km NE of Lamosano, Italy | M4.5 | 54 km | 7 km |
| Oct 5, 1991 | 0 km W of Nimis, Italy | M4.5 | 24 km | 10 km |
| Jan 30, 2015 | 4 km W of Moggio di Sotto, Italy | M4.4 | 43 km | 6 km |
| Nov 28, 1993 | 3 km WNW of Klana, Croatia | M4.4 | 115 km | 5 km |
| Apr 24, 2005 | 0 km NNW of Ilirska Bistrica, Slovenia | M4.4 | 103 km | 10 km |
| Mar 13, 2014 | 9 km E of Ribnica, Slovenia | M4.4 | 139 km | 2 km |
| May 13, 1999 | 2 km NW of Clodig, Italy | M4.4 | 40 km | 10 km |
| Sep 30, 2002 | 5 km SW of Kranjska Gora, Slovenia | M4.3 | 66 km | 5 km |
| Mar 27, 2024 | 6 km ENE of Tramonti di Sopra, Italy | M4.3 | 38 km | 10 km |
| Jan 14, 2005 | 6 km NNE of Cerkno, Slovenia | M4.3 | 72 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 235.0 m (771 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1963 | VAJONT DAM, VAJONT RIVER | Meteorological | 235.0 m | 2,000 | 65 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 3.5 in | |
| February | 40°F (4°C) | 2.6 in | Driest |
| March | 46°F (8°C) | 4.1 in | |
| April | 53°F (12°C) | 5.2 in | |
| May | 62°F (17°C) | 5.1 in | |
| June | 68°F (20°C) | 6.0 in | |
| July | 74°F (24°C) | 3.9 in | Warmest |
| August | 72°F (22°C) | 4.3 in | |
| September | 65°F (18°C) | 5.4 in | |
| October | 56°F (13°C) | 6.5 in | Wettest |
| November | 45°F (7°C) | 5.2 in | |
| December | 39°F (4°C) | 4.4 in | Coldest |
Basiliano-Vissandone has a seasonal temperature swing of 36°F / from 39°F in December to 74°F in July. Total annual precipitation is 56.0 inches, with October being the wettest month (6.5") and February the driest (2.6").