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Weather & Climate in Fortezza, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fortezza has a cool climate with an average annual temperature of 40°F (5°C). Winters average 23°F in January while summers reach 58°F in July. The area gets 278 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 40.9 inches. The area receives 123.6 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 2,444 feet.
Temperature
23°F Jan (-5°C)
58°F Jul (14°C)
| Annual Average | 40.2°F |
| 26% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 2,444 ft (745 m) |
| Area | 40.9 sq mi (105.9 km²) |
| Population Density | 17/sq mi |
| Coordinates | 46.7896°N, 11.6100°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
672 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 102 km | 10 km |
| Mar 31, 1994 | 2 km W of Warth, Austria | M4.7 | 122 km | 14 km |
| Feb 14, 2002 | 4 km SSW of Moggio di Sotto, Italy | M4.7 | 128 km | 10 km |
| Jul 17, 2001 | 3 km NNE of Rifiano, Italy | M4.7 | 32 km | 10 km |
| Jun 5, 1997 | 2 km ESE of Namlos, Austria | M4.6 | 93 km | 5 km |
| Oct 5, 1991 | 0 km W of Nimis, Italy | M4.5 | 142 km | 10 km |
| Apr 6, 2000 | 11 km WSW of Tubre, Italy | M4.5 | 100 km | 5 km |
| May 28, 1998 | 3 km WSW of Osoppo, Italy | M4.5 | 125 km | 10 km |
| Oct 1, 2001 | 11 km WSW of Tubre, Italy | M4.5 | 100 km | 10 km |
| Jun 9, 2012 | 5 km NE of Lamosano, Italy | M4.5 | 91 km | 7 km |
| Jan 30, 2015 | 4 km W of Moggio di Sotto, Italy | M4.4 | 124 km | 6 km |
| Feb 22, 2021 | 2 km SSE of Brentonico, Italy | M4.3 | 121 km | 11 km |
| Jul 13, 2020 | 9 km SSW of Forni di Sotto, Italy | M4.3 | 93 km | 10 km |
| Apr 20, 1994 | 5 km NE of Claut, Italy | M4.3 | 92 km | 10 km |
| Mar 27, 2024 | 6 km ENE of Tramonti di Sopra, Italy | M4.3 | 109 km | 10 km |
| Aug 29, 2004 | 1 km S of Enemonzo-Quinis, Italy | M4.3 | 107 km | 11 km |
| Dec 31, 1999 | 11 km WSW of Tubre, Italy | M4.3 | 100 km | 10 km |
| Oct 2, 1993 | 4 km WNW of Bordano, Italy | M4.3 | 122 km | 10 km |
| Oct 24, 1994 | 3 km ESE of Piazza, Italy | M4.3 | 108 km | 18 km |
| Jun 3, 1998 | 5 km SSE of Malcesine, Italy | M4.2 | 133 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis 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 | 80 km |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 107 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 140 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.4 in | Coldest |
| February | 28°F (-2°C) | 1.3 in | Driest |
| March | 33°F (1°C) | 1.7 in | |
| April | 38°F (3°C) | 2.2 in | |
| May | 47°F (8°C) | 3.3 in | |
| June | 53°F (12°C) | 4.3 in | |
| July | 58°F (14°C) | 4.5 in | Warmest, Wettest |
| August | 57°F (14°C) | 4.2 in | |
| September | 51°F (11°C) | 3.2 in | |
| October | 43°F (6°C) | 2.8 in | |
| November | 33°F (1°C) | 2.3 in | |
| December | 28°F (-2°C) | 1.5 in |
Fortezza has a seasonal temperature swing of 35°F / from 23°F in January to 58°F in July. Total annual precipitation is 32.8 inches, with July being the wettest month (4.5") and February the driest (1.3").