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Weather & Climate in Illasi, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Illasi enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 40°F in January while summers reach 73°F in July. The area gets 301 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 40.8 inches. The area receives 2.1 inches of snow annually. The city sits at an elevation of 515 feet.
Temperature
40°F Jan (4°C)
73°F Jul (23°C)
| Annual Average | 56.0°F |
| 4% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 515 ft (157 m) |
| Area | 9.3 sq mi (24.0 km²) |
| Population Density | 327/sq mi |
| Coordinates | 45.4666°N, 11.1817°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,426 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 64 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 69 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 66 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 81 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 128 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 143 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 66 km | 9 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 68 km | 10 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 142 km | 60 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 125 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 75 km | 5 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 68 km | 10 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 97 km | 10 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 85 km | 33 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 52 km | 6 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 69 km | 11 km |
| May 20, 2012 | 3 km WSW of Bondeno, Italy | M4.8 | 68 km | 3 km |
| May 8, 2000 | 3 km NE of Faenza, Italy | M4.8 | 140 km | 10 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 75 km | 10 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 143 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
4 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 | 126 km |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 121 km |
| 1868 | LAKE GARDA | Earthquake | - | - | 46 km |
| 1624 | DELTA OF THE PO | Earthquake | - | - | 108 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.3 in | |
| February | 40°F (5°C) | 2.0 in | Driest |
| March | 48°F (9°C) | 2.5 in | |
| April | 55°F (13°C) | 3.0 in | |
| May | 64°F (18°C) | 3.2 in | |
| June | 70°F (21°C) | 3.4 in | |
| July | 73°F (23°C) | 2.6 in | |
| August | 75°F (24°C) | 3.3 in | Warmest |
| September | 67°F (19°C) | 2.9 in | |
| October | 57°F (14°C) | 3.5 in | Wettest |
| November | 45°F (7°C) | 3.0 in | |
| December | 38°F (3°C) | 2.4 in | Coldest |
Illasi has a seasonal temperature swing of 37°F / from 38°F in December to 75°F in August. Total annual precipitation is 34.1 inches, with October being the wettest month (3.5") and February the driest (2.0").