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Weather & Climate in San Giovanni Ilarione, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Giovanni Ilarione 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 636 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 | 636 ft (194 m) |
| Area | 11.9 sq mi (30.9 km²) |
| Population Density | 218/sq mi |
| Coordinates | 45.5193°N, 11.2371°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,366 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 | 70 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 75 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 73 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 89 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 133 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 75 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 73 km | 9 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 147 km | 10 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 150 km | 60 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 127 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 79 km | 5 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 92 km | 33 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 58 km | 6 km |
| Oct 29, 1995 | 0 km WNW of Adro, Italy | M4.9 | 100 km | 10 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 74 km | 10 km |
| May 8, 2000 | 3 km NE of Faenza, Italy | M4.8 | 144 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 75 km | 11 km |
| Dec 29, 1999 | 12 km N of Isolaccia, Italy | M4.8 | 140 km | 10 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 73 km | 3 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 82 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 | 119 km |
| 1987 | VALTELLINA | Meteorological | 95.0 m | 27 | 118 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 46 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 111 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 1.8 in | |
| February | 37°F (3°C) | 1.7 in | Driest |
| March | 44°F (7°C) | 2.2 in | |
| April | 50°F (10°C) | 2.8 in | |
| May | 59°F (15°C) | 3.3 in | |
| June | 66°F (19°C) | 3.5 in | Wettest |
| July | 73°F (23°C) | 2.9 in | Warmest |
| August | 70°F (21°C) | 3.4 in | |
| September | 63°F (17°C) | 3.1 in | |
| October | 53°F (12°C) | 3.5 in | |
| November | 42°F (6°C) | 2.7 in | |
| December | 36°F (2°C) | 1.9 in | Coldest |
San Giovanni Ilarione has a seasonal temperature swing of 37°F / from 36°F in December to 73°F in July. Total annual precipitation is 32.7 inches, with June being the wettest month (3.5") and February the driest (1.7").