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Weather & Climate in San Floriano-Olmi, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Floriano-Olmi enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 42°F in January while summers reach 76°F in July. The area gets 283 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 43.7 inches. The area receives 2.1 inches of snow annually. The city sits at an elevation of 36 feet.
Temperature
42°F Jan (6°C)
76°F Jul (25°C)
| Annual Average | 58.1°F |
| 8% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 283 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 13.6 sq mi (35.3 km²) |
| Population Density | 273/sq mi |
| Coordinates | 45.6735°N, 12.3304°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
904 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 | 123 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 134 km | 10 km |
| Apr 12, 1998 | 5 km E of Kobarid, Slovenia | M5.6 | 120 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 135 km | 7 km |
| Mar 13, 1998 | 4 km NW of Ilirska Bistrica, Slovenia | M5.2 | 146 km | 10 km |
| Jul 12, 2004 | 7 km NE of Kobarid, Slovenia | M5.2 | 123 km | 8 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 139 km | 9 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 140 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 115 km | 5 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 122 km | 10 km |
| May 22, 1995 | 6 km NNW of Ilirska Bistrica, Slovenia | M4.9 | 148 km | 27 km |
| Jul 17, 2011 | 0 km W of Sermide, Italy | M4.9 | 110 km | 6 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 132 km | 10 km |
| May 29, 2012 | 3 km ENE of Novi di Modena, Italy | M4.8 | 138 km | 3 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 140 km | 11 km |
| May 20, 2012 | 3 km WSW of Bondeno, Italy | M4.8 | 116 km | 3 km |
| May 29, 2012 | 2 km NW of San Possidonio, Italy | M4.7 | 138 km | 5 km |
| Feb 14, 2002 | 4 km SSW of Moggio di Sotto, Italy | M4.7 | 101 km | 10 km |
| Nov 11, 1990 | 5 km ENE of Cerkno, Slovenia | M4.7 | 143 km | 22 km |
| May 20, 2012 | 3 km NE of Massa Finalese, Italy | M4.7 | 123 km | 3 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 | 66 km |
| 1868 | LAKE GARDA | Earthquake | — | — | 127 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 126 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.3 in | |
| February | 40°F (5°C) | 1.9 in | Driest |
| March | 47°F (8°C) | 2.5 in | |
| April | 54°F (12°C) | 3.1 in | |
| May | 63°F (17°C) | 3.6 in | |
| June | 70°F (21°C) | 4.0 in | Wettest |
| July | 76°F (25°C) | 2.9 in | Warmest |
| August | 73°F (23°C) | 3.2 in | |
| September | 66°F (19°C) | 3.3 in | |
| October | 56°F (13°C) | 3.8 in | |
| November | 46°F (8°C) | 3.3 in | |
| December | 38°F (4°C) | 2.5 in | Coldest |
San Floriano-Olmi has a seasonal temperature swing of 38°F / from 38°F in December to 76°F in July. Total annual precipitation is 36.3 inches, with June being the wettest month (4.0") and February the driest (1.9").