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Weather & Climate in Sant'Onofrio-Floriano, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sant'Onofrio-Floriano enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 43°F in January while summers reach 77°F in July. The area gets 299 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 41.1 inches. The area receives 12.1 inches of snow annually. The city sits at an elevation of 502 feet.
Temperature
43°F Jan (6°C)
77°F Jul (25°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 502 ft (153 m) |
| Area | 13.8 sq mi (35.8 km²) |
| Population Density | 66/sq mi |
| Coordinates | 42.7615°N, 13.7374°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,641 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| Apr 6, 2009 | 3 km SE of Sassa, Italy | M6.3 | 58 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 45 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 83 km | 10 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 143 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 148 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 45 km | 7 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 77 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 49 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 49 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 72 km | 10 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 80 km | 10 km |
| Mar 29, 2003 | 51 km W of Komiža, Croatia | M5.5 | 146 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 59 km | 15 km |
| Jul 21, 2013 | 3 km ENE of Marcelli, Italy | M5.4 | 82 km | 8 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 45 km | 15 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 83 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 70 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 84 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 45 km | 10 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 46 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | CENTRAL ADRIATIC | Earthquake | — | 18 | 127 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Colli Albani (143 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 143 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 149 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 1.9 in | Driest |
| February | 42°F (6°C) | 1.9 in | Coldest |
| March | 47°F (8°C) | 2.2 in | |
| April | 52°F (11°C) | 2.5 in | |
| May | 61°F (16°C) | 2.1 in | |
| June | 68°F (20°C) | 2.6 in | |
| July | 77°F (25°C) | 2.1 in | Warmest |
| August | 73°F (23°C) | 2.5 in | |
| September | 66°F (19°C) | 3.1 in | |
| October | 58°F (14°C) | 3.2 in | Wettest |
| November | 49°F (9°C) | 3.0 in | |
| December | 43°F (6°C) | 2.6 in |
Sant'Onofrio-Floriano has a seasonal temperature swing of 35°F / from 42°F in February to 77°F in July. Total annual precipitation is 29.7 inches, with October being the wettest month (3.2") and January the driest (1.9").