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Weather & Climate in Borgo San Michele, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Borgo San Michele enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 50°F in January while summers reach 82°F in July. The area gets 319 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 62.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 49 feet.
Temperature
50°F Jan (10°C)
82°F Jul (28°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 319 days/yr |
Geography
| Elevation | 49 ft (15 m) |
| Area | 11.0 sq mi (28.4 km²) |
| Population Density | 196/sq mi |
| Coordinates | 41.4383°N, 12.9735°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
528 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 | 104 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 144 km | 4 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 131 km | 7 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 129 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 102 km | 15 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 120 km | 15 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 137 km | 10 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 127 km | 7 km |
| Apr 9, 2009 | 2 km ESE of Capitignano, Italy | M5.2 | 123 km | 3 km |
| Apr 6, 2009 | 5 km ENE of Pizzoli, Italy | M5.1 | 117 km | 9 km |
| Apr 13, 2009 | 5 km ESE of Capitignano, Italy | M5.0 | 123 km | 8 km |
| Apr 6, 2009 | 0 km WSW of Coppito, Italy | M4.9 | 108 km | 10 km |
| Aug 26, 2016 | 2 km S of Amatrice, Italy | M4.8 | 132 km | 11 km |
| Apr 7, 2009 | 1 km SW of L'Aquila, Italy | M4.8 | 106 km | 10 km |
| Apr 6, 2009 | 5 km NW of Scoppito, Italy | M4.8 | 110 km | 5 km |
| Feb 16, 2013 | 3 km W of Sora, Italy | M4.8 | 59 km | 11 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 108 km | 10 km |
| Jun 22, 2009 | 4 km ENE of Pizzoli, Italy | M4.7 | 116 km | 14 km |
| Jan 18, 2017 | 4 km WNW of Campotosto, Italy | M4.7 | 130 km | 10 km |
| Oct 10, 1999 | 5 km WSW of Accumoli, Italy | M4.7 | 138 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: 5.0 m (16 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1631 | BAY OF NAPLES | Eruption | 5.0 m | 4,000 | 140 km |
| 1906 | TYRRHENIAN SEA | Astronomical | 0.4 m | 350 | 140 km |
| 1805 | CAMPANIA | Earthquake | — | — | 125 km |
| 79 | BAY OF NAPLES | Eruption | — | 2,100 | 140 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Colli Albani (40 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 40 km |
| Ischia | Complex | 789 m (2,589 ft) | 1302 | 110 km |
| Campi Flegrei | Caldera | 458 m (1,503 ft) | 1538 | 119 km |
| Vesuvius | Stratovolcano | 1,281 m (4,203 ft) | 1944 | 140 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 155 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 3.8 in | |
| February | 49°F (9°C) | 3.6 in | Coldest |
| March | 52°F (11°C) | 3.1 in | |
| April | 56°F (14°C) | 2.9 in | |
| May | 64°F (18°C) | 1.7 in | |
| June | 71°F (22°C) | 0.9 in | |
| July | 82°F (28°C) | 0.7 in | Warmest, Driest |
| August | 77°F (25°C) | 1.5 in | |
| September | 71°F (22°C) | 3.2 in | |
| October | 64°F (18°C) | 4.5 in | |
| November | 55°F (13°C) | 5.6 in | Wettest |
| December | 49°F (10°C) | 4.9 in |
Borgo San Michele has a seasonal temperature swing of 33°F / from 49°F in February to 82°F in July. Total annual precipitation is 36.5 inches, with November being the wettest month (5.6") and July the driest (0.7").