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Weather & Climate in San Giovanni, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Giovanni enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 46°F in January while summers reach 80°F in July. The area gets 305 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 37.1 inches. The area receives 4.9 inches of snow annually. The city sits at an elevation of 164 feet.
Temperature
46°F Jan (8°C)
80°F Jul (27°C)
| Annual Average | 60.9°F |
| 13% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 164 ft (50 m) |
| Area | 29.9 sq mi (77.3 km²) |
| Population Density | 26/sq mi |
| Coordinates | 42.6541°N, 13.9861°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,757 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 | 64 km | 9 km |
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 66 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 107 km | 10 km |
| Oct 31, 2002 | 4 km WSW of Larino, Italy | M5.9 | 121 km | 10 km |
| Nov 1, 2002 | 2 km ESE of Casacalenda, Italy | M5.8 | 127 km | 10 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 100 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 62 km | 7 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 71 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 66 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 96 km | 10 km |
| Apr 7, 2009 | 1 km SW of San Panfilo d'Ocre, Italy | M5.5 | 60 km | 15 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 103 km | 10 km |
| Mar 29, 2003 | 51 km W of Komiža, Croatia | M5.5 | 131 km | 10 km |
| Apr 9, 2009 | 5 km SE of Capitignano, Italy | M5.4 | 56 km | 15 km |
| Jul 21, 2013 | 3 km ENE of Marcelli, Italy | M5.4 | 98 km | 8 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 106 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 108 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 64 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 93 km | 10 km |
| Jan 18, 2017 | 3 km N of Montereale, Italy | M5.2 | 61 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | CENTRAL ADRIATIC | Earthquake | — | 18 | 143 km |
| 1805 | CAMPANIA | Earthquake | — | — | 134 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Colli Albani (148 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 148 km |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 168 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 1.9 in | |
| February | 43°F (6°C) | 1.9 in | Coldest |
| March | 47°F (8°C) | 2.2 in | |
| April | 53°F (11°C) | 2.5 in | |
| May | 61°F (16°C) | 1.8 in | Driest |
| June | 68°F (20°C) | 2.4 in | |
| July | 80°F (27°C) | 1.9 in | Warmest |
| August | 73°F (23°C) | 2.4 in | |
| September | 67°F (19°C) | 3.0 in | |
| October | 59°F (15°C) | 3.2 in | Wettest |
| November | 50°F (10°C) | 3.2 in | |
| December | 44°F (7°C) | 2.7 in |
San Giovanni has a seasonal temperature swing of 37°F / from 43°F in February to 80°F in July. Total annual precipitation is 29.1 inches, with October being the wettest month (3.2") and May the driest (1.8").