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Weather & Climate in San Giovanni d'Asso, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Giovanni d'Asso enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 42°F in January while summers reach 73°F in July. The area gets 290 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 25.6 inches (drier than the 38-inch national average). The city sits at an elevation of 1,017 feet.
Temperature
42°F Jan (6°C)
73°F Jul (23°C)
| Annual Average | 56.3°F |
| 4% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 1,017 ft (310 m) |
| Area | 45.4 sq mi (117.5 km²) |
| Population Density | 7/sq mi |
| Coordinates | 43.1533°N, 11.5894°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,003 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Aug 24, 2016 | 5 km WNW of Accumoli, Italy | M6.2 | 139 km | 4 km |
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 100 km | 10 km |
| Jan 18, 2017 | 5 km ESE of Cittareale, Italy | M5.7 | 147 km | 7 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 105 km | 10 km |
| Aug 24, 2016 | 5 km S of Castelsantangelo sul Nera, Italy | M5.6 | 132 km | 3 km |
| Jan 18, 2017 | 4 km SE of Cittareale, Italy | M5.6 | 145 km | 10 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 102 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 108 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 112 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 131 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 110 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 98 km | 10 km |
| Jan 18, 2017 | 4 km SW of Accumoli, Italy | M5.3 | 143 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 90 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 133 km | 10 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 97 km | 10 km |
| Jun 5, 1993 | 7 km ESE of Valfabbrica, Italy | M4.9 | 88 km | 8 km |
| Jan 25, 2013 | 3 km ENE of Castiglione di Garfagnana, Italy | M4.9 | 145 km | 16 km |
| Aug 15, 1998 | 3 km NE of Cittaducale, Italy | M4.8 | 141 km | 10 km |
| Jun 22, 2000 | 8 km WSW of Cipolleto, Italy | M4.8 | 74 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
6 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1875 | ADRIATIC SEA | Earthquake | — | — | 133 km |
| 1846 | LIVORNO | Earthquake | — | 56 | 85 km |
| 1846 | TUSCANY | Earthquake | — | — | 96 km |
| 1742 | LIVORNO | Earthquake | — | — | 119 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | — | 1,500 | 118 km |
| 1646 | LIVORNO | Earthquake | — | — | 112 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Vulsini (68 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 68 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.0 in | Coldest |
| February | 43°F (6°C) | 2.1 in | |
| March | 47°F (9°C) | 2.0 in | |
| April | 53°F (11°C) | 2.2 in | |
| May | 60°F (16°C) | 2.1 in | |
| June | 67°F (20°C) | 1.7 in | |
| July | 73°F (23°C) | 0.9 in | Warmest, Driest |
| August | 73°F (23°C) | 1.5 in | |
| September | 66°F (19°C) | 2.4 in | |
| October | 58°F (15°C) | 3.0 in | |
| November | 49°F (10°C) | 3.3 in | Wettest |
| December | 43°F (6°C) | 2.5 in |
San Giovanni d'Asso has a seasonal temperature swing of 31°F / from 42°F in January to 73°F in July. Total annual precipitation is 25.6 inches, with November being the wettest month (3.3") and July the driest (0.9").