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Weather & Climate in San Giovanni Valdarno, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Giovanni Valdarno enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 42°F in January while summers reach 77°F in July. The area gets 289 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 38.7 inches. The area receives 5.5 inches of snow annually. The city sits at an elevation of 440 feet.
Temperature
42°F Jan (5°C)
77°F Jul (25°C)
| Annual Average | 57.8°F |
| 7% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 289 days/yr |
Geography
| Elevation | 440 ft (134 m) |
| Area | 10.1 sq mi (26.2 km²) |
| Population Density | 1,581/sq mi |
| Coordinates | 43.5676°N, 11.5299°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
2,218 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 117 km | 10 km |
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 149 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 147 km | 10 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 124 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 129 km | 10 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 121 km | 10 km |
| Mar 26, 1998 | 1 km E of Esanatoglia, Italy | M5.4 | 121 km | 10 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 149 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 133 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 116 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 85 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 105 km | 10 km |
| Jun 21, 2013 | 6 km WSW of Minucciano, Italy | M5.2 | 129 km | 5 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 52 km | 10 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 91 km | 10 km |
| Nov 2, 2002 | 4 km N of Sant'Alberto, Italy | M5.0 | 124 km | 10 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 141 km | 5 km |
| Jun 30, 2013 | 6 km SW of Minucciano, Italy | M4.9 | 127 km | 10 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 148 km | 10 km |
| Jan 25, 2013 | 3 km ENE of Castiglione di Garfagnana, Italy | M4.9 | 109 km | 16 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
8 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1916 | CENTRAL ADRIATIC | Earthquake | — | 4 | 130 km |
| 1875 | ADRIATIC SEA | Earthquake | — | — | 99 km |
| 1846 | LIVORNO | Earthquake | — | 56 | 77 km |
| 1846 | TUSCANY | Earthquake | — | — | 83 km |
| 1742 | LIVORNO | Earthquake | — | — | 108 km |
| 1672 | CENTRAL ADRIATIC | Earthquake | — | 1,500 | 94 km |
| 1646 | LIVORNO | Earthquake | — | — | 98 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 117 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Vulsini (112 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 112 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 3.0 in | Coldest |
| February | 42°F (6°C) | 3.1 in | |
| March | 47°F (8°C) | 3.2 in | |
| April | 52°F (11°C) | 3.6 in | |
| May | 60°F (16°C) | 3.0 in | |
| June | 67°F (19°C) | 2.7 in | |
| July | 77°F (25°C) | 1.6 in | Warmest, Driest |
| August | 72°F (22°C) | 2.3 in | |
| September | 66°F (19°C) | 3.3 in | |
| October | 57°F (14°C) | 4.5 in | |
| November | 48°F (9°C) | 5.2 in | Wettest |
| December | 42°F (5°C) | 4.1 in |
San Giovanni Valdarno has a seasonal temperature swing of 35°F / from 42°F in January to 77°F in July. Total annual precipitation is 39.6 inches, with November being the wettest month (5.2") and July the driest (1.6").