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Weather & Climate in San Giuliano Terme, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Giuliano Terme experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 40°F in January while summers reach 72°F in July. The area gets 285 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 87.1 inches (wetter than the 38-inch national average). The area receives 22.3 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 20 feet.
Temperature
40°F Jan (4°C)
72°F Jul (22°C)
| Annual Average | 54.7°F |
| 1% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 72.6 sq mi (187.9 km²) |
| Population Density | 33/sq mi |
| Coordinates | 43.7637°N, 10.4386°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,950 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| May 20, 2012 | 4 km NNE of Massa Finalese, Italy | M6.0 | 140 km | 6 km |
| May 29, 2012 | 1 km ENE of Medolla, Italy | M5.8 | 131 km | 10 km |
| May 29, 2012 | 2 km NE of San Possidonio, Italy | M5.5 | 133 km | 7 km |
| Oct 15, 1996 | 2 km N of Correggio, Italy | M5.4 | 118 km | 10 km |
| Sep 14, 2003 | 3 km E of Monterenzio, Italy | M5.3 | 102 km | 10 km |
| Jun 21, 2013 | 6 km WSW of Minucciano, Italy | M5.2 | 50 km | 5 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 103 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M5.1 | 130 km | 10 km |
| Jun 3, 2012 | 3 km ENE of Novi di Modena, Italy | M5.1 | 133 km | 9 km |
| May 10, 2000 | 7 km SE of Granarolo, Italy | M5.1 | 139 km | 10 km |
| Jan 27, 2012 | 4 km SE of Berceto, Italy | M5.0 | 86 km | 60 km |
| May 20, 2012 | 1 km SSW of Vigarano Mainarda, Italy | M5.0 | 145 km | 5 km |
| Apr 18, 2005 | 2 km WSW of Marsaglia, Italy | M4.9 | 136 km | 0 km |
| May 20, 2012 | 2 km ENE of Medolla, Italy | M4.9 | 133 km | 10 km |
| Jan 25, 2013 | 3 km ENE of Castiglione di Garfagnana, Italy | M4.9 | 45 km | 16 km |
| Jan 25, 2012 | 1 km N of Poviglio, Italy | M4.9 | 122 km | 33 km |
| Jun 30, 2013 | 6 km SW of Minucciano, Italy | M4.9 | 47 km | 10 km |
| May 29, 2012 | 2 km W of San Possidonio, Italy | M4.8 | 130 km | 11 km |
| Mar 1, 2008 | 6 km NNW of Galliano, Italy | M4.8 | 73 km | 4 km |
| Feb 21, 1998 | 2 km ENE of Campagnola Emilia, Italy | M4.8 | 124 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1846 | LIVORNO | Earthquake | — | 56 | 43 km |
| 1846 | TUSCANY | Earthquake | — | — | 30 km |
| 1742 | LIVORNO | Earthquake | — | — | 35 km |
| 1646 | LIVORNO | Earthquake | — | — | 26 km |
| 1624 | DELTA OF THE PO | Earthquake | — | — | 143 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Vulsini (177 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 177 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 3.1 in | Coldest |
| February | 45°F (7°C) | 2.4 in | |
| March | 49°F (9°C) | 2.9 in | |
| April | 54°F (12°C) | 3.6 in | |
| May | 61°F (16°C) | 2.6 in | |
| June | 68°F (20°C) | 2.1 in | |
| July | 72°F (22°C) | 1.1 in | Driest |
| August | 73°F (23°C) | 2.2 in | Warmest |
| September | 67°F (20°C) | 3.8 in | |
| October | 59°F (15°C) | 5.4 in | Wettest |
| November | 50°F (10°C) | 5.0 in | |
| December | 45°F (7°C) | 3.4 in |
San Giuliano Terme has a seasonal temperature swing of 33°F / from 40°F in January to 73°F in August. Total annual precipitation is 37.5 inches, with October being the wettest month (5.4") and July the driest (1.1").