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Porto Santo Stefano, Italy

Full City Profile

1.9 /5.0
D Poor
8,892 Population 333/sq mi density
16 ft Elevation 5 meters
58°F Avg Temperature 15°C
D
Overall
1.9 / 5.0
Below average overall score based on economy, affordability, safety and education
D
Economy
1.9 / 5.0
$22,236 median income, 12.8% unemployment
Porto Santo Stefano enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 47°F in January while summers reach 73°F in July. The area gets 300 sunny days per year. Annual precipitation totals 19.7 inches. The area receives 0.0 inches of snow annually.

Temperature

47°F Jan (8°C) 73°F Jul (23°C)
Annual Average58.3°F
8% above US avg
January Average47°F (8°C)
July Average73°F (23°C)
Sunny Days300 days/yr

Geography

Elevation16 ft (5 m)
Area26.7 sq mi (69.1 km²)
Population Density333/sq mi
Coordinates42.4383°N, 11.1154°W
TimezoneEurope/Rome

Precipitation & Snow

Annual Rainfall 19.7"
48% below US avg
Snowfall 0.0"
Wettest Month (Nov) 2.64"
Driest Month (Jul) 0.35"

Air Quality

Earthquake History

450 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M3.2 on Mar 4, 2025.

Jun 5, 1993 7 km ESE of Valfabbrica, Italy M4.9 148 km
Jun 22, 2000 8 km WSW of Cipolleto, Italy M4.8 147 km
Nov 7, 2001 56 km ENE of Porto Cervo, Italy M4.6 146 km
Mar 9, 2023 2 km S of Umbertide, Italy M4.5 137 km
Apr 1, 2000 1 km SSW of Piancastagnaio, Italy M4.5 65 km
May 12, 1997 3 km W of Massa Martana, Italy M4.4 118 km
Oct 2, 1997 5 km WNW of Valtopina, Italy M4.4 147 km
May 30, 2016 1 km WNW of Castel Giorgio, Italy M4.4 76 km
Jun 11, 2000 1 km NW of Costano, Italy M4.4 134 km
Dec 15, 2009 6 km SW of Pila, Italy M4.3 114 km
Aug 28, 2010 2 km NNW of Castel Ritaldi, Italy M4.3 134 km
Jan 2, 2017 1 km W of San Giacomo, Italy M4.3 138 km
May 31, 1990 3 km SSE of Meggiano, Italy M4.3 148 km
Oct 11, 1997 7 km ENE of Foligno, Italy M4.3 149 km
Mar 9, 2023 4 km SW of Umbertide, Italy M4.3 134 km
Dec 16, 2000 9 km N of Terni, Italy M4.3 129 km
Sep 26, 1997 7 km ENE of Foligno, Italy M4.2 150 km
Sep 26, 1997 4 km ENE of Capitan Loreto, Italy M4.2 145 km
Mar 9, 2023 4 km S of Umbertide, Italy M4.2 135 km
Sep 28, 1997 7 km ENE of Foligno, Italy M4.2 149 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

4 tsunamis recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1846 LIVORNO Earthquake 56 115 km
1846 TUSCANY Earthquake 128 km
1742 LIVORNO Earthquake 140 km
1646 LIVORNO Earthquake 140 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Vulsini (69 km).

Name Type Elevation Last Eruption Distance
Vulsini Caldera 800 m (2,625 ft) -104 69 km
Colli Albani Caldera 949 m (3,114 ft) Unknown 153 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 47°F (8°C) 2.2 in
February 46°F (8°C) 1.8 in Coldest
March 49°F (10°C) 1.8 in
April 53°F (12°C) 1.4 in
May 61°F (16°C) 1.2 in
June 68°F (20°C) 0.7 in
July 73°F (23°C) 0.4 in Driest
August 74°F (23°C) 1.1 in Warmest
September 68°F (20°C) 1.9 in
October 61°F (16°C) 2.5 in
November 53°F (12°C) 2.6 in Wettest
December 48°F (9°C) 2.2 in

Porto Santo Stefano has a seasonal temperature swing of 27°F / from 46°F in February to 74°F in August. Total annual precipitation is 19.7 inches, with November being the wettest month (2.6") and July the driest (0.4").

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