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San Giuliano del Sannio, Italy

Full City Profile

1.9 /5.0
D Poor
610 Population 22/sq mi density
2,037 ft Elevation 621 meters
58°F Avg Temperature 14°C
D
Overall
1.9 / 5.0
Below average overall score based on economy, affordability, safety and education
D
Economy
1.9 / 5.0
$16,227 median income, 13.0% unemployment
San Giuliano del Sannio enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 42°F in January while summers reach 78°F in July. The area gets 301 sunny days per year. Annual precipitation totals 37.7 inches. The area receives 18.8 inches of snow annually.

Temperature

42°F Jan (5°C) 78°F Jul (25°C)
Annual Average57.6°F
7% above US avg
January Average42°F (5°C)
July Average78°F (25°C)
Sunny Days301 days/yr

Geography

Elevation2,037 ft (621 m)
Area27.8 sq mi (72.1 km²)
Population Density22/sq mi
Coordinates41.4575°N, 14.6417°W
TimezoneEurope/Rome

Precipitation & Snow

Annual Rainfall 37.7"
1% below US avg
Snowfall 18.8"
Wettest Month (Nov) 3.35"
Driest Month (Jul) 1.22"

Air Quality

Earthquake History

696 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.3. Most recent: M4.0 on May 13, 2025.

Apr 6, 2009 3 km SE of Sassa, Italy M6.3 146 km
Oct 31, 2002 4 km WSW of Larino, Italy M5.9 42 km
May 5, 1990 6 km NE of Avigliano, Italy M5.8 121 km
Nov 1, 2002 2 km ESE of Casacalenda, Italy M5.8 36 km
Apr 7, 2009 1 km SW of San Panfilo d'Ocre, Italy M5.5 133 km
Sep 30, 1995 3 km S of Ischitella, Italy M5.2 114 km
May 26, 1991 3 km E of Avigliano, Italy M5.1 124 km
Mar 14, 2025 14 km NNE of Lesina, Italy M5.0 88 km
Apr 6, 2009 0 km WSW of Coppito, Italy M4.9 148 km
Feb 16, 2013 3 km W of Sora, Italy M4.8 93 km
Apr 7, 2009 1 km SW of L'Aquila, Italy M4.8 143 km
May 29, 2006 6 km SE of Carpino, Italy M4.7 112 km
Mar 28, 2023 2 km NNW of Montagano, Italy M4.7 23 km
Apr 3, 1996 0 km NNE of Muro Lucano, Italy M4.7 105 km
Feb 1, 1990 10 km NNE of Isole Tremiti, Italy M4.7 113 km
Sep 21, 2019 4 km WNW of Agropoli, Italy M4.7 124 km
Mar 19, 1997 1 km SSE of Sepino, Italy M4.6 7 km
Sep 27, 2012 0 km E of Sant'Arcangelo Trimonte, Italy M4.6 41 km
Apr 7, 2009 3 km ENE of Coppito, Italy M4.6 147 km
Feb 20, 2008 3 km W of Belmonte Castello, Italy M4.6 73 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

7 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).

Year Location Cause Max Wave Deaths Distance
1631 BAY OF NAPLES Eruption 5.0 m 4,000 73 km
1906 TYRRHENIAN SEA Astronomical 0.4 m 350 73 km
1805 CAMPANIA Earthquake 15 km
1731 TYRRHENIAN SEA Earthquake 3,600 72 km
1627 GARGANO PENINSULA Earthquake 5,000 66 km
1562 REGGIO DI CALABRIA Earthquake 129 km
79 BAY OF NAPLES Eruption 2,100 73 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Vesuvius (73 km).

Name Type Elevation Last Eruption Distance
Vesuvius Stratovolcano 1,281 m (4,203 ft) 1944 73 km
Campi Flegrei Caldera 458 m (1,503 ft) 1538 82 km
Ischia Complex 789 m (2,589 ft) 1302 102 km
Colli Albani Caldera 949 m (3,114 ft) Unknown 164 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (5°C) 2.4 in
February 39°F (4°C) 2.3 in Coldest
March 43°F (6°C) 2.2 in
April 48°F (9°C) 2.3 in
May 57°F (14°C) 2.0 in
June 64°F (18°C) 1.3 in
July 78°F (25°C) 1.2 in Warmest, Driest
August 69°F (21°C) 1.5 in
September 63°F (17°C) 2.1 in
October 55°F (13°C) 2.6 in
November 46°F (8°C) 3.4 in Wettest
December 41°F (5°C) 2.7 in

San Giuliano del Sannio has a seasonal temperature swing of 39°F / from 39°F in February to 78°F in July. Total annual precipitation is 26.0 inches, with November being the wettest month (3.4") and July the driest (1.2").

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