Aviano-Castello, Italy

Full City Profile

1.9 /5.0

D Poor

5,465 Population 104/sq mi density

522 ft Elevation 159 meters

59°F Avg Temperature 15°C

Overall

1.9 / 5.0

Below average overall score based on economy, affordability, safety and education

Economy

1.9 / 5.0

$22,127 median income, 10.7% unemployment

Aviano-Castello enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 43°F in January while summers reach 76°F in July. The area gets 285 sunny days per year. Annual precipitation totals 51.8 inches. The area receives 1.5 inches of snow annually.

Temperature

43°F Jan (6°C) 76°F Jul (25°C)

Annual Average	58.6°F
	9% above US avg
January Average	43°F (6°C)
July Average	76°F (25°C)
Sunny Days	285 days/yr

Geography

Elevation	522 ft (159 m)
Area	52.6 sq mi (136.3 km²)
Population Density	104/sq mi
Coordinates	46.0676°N, 12.5832°W
Timezone	Europe/Rome

Precipitation & Snow

Annual Rainfall 51.8"

36% above US avg

Snowfall 1.5"

Wettest Month (Jun) 5.04"

Driest Month (Feb) 2.05"

Air Quality

Earthquake History

804 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.6. Most recent: M2.7 on May 20, 2025.

Apr 12, 1998	5 km E of Kobarid, Slovenia	M5.6	85 km
Mar 13, 1998	4 km NW of Ilirska Bistrica, Slovenia	M5.2	136 km
Jul 12, 2004	7 km NE of Kobarid, Slovenia	M5.2	85 km
May 22, 1995	6 km NNW of Ilirska Bistrica, Slovenia	M4.9	137 km
Nov 11, 1990	5 km ENE of Cerkno, Slovenia	M4.7	114 km
Jul 17, 2001	3 km NNE of Rifiano, Italy	M4.7	129 km
Feb 14, 2002	4 km SSW of Moggio di Sotto, Italy	M4.7	57 km
Jun 2, 2002	6 km SSE of Pivka, Slovenia	M4.6	137 km
May 6, 1998	6 km NNW of Tolmin, Slovenia	M4.6	89 km
Oct 5, 1991	0 km W of Nimis, Italy	M4.5	55 km
Jun 9, 2012	5 km NE of Lamosano, Italy	M4.5	19 km
May 28, 1998	3 km WSW of Osoppo, Italy	M4.5	40 km
Apr 22, 2014	7 km SE of Pivka, Slovenia	M4.5	138 km
Apr 24, 2005	0 km NNW of Ilirska Bistrica, Slovenia	M4.4	140 km
Jan 30, 2015	4 km W of Moggio di Sotto, Italy	M4.4	57 km
May 13, 1999	2 km NW of Clodig, Italy	M4.4	77 km
Mar 27, 2024	6 km ENE of Tramonti di Sopra, Italy	M4.3	37 km
Aug 29, 2004	1 km S of Enemonzo-Quinis, Italy	M4.3	43 km
Oct 24, 1994	3 km ESE of Piazza, Italy	M4.3	109 km
Oct 2, 1993	4 km WNW of Bordano, Italy	M4.3	47 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 235.0 m (771 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1963	VAJONT DAM, VAJONT RIVER	Meteorological	235.0 m	2,000	30 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	43°F (6°C)	2.4 in
February	36°F (2°C)	2.1 in	Driest
March	43°F (6°C)	3.1 in
April	49°F (10°C)	3.9 in
May	58°F (15°C)	4.5 in
June	65°F (18°C)	5.0 in	Wettest
July	76°F (25°C)	4.1 in	Warmest
August	69°F (20°C)	4.0 in
September	62°F (16°C)	4.4 in
October	52°F (11°C)	4.8 in
November	42°F (6°C)	3.9 in
December	35°F (2°C)	2.8 in	Coldest

Aviano-Castello has a seasonal temperature swing of 41°F / from 35°F in December to 76°F in July. Total annual precipitation is 45.1 inches, with June being the wettest month (5.0") and February the driest (2.1").

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