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Óssa, Greece

Full City Profile

2.6 /5.0
C+ Fair
651 Population 0/sq mi density
433 ft Elevation 132 meters
57°F Avg Temperature 14°C
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.6 / 5.0
$18,684 median income, unemployment
Óssa enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 40°F in January while summers reach 76°F in July. The area gets 302 sunny days per year. Annual precipitation totals 18.7 inches. The area receives 0.0 inches of snow annually.

Temperature

40°F Jan (4°C) 76°F Jul (24°C)
Annual Average56.8°F
5% above US avg
January Average40°F (4°C)
July Average76°F (24°C)
Sunny Days302 days/yr

Geography

Elevation433 ft (132 m)
Area43,758.1 sq mi (113,333.5 km²)
Population Density0/sq mi
Coordinates39.7463°N, 22.5784°W
TimezoneEurope/Athens

Precipitation & Snow

Annual Rainfall 18.7"
51% below US avg
Snowfall 0.0"
Wettest Month (Nov) 2.40"
Driest Month (Aug) 0.87"

Air Quality

Earthquake History

3,616 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.6. Most recent: M4.3 on Aug 18, 2025.

May 13, 1995 10 km W of Aianí, Greece M6.6 88 km
Mar 3, 2021 9 km W of Týrnavos, Greece M6.3 34 km
Dec 21, 1990 14 km WNW of Gouménissa, Greece M6.1 142 km
Mar 4, 2021 11 km E of Verdikoússa, Greece M5.8 40 km
Mar 12, 2021 8 km W of Elassóna, Greece M5.6 45 km
Nov 5, 1997 10 km NW of Galaxídhion, Greece M5.6 148 km
Mar 4, 2021 7 km S of Kraniá Elassónas, Greece M5.5 53 km
Jun 7, 2025 6 km WNW of Karyes, Greece M5.4 147 km
Aug 7, 2013 9 km NW of Eláteia, Greece M5.3 118 km
May 4, 1995 9 km NNW of Palaiochóri, Greece M5.3 127 km
Sep 16, 2013 9 km NNW of Eláteia, Greece M5.3 116 km
Jun 9, 2015 13 km E of Malesína, Greece M5.3 143 km
Mar 3, 2021 5 km WSW of Týrnavos, Greece M5.3 31 km
Jul 17, 1995 7 km S of Siátista, Greece M5.2 102 km
Jun 9, 2003 7 km E of Tsarítsani, Greece M5.2 28 km
May 15, 1995 18 km NW of Deskáti, Greece M5.2 85 km
Feb 14, 2012 10 km ENE of Sárti, Greece M5.2 136 km
Aug 22, 2014 12 km S of Kassándreia, Greece M5.2 76 km
May 17, 1995 17 km WSW of Aianí, Greece M5.2 90 km
Mar 4, 2012 8 km ENE of Sárti, Greece M5.2 133 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1894 NORTH EVOIKOS GULF Eruption + Earthquake 3.0 m 125 km
1932 NORTH AEGEAN Earthquake 2.0 m 161 140 km
1965 AEGEAN SEA Earthquake 38 128 km
1955 VOLOS GULF Earthquake 8 59 km
1902 AEGEAN SEA Earthquake 5 125 km
-426 CORINTHOS-PATRAS GULF Earthquake 2,500 95 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 40°F (4°C) 1.6 in Coldest
February 41°F (5°C) 1.7 in
March 46°F (8°C) 1.7 in
April 54°F (12°C) 1.7 in
May 63°F (17°C) 1.7 in
June 72°F (22°C) 1.1 in
July 76°F (24°C) 0.9 in Warmest
August 74°F (24°C) 0.9 in Driest
September 68°F (20°C) 1.0 in
October 59°F (15°C) 2.0 in
November 49°F (9°C) 2.4 in Wettest
December 42°F (5°C) 2.1 in

Óssa has a seasonal temperature swing of 36°F / from 40°F in January to 76°F in July. Total annual precipitation is 18.7 inches, with November being the wettest month (2.4") and August the driest (0.9").

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