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Weather & Climate in Vartholomió, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Vartholomió enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 49°F in January while summers reach 76°F in July. The area gets 280 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 30.9 inches. The city sits at an elevation of 43 feet.
Temperature
49°F Jan (9°C)
76°F Jul (25°C)
| Annual Average | 62.2°F |
| 15% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 280 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 105.0 sq mi (271.8 km²) |
| Population Density | 29/sq mi |
| Coordinates | 37.8622°N, 21.2058°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
8,628 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Nov 18, 1997 | 22 km SW of Lithakiá, Greece | M6.6 | 58 km | 33 km |
| Jun 15, 1995 | 8 km WNW of Galaxídhion, Greece | M6.5 | 112 km | 14 km |
| Jun 8, 2008 | 15 km ESE of Várda, Greece | M6.4 | 30 km | 16 km |
| Jan 6, 2008 | 15 km WNW of Leonídio, Greece | M6.2 | 150 km | 75 km |
| Jan 26, 2014 | 1 km ENE of Lixoúri, Greece | M6.1 | 76 km | 8 km |
| Feb 3, 2014 | 8 km NNW of Lixoúri, Greece | M6.0 | 84 km | 5 km |
| Nov 18, 1992 | 10 km SE of Galaxídhion, Greece | M5.9 | 120 km | 15 km |
| Mar 18, 1993 | 11 km NNE of Témeni, Greece | M5.8 | 99 km | 59 km |
| Apr 16, 2012 | 29 km SW of Methóni, Greece | M5.8 | 139 km | 29 km |
| Nov 3, 2009 | 38 km SW of Lithakiá, Greece | M5.8 | 74 km | 10 km |
| Mar 29, 2024 | 34 km WNW of Filiatrá, Greece | M5.8 | 60 km | 27 km |
| Jan 31, 2005 | 62 km WSW of Katastárion, Greece | M5.7 | 99 km | 32 km |
| Apr 12, 2006 | 16 km SE of Lithakiá, Greece | M5.7 | 36 km | 19 km |
| Mar 25, 2007 | 15 km N of Lixoúri, Greece | M5.7 | 87 km | 15 km |
| May 26, 2000 | 10 km WSW of Préveza, Greece | M5.6 | 128 km | 0 km |
| Nov 5, 1997 | 10 km NW of Galaxídhion, Greece | M5.6 | 114 km | 24 km |
| Jan 23, 1992 | 19 km NNW of Lixoúri, Greece | M5.6 | 94 km | 17 km |
| Jan 26, 2014 | 8 km WNW of Sámi, Greece | M5.6 | 74 km | 10 km |
| Jul 14, 1993 | 2 km SE of Pátra, Greece | M5.6 | 63 km | 23 km |
| Mar 1, 2004 | 6 km ESE of Arfará, Greece | M5.6 | 114 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
20 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1963 | CORINTH GULF | Meteorological | 6.0 m | 2 | 87 km |
| 1817 | CORINTHOS-PATRAS GULF | Earthquake | 5.0 m | — | 92 km |
| 1965 | NORTH CORINTH GULF | Eruption + Earthquake | 3.0 m | 2 | 131 km |
| 1861 | CORINTH GULF | Eruption + Earthquake | 2.1 m | — | 95 km |
| 2008 | SW. CORINTH GULF | Unknown | 2.0 m | — | 95 km |
| 1996 | W. CORINTH GULF | Meteorological | 2.0 m | — | 95 km |
| 2018 | IONIAN SEA | Earthquake | 1.5 m | — | 69 km |
| 1995 | GULF OF CORINTH: AIYION | Eruption + Earthquake | 1.0 m | 26 | 112 km |
| 1953 | IONIAN SEA | Earthquake | 1.0 m | — | 59 km |
| 1948 | IONIAN SEA | Earthquake | 1.0 m | 7 | 101 km |
| 1947 | PELOPONNESUS, GREECE | Eruption + Earthquake | 1.0 m | 3 | 133 km |
| 1899 | IONIAN SEA | Earthquake | 1.0 m | — | 83 km |
| 1898 | IONIAN ISLANDS | Earthquake | 0.4 m | — | 22 km |
| 2015 | IONIAN SEA | Eruption + Earthquake | 0.2 m | 2 | 104 km |
| 2018 | ISLAND OF ZAKYNTHOS | Meteorological | — | — | 51 km |
| 1992 | CORINTH GULF | Earthquake | — | — | 134 km |
| 1984 | CORINTHOS GULF, GREECE | Eruption + Earthquake | — | — | 93 km |
| 1983 | IONIAN SEA | Earthquake | — | — | 88 km |
| 1953 | ITHAKI ISLAND | Earthquake | — | — | 51 km |
| 1953 | IONIAN SEA | Earthquake | — | 476 | 60 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Methana (189 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Methana | Lava dome(s) | 760 m (2,493 ft) | -258 | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 4.5 in | Coldest |
| February | 50°F (10°C) | 3.6 in | |
| March | 53°F (12°C) | 2.9 in | |
| April | 58°F (14°C) | 1.9 in | |
| May | 65°F (18°C) | 0.8 in | |
| June | 72°F (22°C) | 0.3 in | |
| July | 76°F (25°C) | 0.2 in | Driest |
| August | 77°F (25°C) | 0.3 in | Warmest |
| September | 72°F (22°C) | 1.3 in | |
| October | 65°F (19°C) | 4.0 in | |
| November | 57°F (14°C) | 5.7 in | Wettest |
| December | 52°F (11°C) | 5.6 in |
Vartholomió has a seasonal temperature swing of 28°F / from 49°F in January to 77°F in August. Total annual precipitation is 30.9 inches, with November being the wettest month (5.7") and July the driest (0.2").