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Weather & Climate in Vlachiótis, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Vlachiótis enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 48°F in January while summers reach 78°F in July. The area gets 293 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 23.7 inches (drier than the 38-inch national average). The city sits at an elevation of 95 feet.
Temperature
48°F Jan (9°C)
78°F Jul (25°C)
| Annual Average | 61.7°F |
| 14% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 95 ft (29 m) |
| Area | 92.0 sq mi (238.3 km²) |
| Population Density | 26/sq mi |
| Coordinates | 36.8609°N, 22.7083°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
3,731 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Feb 14, 2008 | 35 km S of Methóni, Greece | M6.9 | 101 km | 29 km |
| Jan 8, 2006 | 26 km NE of Kýthira, Greece | M6.7 | 76 km | 66 km |
| Feb 14, 2008 | 50 km S of Koróni, Greece | M6.5 | 95 km | 28 km |
| Oct 13, 1997 | 47 km SSE of Koróni, Greece | M6.4 | 78 km | 24 km |
| Jan 6, 2008 | 15 km WNW of Leonídio, Greece | M6.2 | 40 km | 75 km |
| Feb 20, 2008 | 58 km SSW of Koróni, Greece | M6.2 | 105 km | 10 km |
| Nov 21, 1992 | 51 km WSW of Kýthira, Greece | M5.9 | 107 km | 65 km |
| May 21, 2002 | 18 km SW of Adámas, Greece | M5.9 | 142 km | 97 km |
| Mar 29, 2024 | 34 km WNW of Filiatrá, Greece | M5.8 | 139 km | 27 km |
| Apr 16, 2012 | 29 km SW of Methóni, Greece | M5.8 | 113 km | 29 km |
| Aug 29, 2014 | 59 km E of Géfyra, Greece | M5.8 | 91 km | 80 km |
| May 24, 2000 | 83 km S of Koróni, Greece | M5.7 | 110 km | 33 km |
| Mar 1, 2004 | 6 km ESE of Arfará, Greece | M5.6 | 61 km | 9 km |
| Jun 21, 2008 | 82 km S of Koróni, Greece | M5.6 | 119 km | 5 km |
| Apr 4, 2014 | 36 km ESE of Ýdra, Greece | M5.6 | 113 km | 107 km |
| Jun 25, 2018 | 37 km WSW of Methóni, Greece | M5.5 | 124 km | 10 km |
| Apr 29, 1998 | 72 km S of Koróni, Greece | M5.5 | 106 km | 33 km |
| Jan 11, 1994 | 92 km S of Koróni, Greece | M5.5 | 121 km | 33 km |
| Sep 16, 2001 | 6 km SE of Kopanáki, Greece | M5.5 | 86 km | 10 km |
| Apr 17, 1999 | 86 km S of Methóni, Greece | M5.4 | 130 km | 40 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
8 tsunamis recorded within 500 km. Highest wave on record: 8.6 m (28 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1866 | S. COASTS PELOPONNESUS, GREECE | Earthquake | 8.6 m | — | 99 km |
| 1867 | PELOPONNESUS, GREECE | Earthquake | 6.0 m | — | 68 km |
| 1947 | PELOPONNESUS, GREECE | Eruption + Earthquake | 1.0 m | 3 | 71 km |
| 1899 | IONIAN SEA | Earthquake | 1.0 m | — | 95 km |
| 1928 | CORINTHOS-PATRAS GULF | Earthquake | 0.6 m | 20 | 129 km |
| 1926 | ARGOLIKOS GULF | Earthquake | — | — | 66 km |
| 1886 | IONIAN SEA | Earthquake | — | 326 | 93 km |
| 1402 | GULF OF CORINTH | Earthquake | — | — | 141 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Methana (101 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Methana | Lava dome(s) | 760 m (2,493 ft) | -258 | 101 km |
| Milos | Stratovolcano(es) | 751 m (2,464 ft) | 140 | 155 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 3.5 in | Coldest |
| February | 48°F (9°C) | 3.1 in | |
| March | 51°F (11°C) | 2.4 in | |
| April | 57°F (14°C) | 1.7 in | |
| May | 65°F (18°C) | 0.8 in | |
| June | 74°F (23°C) | 0.3 in | Driest |
| July | 78°F (25°C) | 0.3 in | Warmest |
| August | 77°F (25°C) | 0.4 in | |
| September | 72°F (22°C) | 0.6 in | |
| October | 64°F (18°C) | 2.4 in | |
| November | 56°F (13°C) | 4.0 in | |
| December | 51°F (10°C) | 4.3 in | Wettest |
Vlachiótis has a seasonal temperature swing of 30°F / from 48°F in January to 78°F in July. Total annual precipitation is 23.7 inches, with December being the wettest month (4.3") and June the driest (0.3").