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Weather & Climate in Méga Kefalóvryso, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Méga Kefalóvryso enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 40°F in January while summers reach 80°F in July. The area gets 286 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 27.8 inches (drier than the 38-inch national average). The city sits at an elevation of 407 feet.
Temperature
40°F Jan (5°C)
80°F Jul (27°C)
| Annual Average | 60.3°F |
| 12% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 286 days/yr |
Geography
| Elevation | 407 ft (124 m) |
| Area | 26.7 sq mi (69.2 km²) |
| Population Density | 29/sq mi |
| Coordinates | 39.5892°N, 21.7284°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
6,111 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| May 13, 1995 | 10 km W of Aianí, Greece | M6.6 | 62 km | 14 km |
| Jun 15, 1995 | 8 km WNW of Galaxídhion, Greece | M6.5 | 141 km | 14 km |
| Aug 14, 2003 | 8 km S of Kanaláki, Greece | M6.3 | 108 km | 10 km |
| Mar 3, 2021 | 9 km W of Týrnavos, Greece | M6.3 | 43 km | 8 km |
| Mar 4, 2021 | 11 km E of Verdikoússa, Greece | M5.8 | 40 km | 10 km |
| Mar 18, 1993 | 11 km NNE of Témeni, Greece | M5.8 | 144 km | 59 km |
| Mar 21, 2020 | 14 km NNE of Kanaláki, Greece | M5.7 | 97 km | 10 km |
| May 26, 2000 | 10 km WSW of Préveza, Greece | M5.6 | 120 km | 0 km |
| Jun 16, 1990 | 6 km WNW of Kanaláki, Greece | M5.6 | 110 km | 32 km |
| Nov 5, 1997 | 10 km NW of Galaxídhion, Greece | M5.6 | 137 km | 24 km |
| Mar 12, 2021 | 8 km W of Elassóna, Greece | M5.6 | 46 km | 7 km |
| Jan 18, 2010 | 11 km E of Náfpaktos, Greece | M5.5 | 133 km | 1 km |
| Mar 4, 2021 | 7 km S of Kraniá Elassónas, Greece | M5.5 | 39 km | 10 km |
| Oct 15, 2016 | 7 km WSW of Asprángeloi, Greece | M5.5 | 96 km | 22 km |
| Aug 14, 2003 | 11 km W of Lefkáda, Greece | M5.5 | 131 km | 10 km |
| Jan 9, 2022 | 5 km NNW of Flórina, Greece | M5.5 | 141 km | 13 km |
| Feb 17, 2021 | 11 km N of Kamárai, Greece | M5.5 | 134 km | 5 km |
| Jun 29, 2007 | 10 km NE of Gáïos, Greece | M5.4 | 131 km | 10 km |
| Feb 25, 1994 | 15 km W of Lefkáda, Greece | M5.4 | 132 km | 36 km |
| Jan 22, 2010 | 14 km NNE of Kamárai, Greece | M5.4 | 133 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
11 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 | 145 km |
| 1817 | CORINTHOS-PATRAS GULF | Earthquake | 5.0 m | — | 147 km |
| 1996 | W. CORINTH GULF | Meteorological | 2.0 m | — | 139 km |
| 1995 | GULF OF CORINTH: AIYION | Eruption + Earthquake | 1.0 m | 26 | 141 km |
| 2003 | IONIAN SEA | Earthquake | 0.5 m | — | 108 km |
| 2015 | IONIAN SEA | Eruption + Earthquake | 0.2 m | 2 | 141 km |
| 1984 | CORINTHOS GULF, GREECE | Eruption + Earthquake | — | — | 146 km |
| 1955 | VOLOS GULF | Earthquake | — | 8 | 120 km |
| 1883 | IONIAN ISLANDS | Earthquake | — | — | 149 km |
| 1748 | CORINTHOS-PATRAS GULF | Earthquake | — | — | 147 km |
| -426 | CORINTHOS-PATRAS GULF | Earthquake | — | 2,500 | 114 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 3.1 in | Coldest |
| February | 45°F (7°C) | 3.1 in | |
| March | 50°F (10°C) | 3.0 in | |
| April | 58°F (14°C) | 2.1 in | |
| May | 65°F (19°C) | 1.7 in | |
| June | 74°F (23°C) | 1.1 in | |
| July | 80°F (27°C) | 0.8 in | Warmest |
| August | 79°F (26°C) | 0.7 in | Driest |
| September | 72°F (22°C) | 1.4 in | |
| October | 64°F (18°C) | 3.2 in | |
| November | 53°F (12°C) | 3.9 in | |
| December | 45°F (7°C) | 3.9 in | Wettest |
Méga Kefalóvryso has a seasonal temperature swing of 39°F / from 40°F in January to 80°F in July. Total annual precipitation is 27.8 inches, with December being the wettest month (3.9") and August the driest (0.7").