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Weather & Climate in Kéa, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kéa enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 57°F in January while summers reach 81°F in July. The area gets 346 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 13.1 inches (drier than the 38-inch national average). The city sits at an elevation of 1,453 feet.
Temperature
57°F Jan (14°C)
81°F Jul (27°C)
| Annual Average | 64.4°F |
| 19% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 346 days/yr |
Geography
| Elevation | 1,453 ft (443 m) |
| Area | 20.7 sq mi (53.7 km²) |
| Population Density | 0/sq mi |
| Coordinates | 37.6333°N, 24.3500°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
2,067 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Sep 7, 1999 | 5 km WNW of Fylí, Greece | M6.0 | 85 km | 10 km |
| May 21, 2002 | 18 km SW of Adámas, Greece | M5.9 | 112 km | 97 km |
| Aug 29, 2014 | 59 km E of Géfyra, Greece | M5.8 | 120 km | 80 km |
| Apr 4, 2014 | 36 km ESE of Ýdra, Greece | M5.6 | 58 km | 107 km |
| Jul 19, 2019 | 1 km NNE of Magoúla, Greece | M5.3 | 89 km | 10 km |
| Jun 9, 2015 | 13 km E of Malesína, Greece | M5.3 | 138 km | 13 km |
| Mar 20, 1992 | 9 km SE of Adámas, Greece | M5.2 | 109 km | 14 km |
| Jun 18, 2008 | 4 km NNW of Ayía Triás, Greece | M5.1 | 138 km | 83 km |
| Sep 22, 2012 | 8 km NNE of Káto Dhiminió, Greece | M5.0 | 148 km | 10 km |
| Oct 1, 1993 | 42 km WSW of Mílos, Greece | M4.9 | 116 km | 88 km |
| Dec 4, 2012 | 21 km NNE of Sykiá, Greece | M4.9 | 138 km | 7 km |
| Jun 27, 2014 | 47 km NNE of Andros, Greece | M4.8 | 95 km | 30 km |
| Aug 16, 2017 | 19 km W of Folégandros, Greece | M4.8 | 119 km | 102 km |
| Apr 30, 2014 | 47 km NNE of Andros, Greece | M4.8 | 95 km | 32 km |
| Mar 20, 1992 | 17 km SE of Adámas, Greece | M4.8 | 116 km | 10 km |
| Mar 31, 2023 | 37 km WNW of Sérifos, Greece | M4.8 | 46 km | 129 km |
| Apr 28, 2013 | 5 km NNW of Ástros, Greece | M4.8 | 147 km | 58 km |
| Aug 29, 2014 | 61 km E of Géfyra, Greece | M4.8 | 113 km | 38 km |
| Nov 27, 2013 | 14 km W of Pórto Chéli, Greece | M4.8 | 126 km | 37 km |
| Jul 18, 1995 | 33 km ESE of Skýros, Greece | M4.8 | 142 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1956 | AMORGOS ISLAND, AEGEAN ISLANDS | Earthquake | 10.0 m | — | 138 km |
| 1981 | GULF OF CORINTH | Earthquake | 1.3 m | — | 113 km |
| 1981 | ATHENS-EASTERN GULF OF CORINTH | Earthquake | 1.0 m | 22 | 140 km |
| 1928 | CORINTHOS-PATRAS GULF | Earthquake | 0.6 m | 20 | 125 km |
| 1853 | CENTRAL GREECE (EVOIKOS GULF) | Earthquake | — | 17 | 101 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Methana (89 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Methana | Lava dome(s) | 760 m (2,493 ft) | -258 | 89 km |
| Milos | Stratovolcano(es) | 751 m (2,464 ft) | 140 | 104 km |
| Santorini | Shield(s) | 367 m (1,204 ft) | 1950 | 165 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 57°F (14°C) | 2.3 in | |
| February | 51°F (10°C) | 2.1 in | Coldest |
| March | 54°F (12°C) | 2.0 in | |
| April | 60°F (15°C) | 1.0 in | |
| May | 68°F (20°C) | 0.6 in | |
| June | 76°F (25°C) | 0.2 in | Driest |
| July | 81°F (27°C) | 0.2 in | Warmest |
| August | 80°F (27°C) | 0.2 in | |
| September | 74°F (23°C) | 0.3 in | |
| October | 67°F (19°C) | 1.7 in | |
| November | 59°F (15°C) | 2.4 in | |
| December | 54°F (12°C) | 2.7 in | Wettest |
Kéa has a seasonal temperature swing of 30°F / from 51°F in February to 81°F in July. Total annual precipitation is 15.7 inches, with December being the wettest month (2.7") and June the driest (0.2").