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Weather & Climate in Kéfalos, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kéfalos enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 53°F in January while summers reach 81°F in July. The area gets 288 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 26.6 inches (drier than the 38-inch national average). The city sits at an elevation of 358 feet.
Temperature
53°F Jan (11°C)
81°F Jul (27°C)
| Annual Average | 65.8°F |
| 22% above US avg | |
| January Average | 53°F (11°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 288 days/yr |
Geography
| Elevation | 358 ft (109 m) |
| Area | 150.3 sq mi (389.2 km²) |
| Population Density | 17/sq mi |
| Coordinates | 36.7451°N, 26.9596°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
3,112 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Jul 20, 2017 | 11 km ENE of Kos, Greece | M6.6 | 45 km | 7 km |
| Jul 15, 2008 | 35 km SSW of Lárdos, Greece | M6.4 | 133 km | 52 km |
| May 22, 2025 | 66 km SE of Emporeío, Greece | M6.2 | 133 km | 64 km |
| Jan 22, 2002 | 49 km NW of Fry, Greece | M6.2 | 111 km | 88 km |
| Jul 20, 1996 | Dodecanese Islands, Greece | M6.2 | 68 km | 33 km |
| Apr 1, 2011 | 42 km NW of Fry, Greece | M6.0 | 126 km | 60 km |
| Jun 2, 2025 | 8 km SSW of İçmeler, Turkey | M5.8 | 110 km | 72 km |
| Aug 4, 2004 | 15 km NE of Datça, Turkey | M5.6 | 77 km | 10 km |
| Aug 1, 2021 | 26 km SSW of Mandráki, Greece | M5.6 | 39 km | 10 km |
| Apr 26, 1996 | 8 km SW of Kremastí, Greece | M5.5 | 106 km | 75 km |
| Jan 10, 2005 | 23 km SE of Güvercinlik, Turkey | M5.5 | 81 km | 16 km |
| Jun 21, 2021 | 20 km SSW of Mandráki, Greece | M5.5 | 35 km | 9 km |
| Jun 28, 2020 | 5 km SSE of ?çmeler, Turkey | M5.4 | 115 km | 63 km |
| Aug 31, 2022 | 14 km NW of Megálo Chorió, Greece | M5.4 | 90 km | 11 km |
| Apr 2, 1996 | 8 km N of Samos, Greece | M5.4 | 120 km | 33 km |
| Sep 13, 2003 | 13 km SSW of Kéfalos, Greece | M5.3 | 13 km | 155 km |
| Feb 10, 2025 | 26 km SW of Amorgós, Greece | M5.3 | 117 km | 10 km |
| Jan 13, 2009 | 52 km NNE of Palekastro, Greece | M5.3 | 131 km | 42 km |
| Apr 13, 2021 | 10 km SW of Mandráki, Greece | M5.3 | 25 km | 6 km |
| Feb 4, 2025 | 21 km NE of Firá, Greece | M5.3 | 123 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
17 tsunamis recorded within 500 km. Highest wave on record: 90.0 m (295 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| -1610 | THERA ISLAND (SANTORINI) | Astronomical | 90.0 m | — | 145 km |
| 1650 | THERA ISLAND (SANTORINI) | Explosion | 30.0 m | 120 | 145 km |
| 1956 | CYCLADES | Eruption + Earthquake | 20.0 m | 56 | 90 km |
| 1956 | AMORGOS ISLAND, AEGEAN ISLANDS | Earthquake | 10.0 m | — | 130 km |
| 1948 | DODECANESE, KARPATHOS IS. | Earthquake | 7.3 m | — | 124 km |
| 2020 | AEGEAN SEA | Earthquake | 5.3 m | 118 | 129 km |
| 2002 | DODECANESE ISLANDS | Unknown | 4.0 m | — | 116 km |
| 1481 | ISLAND OF RHODES | Earthquake | 3.0 m | — | 125 km |
| 2017 | GULF OF GÖKOVA | Earthquake | 1.9 m | 2 | 45 km |
| 1968 | ISLAND OF KOS | Eruption + Earthquake | 1.2 m | — | 25 km |
| 2025 | ISLAND OF CRETE | Earthquake | 0.1 m | — | 143 km |
| 1870 | ALEXANDRIA | Earthquake | — | — | 119 km |
| 1050 | ISLAND OF THIRA | Astronomical | — | — | 145 km |
| 558 | DODECANESE ISLANDS | Earthquake | — | — | 77 km |
| 554 | ISLAND OF KOS | Earthquake | — | — | 31 km |
| 142 | DODECANESE ISLANDS | Earthquake | — | — | 93 km |
| 46 | THERA ISLAND (SANTORINI) | Astronomical | — | — | 145 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Nisyros (25 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Nisyros | Stratovolcano | 698 m (2,290 ft) | 1888 | 25 km |
| Santorini | Shield(s) | 367 m (1,204 ft) | 1950 | 145 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (11°C) | 5.9 in | Coldest, Wettest |
| February | 53°F (12°C) | 4.5 in | |
| March | 56°F (13°C) | 3.0 in | |
| April | 61°F (16°C) | 1.3 in | |
| May | 69°F (20°C) | 0.6 in | |
| June | 77°F (25°C) | 0.2 in | |
| July | 81°F (27°C) | 0.0 in | Warmest, Driest |
| August | 81°F (27°C) | 0.1 in | |
| September | 76°F (24°C) | 0.4 in | |
| October | 69°F (20°C) | 2.0 in | |
| November | 61°F (16°C) | 3.1 in | |
| December | 55°F (13°C) | 5.6 in |
Kéfalos has a seasonal temperature swing of 28°F / from 53°F in January to 81°F in July. Total annual precipitation is 26.6 inches, with January being the wettest month (5.9") and July the driest (0.0").