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Weather & Climate in Kálymnos, Greece
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Kálymnos enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 50°F in January while summers reach 81°F in July. The area gets 285 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 27.9 inches (drier than the 38-inch national average). The city sits at an elevation of 7 feet.
Temperature
50°F Jan (10°C)
81°F Jul (27°C)
| Annual Average | 64.5°F |
| 19% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 150.3 sq mi (389.2 km²) |
| Population Density | 82/sq mi |
| Coordinates | 36.9503°N, 26.9839°W |
| Timezone | Europe/Athens |
Precipitation & Snow
Air Quality
Earthquake History
2,998 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 | 38 km | 7 km |
| Jul 15, 2008 | 35 km SSW of Lárdos, Greece | M6.4 | 150 km | 52 km |
| Jan 22, 2002 | 49 km NW of Fry, Greece | M6.2 | 133 km | 88 km |
| Jul 20, 1996 | Dodecanese Islands, Greece | M6.2 | 90 km | 33 km |
| Nov 6, 1992 | 14 km ESE of Seferihisar, Turkey | M6.1 | 135 km | 17 km |
| Apr 1, 2011 | 42 km NW of Fry, Greece | M6.0 | 148 km | 60 km |
| Apr 10, 2003 | 10 km ENE of Seferihisar, Turkey | M5.8 | 141 km | 10 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 | 75 km | 10 km |
| Aug 1, 2021 | 26 km SSW of Mandráki, Greece | M5.6 | 62 km | 10 km |
| Jan 10, 2005 | 23 km SE of Güvercinlik, Turkey | M5.5 | 73 km | 16 km |
| Jun 21, 2021 | 20 km SSW of Mandráki, Greece | M5.5 | 57 km | 9 km |
| Apr 26, 1996 | 8 km SW of Kremastí, Greece | M5.5 | 115 km | 75 km |
| Jun 28, 2020 | 5 km SSE of ?çmeler, Turkey | M5.4 | 115 km | 63 km |
| Apr 2, 1996 | 8 km N of Samos, Greece | M5.4 | 98 km | 33 km |
| Aug 31, 2022 | 14 km NW of Megálo Chorió, Greece | M5.4 | 68 km | 11 km |
| Feb 10, 2025 | 26 km SW of Amorgós, Greece | M5.3 | 122 km | 10 km |
| Feb 4, 2025 | 21 km NE of Firá, Greece | M5.3 | 131 km | 14 km |
| Aug 8, 2017 | 15 km ESE of Bodrum, Turkey | M5.3 | 52 km | 10 km |
| Sep 13, 2003 | 13 km SSW of Kéfalos, Greece | M5.3 | 36 km | 155 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
12 tsunamis recorded within 500 km. Highest wave on record: 20.0 m (66 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1956 | CYCLADES | Eruption + Earthquake | 20.0 m | 56 | 97 km |
| 1956 | AMORGOS ISLAND, AEGEAN ISLANDS | Earthquake | 10.0 m | — | 133 km |
| 1948 | DODECANESE, KARPATHOS IS. | Earthquake | 7.3 m | — | 147 km |
| 2020 | AEGEAN SEA | Earthquake | 5.3 m | 118 | 107 km |
| 2002 | DODECANESE ISLANDS | Unknown | 4.0 m | — | 122 km |
| 1481 | ISLAND OF RHODES | Earthquake | 3.0 m | — | 139 km |
| 2017 | GULF OF GÖKOVA | Earthquake | 1.9 m | 2 | 38 km |
| 1968 | ISLAND OF KOS | Eruption + Earthquake | 1.2 m | — | 48 km |
| 1870 | ALEXANDRIA | Earthquake | — | — | 138 km |
| 558 | DODECANESE ISLANDS | Earthquake | — | — | 66 km |
| 554 | ISLAND OF KOS | Earthquake | — | — | 33 km |
| 142 | DODECANESE ISLANDS | Earthquake | — | — | 95 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Nisyros (43 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Nisyros | Stratovolcano | 698 m (2,290 ft) | 1888 | 43 km |
| Santorini | Shield(s) | 367 m (1,204 ft) | 1950 | 154 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 6.0 in | Coldest, Wettest |
| February | 51°F (10°C) | 4.6 in | |
| March | 54°F (12°C) | 3.2 in | |
| April | 60°F (16°C) | 1.5 in | |
| May | 68°F (20°C) | 0.7 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 | 75°F (24°C) | 0.5 in | |
| October | 67°F (19°C) | 1.9 in | |
| November | 59°F (15°C) | 3.3 in | |
| December | 53°F (12°C) | 5.9 in |
Kálymnos has a seasonal temperature swing of 31°F / from 50°F in January to 81°F in July. Total annual precipitation is 27.9 inches, with January being the wettest month (6.0") and July the driest (0.0").