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Monthly climate in Kea, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kea features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 11 °C (52 °F) and 27 °C (81 °F) through the year, but rarely can drop to 1 °C (34 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 366 mm (14.4 inches) and receives 47 rainy days on the 1 mm (0.04 inches) threshold annually. Kea enjoys an average of 3992 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Kea, Greece

The warmest months in Kea are July, August and September, with daily mean temperatures ranging from 24 to 27 °C (76 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 11 to 13 °C (52 - 56 °F) throughout the day. On average each year, Kea experiences 92 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kea. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum20°C
(69°F)		18°C
(65°F)		20°C
(69°F)		23°C
(75°F)		30°C
(85°F)		31°C
(89°F)		37°C
(99°F)		35°C
(95°F)		32°C
(90°F)		27°C
(82°F)		23°C
(74°F)		20°C
(67°F)
Mean maximum17°C
(62°F)		17°C
(63°F)		19°C
(67°F)		22°C
(71°F)		27°C
(80°F)		29°C
(85°F)		33°C
(91°F)		32°C
(90°F)		30°C
(87°F)		25°C
(77°F)		22°C
(72°F)		19°C
(66°F)
Average high13°C
(55°F)		14°C
(58°F)		15°C
(60°F)		18°C
(65°F)		22°C
(72°F)		26°C
(79°F)		29°C
(84°F)		29°C
(85°F)		26°C
(80°F)		22°C
(72°F)		19°C
(66°F)		15°C
(59°F)
Daily mean11°C
(52°F)		12°C
(54°F)		13°C
(56°F)		16°C
(60°F)		20°C
(68°F)		24°C
(75°F)		27°C
(80°F)		27°C
(81°F)		24°C
(76°F)		20°C
(68°F)		17°C
(63°F)		14°C
(57°F)
Average low9°C
(49°F)		10°C
(51°F)		11°C
(52°F)		13°C
(56°F)		17°C
(63°F)		21°C
(70°F)		24°C
(76°F)		25°C
(77°F)		22°C
(72°F)		18°C
(65°F)		15°C
(60°F)		12°C
(54°F)
Mean minimum4°C
(40°F)		6°C
(43°F)		7°C
(45°F)		10°C
(51°F)		15°C
(58°F)		18°C
(64°F)		22°C
(72°F)		23°C
(73°F)		18°C
(65°F)		15°C
(59°F)		12°C
(53°F)		8°C
(47°F)
Minimum1°C
(34°F)		3°C
(37°F)		3°C
(38°F)		9°C
(48°F)		13°C
(56°F)		16°C
(61°F)		21°C
(71°F)		22°C
(72°F)		18°C
(64°F)		13°C
(56°F)		10°C
(51°F)		6°C
(43°F)

Compare climate in Kea with other places

Compare temperature, precipitation, sunshine, UV index in Kea, Greece with other places around the world.

Monthly average precipitation in Kea, Greece

Kea usually has the most precipitation in January, February and December, with an average of 8 rainy days and 65 mm (2.6 inches) of precipitation per month. The driest months in Kea are May, July and August. On average, 5 mm (0.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kea. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)68 (2.7)46 (1.8)38 (1.5)24 (0.9)13 (0.5)13 (0.5)2 (0.1)1 (0.1)13 (0.5)22 (0.9)45 (1.8)80 (3.2)
Average precipitation days (≥ 1 mm)8743220013710

Monthly sunshine hours in Kea, Greece

The sunniest months in Kea are May, June and July, when the sun shines an average of 13 hours 27 minutes a day. Least sunny months in Kea: January, February and December receive an average of 8 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kea. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours207263334349400412424397348324271258
Mean daily daylight hours9h 52m10h 47m11h 58m13h 10m14h 11m14h 42m14h 26m13h 32m12h 23m11h 10m10h 8m9h 35m

Solar UV radiation in Kea, Greece

Kea experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 10 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Kea UV Index data.

Average daily maximum UV levels by month for Kea. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346891010108743