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Monthly climate in Skyros, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Skyros features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 11 °C (53 °F) and 25 °C (78 °F) through the year, but rarely can drop to 2 °C (36 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 535 mm (21.1 inches) and receives 67 rainy days on the 1 mm (0.04 inches) threshold annually. Skyros enjoys an average of 3925 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 50 minutes per day.

Monthly average temperatures in Skyros, Greece

The warmest months in Skyros are July, August and September, with daily mean temperatures ranging from 23 to 25 °C (74 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 11 to 13 °C (53 - 55 °F) throughout the day. On average each year, Skyros experiences 54 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 Skyros. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		18°C
(64°F)		17°C
(63°F)		21°C
(69°F)		23°C
(74°F)		28°C
(83°F)		30°C
(87°F)		32°C
(90°F)		28°C
(82°F)		25°C
(78°F)		21°C
(71°F)		19°C
(66°F)
Mean maximum16°C
(62°F)		16°C
(61°F)		16°C
(62°F)		18°C
(65°F)		22°C
(73°F)		26°C
(79°F)		29°C
(84°F)		28°C
(83°F)		26°C
(80°F)		23°C
(74°F)		20°C
(68°F)		18°C
(64°F)
Average high12°C
(55°F)		13°C
(56°F)		14°C
(57°F)		16°C
(60°F)		19°C
(67°F)		23°C
(74°F)		26°C
(79°F)		26°C
(80°F)		24°C
(76°F)		20°C
(69°F)		17°C
(63°F)		15°C
(58°F)
Daily mean11°C
(53°F)		12°C
(54°F)		13°C
(55°F)		15°C
(58°F)		18°C
(65°F)		23°C
(73°F)		25°C
(77°F)		25°C
(78°F)		23°C
(74°F)		19°C
(67°F)		16°C
(62°F)		14°C
(57°F)
Average low10°C
(51°F)		11°C
(53°F)		12°C
(54°F)		14°C
(57°F)		18°C
(64°F)		22°C
(72°F)		24°C
(76°F)		25°C
(77°F)		22°C
(73°F)		19°C
(66°F)		16°C
(61°F)		13°C
(55°F)
Mean minimum4°C
(40°F)		6°C
(43°F)		7°C
(45°F)		10°C
(51°F)		15°C
(59°F)		19°C
(66°F)		22°C
(72°F)		23°C
(73°F)		18°C
(65°F)		16°C
(61°F)		12°C
(54°F)		9°C
(48°F)
Minimum2°C
(36°F)		5°C
(41°F)		3°C
(38°F)		9°C
(48°F)		14°C
(57°F)		17°C
(63°F)		21°C
(70°F)		21°C
(70°F)		17°C
(63°F)		14°C
(58°F)		9°C
(49°F)		8°C
(46°F)

Compare climate in Skyros with other places

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

Monthly average precipitation in Skyros, Greece

Skyros usually has the most precipitation in January, February and December, with an average of 11 rainy days and 94 mm (3.7 inches) of precipitation per month. The driest months in Skyros are June, July and August. On average, 7 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Skyros. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)111 (4.4)73 (2.9)52 (2.0)40 (1.6)19 (0.7)8 (0.3)6 (0.3)7 (0.3)17 (0.7)48 (1.9)54 (2.1)99 (3.9)
Average precipitation days (≥ 1 mm)11975312125813

Monthly sunshine hours in Skyros, Greece

The sunniest months in Skyros are May, June and July, when the sun shines an average of 13 hours 31 minutes a day. Least sunny months in Skyros: January, February and December receive an average of 7 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Skyros. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours190250324344402413428399348314261246
Mean daily daylight hours9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 8m10h 2m9h 28m

Solar UV radiation in Skyros, Greece

Skyros 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 Skyros UV Index data.

Average daily maximum UV levels by month for Skyros. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)346891010108643