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Monthly climate in Megisti, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Megisti features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 9 °C (49 °F) and 27 °C (80 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 739 mm (29.1 inches) and receives 82 rainy days on the 1 mm (0.04 inches) threshold annually. Megisti enjoys an average of 3995 hours of sunshine throughout the year, and daylight varies from 9 hours 43 minutes to 14 hours 34 minutes per day.

Monthly average temperatures in Megisti, Greece

The warmest months in Megisti are July, August and September, with daily mean temperatures ranging from 24 to 27 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 9 to 11 °C (49 - 53 °F) throughout the day. On average each year, Megisti experiences 95 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 Megisti. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		19°C
(67°F)		19°C
(67°F)		24°C
(75°F)		33°C
(92°F)		32°C
(89°F)		36°C
(97°F)		35°C
(94°F)		32°C
(89°F)		29°C
(85°F)		24°C
(76°F)		19°C
(66°F)
Mean maximum15°C
(59°F)		17°C
(62°F)		18°C
(64°F)		22°C
(72°F)		28°C
(83°F)		29°C
(84°F)		32°C
(90°F)		32°C
(89°F)		30°C
(86°F)		27°C
(81°F)		23°C
(73°F)		17°C
(64°F)
Average high12°C
(53°F)		13°C
(56°F)		14°C
(58°F)		18°C
(64°F)		22°C
(73°F)		25°C
(77°F)		29°C
(85°F)		29°C
(85°F)		27°C
(81°F)		23°C
(74°F)		19°C
(66°F)		14°C
(58°F)
Daily mean9°C
(49°F)		11°C
(51°F)		11°C
(53°F)		15°C
(59°F)		19°C
(67°F)		22°C
(72°F)		26°C
(80°F)		27°C
(80°F)		24°C
(76°F)		20°C
(68°F)		16°C
(60°F)		12°C
(53°F)
Average low7°C
(45°F)		8°C
(47°F)		9°C
(48°F)		12°C
(54°F)		16°C
(61°F)		19°C
(67°F)		23°C
(74°F)		24°C
(75°F)		21°C
(71°F)		17°C
(63°F)		13°C
(56°F)		10°C
(50°F)
Mean minimum2°C
(36°F)		5°C
(40°F)		5°C
(41°F)		8°C
(47°F)		13°C
(56°F)		16°C
(60°F)		20°C
(69°F)		22°C
(72°F)		19°C
(66°F)		13°C
(56°F)		10°C
(50°F)		6°C
(44°F)
Minimum-0°C
(32°F)		2°C
(36°F)		0°C
(33°F)		6°C
(43°F)		11°C
(52°F)		14°C
(57°F)		19°C
(67°F)		22°C
(71°F)		17°C
(63°F)		10°C
(50°F)		7°C
(45°F)		4°C
(40°F)

Compare climate in Megisti with other places

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

Monthly average precipitation in Megisti, Greece

Megisti usually has the most precipitation in January, March and December, with an average of 12 rainy days and 146 mm (5.8 inches) of precipitation per month. The driest months in Megisti are July, August and September. On average, 9 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Megisti. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)169 (6.7)81 (3.2)89 (3.5)41 (1.6)20 (0.8)19 (0.8)3 (0.1)13 (0.5)10 (0.4)45 (1.8)68 (2.7)180 (7.1)
Average precipitation days (≥ 1 mm)141196540326715

Monthly sunshine hours in Megisti, Greece

The sunniest months in Megisti are May, June and July, when the sun shines an average of 13 hours 20 minutes a day. Least sunny months in Megisti: January, February and December receive an average of 8 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Megisti. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours205269332355402405418397348323274260
Mean daily daylight hours9h 59m10h 51m11h 58m13h 7m14h 5m14h 34m14h 19m13h 28m12h 22m11h 13m10h 13m9h 43m

Solar UV radiation in Megisti, Greece

Megisti experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure. January, November 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 Megisti UV Index data.

Average daily maximum UV levels by month for Megisti. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3589101111119743