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Monthly climate in Megalopoli, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Megalopoli features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 4 °C (40 °F) and 25 °C (77 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 650 mm (25.6 inches) and receives 89 rainy days on the 1 mm (0.04 inches) threshold annually. Megalopoli enjoys an average of 3863 hours of sunshine throughout the year, and daylight varies from 9 hours 36 minutes to 14 hours 41 minutes per day.

Monthly average temperatures in Megalopoli, Greece

The warmest months in Megalopoli are July, August and September, with daily mean temperatures ranging from 20 to 25 °C (69 - 77 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (40 - 44 °F) throughout the day. On average each year, Megalopoli experiences 95 days above 25 °C (77.0 °F) and 38 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Megalopoli. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(70°F)		18°C
(65°F)		23°C
(74°F)		25°C
(77°F)		37°C
(99°F)		35°C
(95°F)		38°C
(101°F)		40°C
(104°F)		35°C
(96°F)		30°C
(87°F)		25°C
(78°F)		16°C
(62°F)
Mean maximum15°C
(59°F)		17°C
(63°F)		20°C
(67°F)		24°C
(76°F)		30°C
(86°F)		32°C
(90°F)		36°C
(96°F)		36°C
(96°F)		33°C
(91°F)		27°C
(80°F)		22°C
(72°F)		15°C
(60°F)
Average high9°C
(49°F)		11°C
(53°F)		13°C
(56°F)		17°C
(64°F)		23°C
(73°F)		26°C
(80°F)		30°C
(87°F)		31°C
(88°F)		27°C
(81°F)		21°C
(70°F)		16°C
(61°F)		11°C
(52°F)
Daily mean4°C
(40°F)		6°C
(43°F)		8°C
(46°F)		11°C
(53°F)		16°C
(62°F)		20°C
(69°F)		24°C
(75°F)		25°C
(77°F)		20°C
(69°F)		15°C
(59°F)		11°C
(52°F)		7°C
(44°F)
Average low0°C
(33°F)		2°C
(35°F)		3°C
(37°F)		5°C
(42°F)		10°C
(51°F)		14°C
(57°F)		17°C
(63°F)		18°C
(65°F)		14°C
(58°F)		10°C
(49°F)		7°C
(44°F)		3°C
(37°F)
Mean minimum-7°C
(19°F)		-4°C
(25°F)		-3°C
(27°F)		0°C
(32°F)		5°C
(42°F)		9°C
(49°F)		14°C
(58°F)		15°C
(60°F)		9°C
(49°F)		5°C
(41°F)		1°C
(34°F)		-3°C
(27°F)
Minimum-11°C
(12°F)		-7°C
(19°F)		-5°C
(23°F)		-2°C
(29°F)		3°C
(38°F)		6°C
(43°F)		13°C
(56°F)		15°C
(59°F)		7°C
(45°F)		4°C
(39°F)		-2°C
(28°F)		-6°C
(21°F)

Compare climate in Megalopoli with other places

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

Monthly average precipitation in Megalopoli, Greece

Megalopoli usually has the most precipitation in January, November and December, with an average of 11 rainy days and 90 mm (3.6 inches) of precipitation per month. The driest months in Megalopoli are May, July and August. On average, 19 mm (0.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Megalopoli. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)89 (3.5)72 (2.8)71 (2.8)43 (1.7)27 (1.1)47 (1.8)22 (0.9)9 (0.4)44 (1.7)44 (1.7)80 (3.1)103 (4.1)
Average precipitation days (≥ 1 mm)1291186722471011

Monthly sunshine hours in Megalopoli, Greece

The sunniest months in Megalopoli are May, June and July, when the sun shines an average of 13 hours 14 minutes a day. Least sunny months in Megalopoli: January, February and December receive an average of 7 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Megalopoli. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours200250322338395404418392340308250239
Mean daily daylight hours9h 53m10h 48m11h 58m13h 10m14h 10m14h 41m14h 25m13h 31m12h 22m11h 11m10h 9m9h 36m

Solar UV radiation in Megalopoli, Greece

Megalopoli experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / 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 Megalopoli UV Index data.

Average daily maximum UV levels by month for Megalopoli. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3579101110109743