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Monthly climate in Chalkeio, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chalkeio 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 (35 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 527 mm (20.8 inches) and receives 62 rainy days on the 1 mm (0.04 inches) threshold annually. Chalkeio enjoys an average of 3999 hours of sunshine throughout the year, and daylight varies from 9 hours 31 minutes to 14 hours 46 minutes per day.

Monthly average temperatures in Chalkeio, Greece

The warmest months in Chalkeio are June, July and August, 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, Chalkeio experiences 105 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 Chalkeio. 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
(68°F)		27°C
(81°F)		31°C
(88°F)		33°C
(92°F)		35°C
(96°F)		35°C
(94°F)		32°C
(90°F)		28°C
(83°F)		25°C
(77°F)		20°C
(69°F)
Mean maximum18°C
(64°F)		18°C
(65°F)		19°C
(67°F)		23°C
(74°F)		28°C
(83°F)		30°C
(87°F)		33°C
(92°F)		33°C
(92°F)		30°C
(87°F)		26°C
(78°F)		22°C
(73°F)		19°C
(67°F)
Average high13°C
(56°F)		14°C
(58°F)		15°C
(60°F)		19°C
(66°F)		23°C
(75°F)		27°C
(81°F)		30°C
(86°F)		30°C
(87°F)		27°C
(81°F)		23°C
(73°F)		19°C
(66°F)		15°C
(60°F)
Daily mean11°C
(52°F)		12°C
(55°F)		13°C
(56°F)		16°C
(61°F)		20°C
(69°F)		24°C
(76°F)		27°C
(81°F)		27°C
(81°F)		24°C
(76°F)		20°C
(68°F)		17°C
(62°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
(75°F)		24°C
(76°F)		21°C
(71°F)		18°C
(64°F)		15°C
(59°F)		12°C
(54°F)
Mean minimum4°C
(39°F)		5°C
(42°F)		6°C
(44°F)		10°C
(50°F)		14°C
(58°F)		17°C
(64°F)		21°C
(70°F)		21°C
(71°F)		18°C
(64°F)		14°C
(57°F)		11°C
(52°F)		7°C
(45°F)
Minimum1°C
(35°F)		3°C
(37°F)		2°C
(37°F)		9°C
(48°F)		12°C
(55°F)		15°C
(60°F)		20°C
(69°F)		21°C
(70°F)		16°C
(61°F)		10°C
(51°F)		7°C
(46°F)		4°C
(40°F)

Compare climate in Chalkeio with other places

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

Monthly average precipitation in Chalkeio, Greece

Chalkeio usually has the most precipitation in January, February and December, with an average of 11 rainy days and 102 mm (4.0 inches) of precipitation per month. The driest months in Chalkeio are July, August and September. On average, 2 mm (0.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chalkeio. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)118 (4.6)71 (2.8)58 (2.3)33 (1.3)11 (0.4)7 (0.3)0 (0.0)1 (0.0)4 (0.2)39 (1.5)67 (2.6)118 (4.6)
Average precipitation days (≥ 1 mm)12885210014813

Monthly sunshine hours in Chalkeio, Greece

The sunniest months in Chalkeio are May, June and July, when the sun shines an average of 13 hours 32 minutes a day. Least sunny months in Chalkeio: January, February and December receive an average of 7 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chalkeio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours202263334352403414428399350325269254
Mean daily daylight hours9h 49m10h 45m11h 58m13h 12m14h 15m14h 46m14h 30m13h 34m12h 23m11h 9m10h 4m9h 31m

Solar UV radiation in Chalkeio, Greece

Chalkeio 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 Chalkeio UV Index data.

Average daily maximum UV levels by month for Chalkeio. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)347891010108643