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Monthly climate in Chalki, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Chalki features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 14 °C (57 °F) and 26 °C (79 °F) through the year, but rarely can drop to 5 °C (41 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 508 mm (20.0 inches) and receives 56 rainy days on the 1 mm (0.04 inches) threshold annually. Chalki enjoys an average of 4029 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 Chalki, Greece

The warmest months in Chalki are July, August and September, with daily mean temperatures ranging from 25 to 26 °C (77 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 14 to 15 °C (57 - 59 °F) throughout the day. On average each year, Chalki experiences 68 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 Chalki. 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)		18°C
(65°F)		22°C
(72°F)		26°C
(80°F)		28°C
(82°F)		30°C
(86°F)		31°C
(88°F)		28°C
(83°F)		26°C
(79°F)		24°C
(75°F)		20°C
(69°F)
Mean maximum17°C
(64°F)		17°C
(63°F)		18°C
(64°F)		20°C
(68°F)		24°C
(75°F)		26°C
(79°F)		28°C
(83°F)		29°C
(84°F)		27°C
(81°F)		25°C
(77°F)		22°C
(72°F)		19°C
(67°F)
Average high15°C
(59°F)		15°C
(60°F)		16°C
(60°F)		17°C
(64°F)		20°C
(69°F)		23°C
(74°F)		26°C
(79°F)		27°C
(81°F)		25°C
(78°F)		23°C
(73°F)		20°C
(68°F)		17°C
(63°F)
Daily mean14°C
(57°F)		15°C
(58°F)		15°C
(59°F)		17°C
(62°F)		20°C
(68°F)		23°C
(73°F)		25°C
(77°F)		26°C
(79°F)		25°C
(77°F)		22°C
(72°F)		19°C
(67°F)		16°C
(61°F)
Average low13°C
(55°F)		14°C
(57°F)		14°C
(57°F)		16°C
(61°F)		19°C
(66°F)		22°C
(72°F)		24°C
(76°F)		25°C
(78°F)		24°C
(76°F)		21°C
(71°F)		19°C
(66°F)		15°C
(60°F)
Mean minimum8°C
(46°F)		10°C
(50°F)		10°C
(51°F)		13°C
(56°F)		17°C
(63°F)		20°C
(68°F)		23°C
(73°F)		24°C
(76°F)		22°C
(72°F)		18°C
(65°F)		15°C
(59°F)		12°C
(53°F)
Minimum5°C
(41°F)		6°C
(43°F)		7°C
(44°F)		11°C
(52°F)		16°C
(61°F)		17°C
(62°F)		22°C
(71°F)		24°C
(75°F)		21°C
(70°F)		16°C
(62°F)		13°C
(56°F)		10°C
(50°F)

Compare climate in Chalki with other places

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

Monthly average precipitation in Chalki, Greece

Chalki usually has the most precipitation in January, November and December, with an average of 11 rainy days and 107 mm (4.2 inches) of precipitation per month. The driest months in Chalki are July, August and September. On average, 0 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Chalki. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)120 (4.7)67 (2.6)63 (2.5)21 (0.8)5 (0.2)3 (0.1)0 (0.0)0 (0.0)1 (0.0)25 (1.0)68 (2.7)135 (5.3)
Average precipitation days (≥ 1 mm)13863100004615

Monthly sunshine hours in Chalki, Greece

The sunniest months in Chalki are May, June and July, when the sun shines an average of 13 hours 22 minutes a day. Least sunny months in Chalki: January, February and December receive an average of 8 hours 21 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Chalki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours219271336354399408422395348325277269
Mean daily daylight hours9h 59m10h 51m11h 58m13h 7m14h 5m14h 34m14h 19m13h 28m12h 22m11h 13m10h 14m9h 43m

Solar UV radiation in Chalki, Greece

Chalki 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 Chalki UV Index data.

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