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Monthly climate in Arethousa, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Arethousa features a humid subtropical climate (Cfa). Temperatures typically range between 4 °C (40 °F) and 28 °C (82 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 744 mm (29.3 inches) and receives 102 rainy days on the 1 mm (0.04 inches) threshold annually. Arethousa enjoys an average of 3780 hours of sunshine throughout the year, and daylight varies from 9 hours 18 minutes to 15 hours 1 minutes per day.

Monthly average temperatures in Arethousa, Greece

The warmest months in Arethousa are June, July and August, with daily mean temperatures ranging from 24 to 28 °C (75 - 82 °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 - 46 °F) throughout the day. On average each year, Arethousa experiences 124 days above 25 °C (77.0 °F) and 28 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Arethousa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(66°F)		20°C
(69°F)		25°C
(78°F)		30°C
(87°F)		34°C
(93°F)		39°C
(103°F)		41°C
(105°F)		41°C
(106°F)		37°C
(99°F)		30°C
(87°F)		26°C
(79°F)		19°C
(66°F)
Mean maximum15°C
(59°F)		19°C
(66°F)		22°C
(72°F)		27°C
(80°F)		32°C
(89°F)		35°C
(96°F)		38°C
(101°F)		39°C
(102°F)		35°C
(95°F)		27°C
(82°F)		22°C
(72°F)		17°C
(64°F)
Average high9°C
(48°F)		12°C
(55°F)		15°C
(60°F)		20°C
(68°F)		25°C
(78°F)		29°C
(85°F)		33°C
(92°F)		34°C
(94°F)		29°C
(85°F)		23°C
(73°F)		16°C
(62°F)		11°C
(52°F)
Daily mean4°C
(40°F)		7°C
(46°F)		10°C
(50°F)		14°C
(58°F)		20°C
(68°F)		24°C
(75°F)		27°C
(81°F)		28°C
(82°F)		23°C
(74°F)		17°C
(62°F)		12°C
(54°F)		7°C
(45°F)
Average low0°C
(33°F)		3°C
(37°F)		5°C
(41°F)		8°C
(47°F)		14°C
(57°F)		18°C
(64°F)		21°C
(70°F)		21°C
(71°F)		17°C
(63°F)		11°C
(53°F)		8°C
(47°F)		4°C
(39°F)
Mean minimum-7°C
(20°F)		-3°C
(27°F)		-1°C
(31°F)		3°C
(38°F)		9°C
(49°F)		14°C
(57°F)		17°C
(63°F)		18°C
(64°F)		10°C
(50°F)		6°C
(43°F)		2°C
(35°F)		-2°C
(28°F)
Minimum-11°C
(12°F)		-6°C
(22°F)		-4°C
(25°F)		-1°C
(31°F)		7°C
(46°F)		11°C
(52°F)		16°C
(62°F)		15°C
(60°F)		7°C
(45°F)		3°C
(39°F)		-4°C
(25°F)		-6°C
(21°F)

Compare climate in Arethousa with other places

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

Monthly average precipitation in Arethousa, Greece

Arethousa usually has the most precipitation in March, November and December, with an average of 10 rainy days and 90 mm (3.6 inches) of precipitation per month. The driest months in Arethousa are July, August and September. On average, 32 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Arethousa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)60 (2.4)47 (1.8)90 (3.6)58 (2.3)61 (2.4)79 (3.1)45 (1.8)30 (1.2)21 (0.8)72 (2.8)89 (3.5)91 (3.6)
Average precipitation days (≥ 1 mm)9812991276461010

Monthly sunshine hours in Arethousa, Greece

The sunniest months in Arethousa are May, June and July, when the sun shines an average of 13 hours 20 minutes a day. Least sunny months in Arethousa: January, February and December receive an average of 7 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Arethousa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours186233301338397405424396347292233222
Mean daily daylight hours9h 37m10h 38m11h 57m13h 18m14h 26m15h 1m14h 43m13h 42m12h 25m11h 4m9h 54m9h 18m

Solar UV radiation in Arethousa, Greece

Arethousa experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / 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 Arethousa UV Index data.

Average daily maximum UV levels by month for Arethousa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3468910997642