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Monthly climate in Patmos, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Patmos features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 13 °C (56 °F) and 25 °C (78 °F) through the year, but rarely can drop to 5 °C (42 °F) or can rise to as high as 30 °C (85 °F). The average annual precipitation amounts to about 554 mm (21.8 inches) and receives 59 rainy days on the 1 mm (0.04 inches) threshold annually. Patmos enjoys an average of 4029 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 40 minutes per day.

Monthly average temperatures in Patmos, Greece

The warmest months in Patmos are July, August and September, with daily mean temperatures ranging from 24 to 25 °C (75 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 13 to 14 °C (56 - 58 °F) throughout the day. On average each year, Patmos experiences 58 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 Patmos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum19°C
(67°F)		19°C
(66°F)		18°C
(65°F)		21°C
(70°F)		24°C
(76°F)		27°C
(81°F)		29°C
(84°F)		30°C
(85°F)		28°C
(83°F)		26°C
(78°F)		23°C
(74°F)		21°C
(70°F)
Mean maximum18°C
(64°F)		17°C
(63°F)		17°C
(63°F)		19°C
(67°F)		23°C
(74°F)		26°C
(79°F)		28°C
(82°F)		28°C
(83°F)		27°C
(80°F)		24°C
(75°F)		22°C
(71°F)		19°C
(67°F)
Average high14°C
(58°F)		15°C
(59°F)		15°C
(60°F)		17°C
(63°F)		20°C
(69°F)		24°C
(75°F)		26°C
(79°F)		26°C
(80°F)		25°C
(77°F)		22°C
(71°F)		19°C
(67°F)		16°C
(62°F)
Daily mean13°C
(56°F)		14°C
(57°F)		14°C
(58°F)		16°C
(62°F)		19°C
(67°F)		23°C
(73°F)		25°C
(77°F)		25°C
(78°F)		24°C
(75°F)		21°C
(70°F)		18°C
(65°F)		15°C
(60°F)
Average low12°C
(54°F)		13°C
(56°F)		13°C
(56°F)		15°C
(60°F)		19°C
(66°F)		22°C
(72°F)		24°C
(76°F)		24°C
(76°F)		23°C
(74°F)		20°C
(69°F)		18°C
(64°F)		14°C
(58°F)
Mean minimum7°C
(45°F)		9°C
(48°F)		9°C
(49°F)		12°C
(55°F)		17°C
(62°F)		19°C
(67°F)		22°C
(73°F)		23°C
(74°F)		20°C
(69°F)		17°C
(63°F)		14°C
(58°F)		10°C
(51°F)
Minimum5°C
(42°F)		5°C
(42°F)		5°C
(42°F)		10°C
(51°F)		15°C
(59°F)		17°C
(63°F)		22°C
(71°F)		22°C
(72°F)		19°C
(66°F)		15°C
(59°F)		12°C
(55°F)		8°C
(47°F)

Compare climate in Patmos with other places

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

Monthly average precipitation in Patmos, Greece

Patmos usually has the most precipitation in January, February and December, with an average of 11 rainy days and 119 mm (4.7 inches) of precipitation per month. The driest months in Patmos are June, July and August. On average, 1 mm (0.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Patmos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)127 (5.0)80 (3.2)60 (2.3)26 (1.0)4 (0.1)3 (0.1)0 (0.0)0 (0.0)4 (0.2)31 (1.2)67 (2.6)151 (6.0)
Average precipitation days (≥ 1 mm)12883110003815

Monthly sunshine hours in Patmos, Greece

The sunniest months in Patmos are May, June and July, when the sun shines an average of 13 hours 29 minutes a day. Least sunny months in Patmos: January, February and December receive an average of 8 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Patmos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours212270333353403413425396350326277265
Mean daily daylight hours9h 54m10h 48m11h 58m13h 10m14h 10m14h 40m14h 24m13h 31m12h 22m11h 11m10h 9m9h 37m

Solar UV radiation in Patmos, Greece

Patmos experiences the highest level of ultraviolet (UV) radiation in May, 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, 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 Patmos UV Index data.

Average daily maximum UV levels by month for Patmos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3579101010108743