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Monthly climate in Thermo, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Thermo features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 6 °C (44 °F) and 25 °C (78 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1102 mm (43.4 inches) and receives 115 rainy days on the 1 mm (0.04 inches) threshold annually. Thermo enjoys an average of 3914 hours of sunshine throughout the year, and daylight varies from 9 hours 31 minutes to 14 hours 47 minutes per day.

Monthly average temperatures in Thermo, Greece

The warmest months in Thermo are July, August and September, with daily mean temperatures ranging from 21 to 25 °C (71 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 9 °C (44 - 48 °F) throughout the day. On average each year, Thermo experiences 90 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Thermo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum21°C
(69°F)		20°C
(68°F)		23°C
(73°F)		27°C
(81°F)		35°C
(94°F)		34°C
(93°F)		37°C
(99°F)		38°C
(101°F)		34°C
(94°F)		30°C
(87°F)		26°C
(79°F)		17°C
(63°F)
Mean maximum15°C
(59°F)		17°C
(63°F)		20°C
(68°F)		23°C
(75°F)		29°C
(84°F)		31°C
(88°F)		34°C
(94°F)		35°C
(95°F)		32°C
(90°F)		27°C
(81°F)		22°C
(72°F)		16°C
(60°F)
Average high10°C
(50°F)		12°C
(54°F)		13°C
(56°F)		17°C
(63°F)		22°C
(71°F)		26°C
(78°F)		30°C
(86°F)		31°C
(88°F)		26°C
(80°F)		21°C
(70°F)		17°C
(62°F)		12°C
(53°F)
Daily mean6°C
(44°F)		8°C
(47°F)		9°C
(49°F)		13°C
(55°F)		17°C
(63°F)		21°C
(70°F)		25°C
(77°F)		25°C
(78°F)		21°C
(71°F)		16°C
(62°F)		13°C
(55°F)		9°C
(48°F)
Average low3°C
(38°F)		5°C
(41°F)		6°C
(42°F)		8°C
(47°F)		13°C
(55°F)		16°C
(62°F)		20°C
(68°F)		20°C
(69°F)		17°C
(63°F)		13°C
(55°F)		10°C
(50°F)		6°C
(43°F)
Mean minimum-3°C
(26°F)		0°C
(33°F)		1°C
(34°F)		4°C
(40°F)		9°C
(48°F)		12°C
(54°F)		17°C
(62°F)		18°C
(64°F)		12°C
(55°F)		8°C
(47°F)		5°C
(42°F)		2°C
(36°F)
Minimum-6°C
(21°F)		-4°C
(25°F)		-2°C
(29°F)		2°C
(36°F)		7°C
(45°F)		10°C
(50°F)		16°C
(61°F)		17°C
(62°F)		10°C
(51°F)		6°C
(43°F)		3°C
(38°F)		-1°C
(31°F)

Compare climate in Thermo with other places

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

Monthly average precipitation in Thermo, Greece

Thermo usually has the most precipitation in January, November and December, with an average of 12 rainy days and 171 mm (6.7 inches) of precipitation per month. The driest months in Thermo are July, August and September. On average, 34 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Thermo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)164 (6.5)123 (4.9)104 (4.1)60 (2.4)52 (2.0)65 (2.5)35 (1.4)24 (0.9)44 (1.7)81 (3.2)138 (5.4)212 (8.4)
Average precipitation days (≥ 1 mm)13111310101254481015

Monthly sunshine hours in Thermo, Greece

The sunniest months in Thermo are May, June and July, when the sun shines an average of 13 hours 18 minutes a day. Least sunny months in Thermo: January, February and December receive an average of 7 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Thermo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours203259327342396407420394346310260244
Mean daily daylight hours9h 48m10h 45m11h 58m13h 12m14h 15m14h 47m14h 30m13h 35m12h 23m11h 9m10h 4m9h 31m

Solar UV radiation in Thermo, Greece

Thermo 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 Thermo UV Index data.

Average daily maximum UV levels by month for Thermo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3568101110108643