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Monthly climate in Olynthos, Greece

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Olynthos features a humid subtropical climate (Cfa). Temperatures typically range between 8 °C (46 °F) and 27 °C (80 °F) through the year, but rarely can drop to -5 °C (24 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 668 mm (26.3 inches) and receives 85 rainy days on the 1 mm (0.04 inches) threshold annually. Olynthos enjoys an average of 3849 hours of sunshine throughout the year, and daylight varies from 9 hours 20 minutes to 14 hours 59 minutes per day.

Monthly average temperatures in Olynthos, Greece

The warmest months in Olynthos are July, August and September, with daily mean temperatures ranging from 23 to 27 °C (74 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 8 to 11 °C (46 - 51 °F) throughout the day. On average each year, Olynthos experiences 88 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Olynthos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(65°F)		18°C
(65°F)		20°C
(69°F)		25°C
(77°F)		28°C
(82°F)		32°C
(89°F)		34°C
(93°F)		36°C
(98°F)		31°C
(88°F)		26°C
(80°F)		22°C
(72°F)		18°C
(65°F)
Mean maximum15°C
(59°F)		17°C
(62°F)		19°C
(66°F)		21°C
(70°F)		26°C
(80°F)		30°C
(86°F)		32°C
(90°F)		33°C
(92°F)		30°C
(86°F)		24°C
(76°F)		20°C
(69°F)		17°C
(63°F)
Average high10°C
(50°F)		12°C
(54°F)		14°C
(57°F)		17°C
(63°F)		22°C
(72°F)		26°C
(79°F)		29°C
(84°F)		30°C
(86°F)		26°C
(79°F)		21°C
(70°F)		17°C
(62°F)		13°C
(55°F)
Daily mean8°C
(46°F)		10°C
(50°F)		11°C
(52°F)		14°C
(58°F)		19°C
(67°F)		23°C
(74°F)		26°C
(79°F)		27°C
(80°F)		23°C
(74°F)		18°C
(65°F)		14°C
(58°F)		11°C
(51°F)
Average low5°C
(42°F)		7°C
(45°F)		8°C
(47°F)		11°C
(52°F)		16°C
(61°F)		20°C
(69°F)		23°C
(74°F)		24°C
(75°F)		20°C
(69°F)		16°C
(60°F)		12°C
(54°F)		8°C
(48°F)
Mean minimum-0°C
(31°F)		2°C
(37°F)		4°C
(40°F)		7°C
(45°F)		13°C
(55°F)		17°C
(62°F)		21°C
(69°F)		21°C
(71°F)		16°C
(61°F)		12°C
(54°F)		8°C
(47°F)		4°C
(39°F)
Minimum-5°C
(24°F)		0°C
(33°F)		1°C
(34°F)		4°C
(40°F)		11°C
(53°F)		14°C
(58°F)		19°C
(67°F)		20°C
(68°F)		14°C
(58°F)		10°C
(50°F)		6°C
(42°F)		2°C
(36°F)

Compare climate in Olynthos with other places

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

Monthly average precipitation in Olynthos, Greece

Olynthos usually has the most precipitation in March, November and December, with an average of 10 rainy days and 80 mm (3.2 inches) of precipitation per month. The driest months in Olynthos are July, August and September. On average, 31 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Olynthos. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)62 (2.4)54 (2.1)78 (3.1)50 (2.0)46 (1.8)51 (2.0)41 (1.6)24 (0.9)27 (1.1)73 (2.9)82 (3.2)80 (3.1)
Average precipitation days (≥ 1 mm)871167854361010

Monthly sunshine hours in Olynthos, Greece

The sunniest months in Olynthos are May, June and July, when the sun shines an average of 13 hours 25 minutes a day. Least sunny months in Olynthos: January, February and December receive an average of 7 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Olynthos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours190236312344402407425395348301248235
Mean daily daylight hours9h 39m10h 39m11h 57m13h 17m14h 25m14h 59m14h 41m13h 41m12h 24m11h 5m9h 56m9h 20m

Solar UV radiation in Olynthos, Greece

Olynthos 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 Olynthos UV Index data.

Average daily maximum UV levels by month for Olynthos. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)3468910998642