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Monthly climate in Thessaloniki, Greece

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Thessaloniki features a humid subtropical climate (Cfa).Temperatures typically range between 4 °C (39 °F) and 26 °C (80 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 778 mm (30.6 inches) and receives 102 rainy days on the 1 mm (0.04 inches) threshold annually.Thessaloniki enjoys an average of 3757 hours of sunshine throughout the year, and daylight varies from 9 hours 17 minutes to 15 hours 2 minutes per day.

Monthly average temperatures in Thessaloniki, Greece §

The warmest months in Thessaloniki are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (74 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 7 °C (39 - 46 °F) throughout the day. On average each year, Thessaloniki experiences 114 days above 25 °C (77.0 °F) and 25 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Thessaloniki, Greece.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 18°C
(65°F)		 20°C
(68°F)		 25°C
(77°F)		 29°C
(85°F)		 33°C
(91°F)		 38°C
(101°F)		 39°C
(102°F)		 40°C
(105°F)		 35°C
(95°F)		 29°C
(85°F)		 24°C
(76°F)		 18°C
(65°F)
Mean maximum 14°C
(58°F)		 18°C
(65°F)		 22°C
(72°F)		 26°C
(78°F)		 31°C
(88°F)		 34°C
(93°F)		 36°C
(98°F)		 37°C
(100°F)		 33°C
(92°F)		 26°C
(80°F)		 21°C
(71°F)		 17°C
(63°F)
Average high 8°C
(47°F)		 12°C
(54°F)		 15°C
(59°F)		 19°C
(67°F)		 25°C
(77°F)		 29°C
(84°F)		 32°C
(89°F)		 32°C
(91°F)		 28°C
(83°F)		 22°C
(71°F)		 16°C
(61°F)		 11°C
(51°F)
Daily mean 4°C
(39°F)		 7°C
(46°F)		 10°C
(50°F)		 14°C
(57°F)		 19°C
(67°F)		 23°C
(74°F)		 26°C
(79°F)		 26°C
(80°F)		 22°C
(72°F)		 16°C
(61°F)		 12°C
(53°F)		 7°C
(45°F)
Average low 0°C
(33°F)		 3°C
(38°F)		 5°C
(42°F)		 9°C
(49°F)		 14°C
(58°F)		 18°C
(65°F)		 21°C
(69°F)		 21°C
(70°F)		 17°C
(63°F)		 12°C
(53°F)		 8°C
(47°F)		 4°C
(39°F)
Mean minimum -7°C
(20°F)		 -2°C
(28°F)		 -0°C
(32°F)		 4°C
(39°F)		 10°C
(50°F)		 14°C
(58°F)		 17°C
(63°F)		 17°C
(64°F)		 10°C
(51°F)		 6°C
(43°F)		 2°C
(36°F)		 -2°C
(29°F)
Minimum -10°C
(14°F)		 -5°C
(23°F)		 -3°C
(27°F)		 1°C
(34°F)		 8°C
(47°F)		 12°C
(54°F)		 16°C
(61°F)		 15°C
(60°F)		 8°C
(46°F)		 4°C
(40°F)		 -2°C
(28°F)		 -6°C
(22°F)

Compare climate in Thessaloniki with other places

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

Monthly average precipitation in Thessaloniki, Greece §

Thessaloniki usually has the most precipitation in March, June and December, with an average of 11 rainy days and 89 mm (3.5 inches) of precipitation per month.The driest months in Thessaloniki are February, August and September. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Thessaloniki, Greece.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 58 (2.3) 46 (1.8) 84 (3.3) 57 (2.2) 77 (3.0) 100 (3.9) 52 (2.1) 50 (2.0) 27 (1.1) 62 (2.5) 80 (3.2) 83 (3.3)
Average precipitation days (≥ 1 mm) 8 8 12 9 10 13 7 5 5 6 10 9

Monthly sunshine hours in Thessaloniki, Greece §

The sunniest months in Thessaloniki are May, June and July, when the sun shines an average of 13 hours 16 minutes a day.Least sunny months in Thessaloniki: January, November and December receive an average of 6 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Thessaloniki, Greece.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 187 230 300 336 396 401 423 395 345 291 226 221
Mean daily daylight hours 9h 36m 10h 38m 11h 57m 13h 18m 14h 27m 15h 2m 14h 44m 13h 43m 12h 25m 11h 4m 9h 53m 9h 17m

Solar UV radiation in Thessaloniki, Greece §

Thessaloniki 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 Thessaloniki UV Index data.

Average daily maximum UV levels by month for Thessaloniki, Greece.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 6 7 9 10 9 9 7 6 4 2