Thessaloníki Weather & Climate: Best Time to Visit
Thessaloniki has a warm Mediterranean climate, but it’s a bit cooler than the more southern parts of Greece. Winters are cool and very wet, with January being the coldest month at around 10°C (50°F), so it’s not the best choice for a winter sun destination. Summers, on the other hand, are warm and pleasant, with August being the hottest month, reaching an average of 32°C (90°F). The months of May, June, September, and October offer nice, comfortable temperatures. Over the year, the average high is 21°C (70°F), and the average low is 12°C (54°F).
Monthly Temperature in Thessaloníki
The climate in Thessaloníki is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in August to a chilly 10°C (50°F) in the coolest month, January.
Nights vary from 22°C (72°F) in August to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Thessaloníki
Generally, Thessaloníki receives mid-range precipitation levels, with 658 mm (26 in) annually. Thessaloníki offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (76 mm (3 in)) and the driest month August (35 mm (1.4 in)) is not too significant. For more details, please visit our Thessaloníki Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Thessaloníki
For those who appreciate different seasons, Thessaloníki serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.3 hours of sunshine daily, and embrace the darker days in December, offering only 3.5 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Thessaloníki by Month
The relative humidity is high throughout the year in Thessaloníki.
The city experiences its highest humidity in December, reaching 78%. In July, the humidity drops to its lowest level at 52%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Thessaloníki 3-Day Forecast
Check the conditions for any month of the year.
