Thessaloníki Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Thessaloníki.

Climate overview of Thessaloníki

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).

Thessaloníki Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Thessaloníki — and find the best time to visit.

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

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

Best Time to Visit Thessaloníki

Thessaloníki's weather is most enjoyable during April, May, June, September and October, with comfortable temperatures from 19°C (67°F) to 29°C (85°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 41 mm (1.6 in) and 62 mm (2.4 in), providing a good balance of sunny and rainy days.

Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.

Frequently asked questions about the climate in Thessaloníki

What is the best time to visit Thessaloníki?

May, June, September and October typically offer the most optimal weather in Thessaloníki. In contrast, January tends to have less optimal conditions. Thessaloníki has a distinct dry season from July to August.

What temperatures can I expect in Thessaloníki?

Daytime highs range from 10°C (50°F) in January to 32°C (90°F) in August. Nighttime lows range from 3°C (37°F) to 22°C (72°F). Temperatures vary considerably through the year.

How much rain does Thessaloníki get?

Annual rainfall is around 658 mm (26 in). December is the wettest month with 76 mm (3 in), while August is the driest with 35 mm (1.4 in).

How sunny is Thessaloníki?

Thessaloníki receives around 2,421 hours of sunshine per year. July is the sunniest month with 339 hours, while December is the cloudiest with just 104 hours. Overall, Thessaloníki enjoys abundant sunshine.

Thessaloníki 3-Day Forecast

Thessaloníki 3-Day Forecast

Thessaloníki on the map

Thessaloníki is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.