Our verdict
The best time to visit Thessaloniki is May-July
In the summer months, temperatures can reach as high as 34℃ (92℉) in Thessaloniki. The weather at night in the winter, which is around January-time, can get down to a minimum of -2℃ (28℉).
If you’re keen to see the sights of Thessaloniki during the day, the sun stays up the longest around August. March sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in August instead.
Continue reading to find out more about when to visit Thessaloniki, including the climate, seasonal info, what to pack, FAQs, and the best tools to help you plan and book your next vacation.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
*Support us by clicking the links above and making a booking with our partners. It's completely free for you, and it helps us make this site even more awesome! We'll <3 you for it.
Thessaloniki seasons
Before you continue, it’s important to know when the seasons are in Thessaloniki as they might be different to yours depending on where in the world you’re travelling from. Thessaloniki is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Thessaloniki
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Thessaloniki for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Thessaloniki climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Thessaloniki for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Thessaloniki in January
- Average temperature: 5℃ (41℉)
- Average high temperature: 8℃ (47℉)
- Average low temperature: 2℃ (36℉)
- Average humidity: 75%
- Average sunny days: 18 days
- Average rainfall: 35mm (1") over 11 days
- Average snow days: 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
Add visitor or local insider tips >
Thessaloniki in February
- Average temperature: 7℃ (45℉)
- Average high temperature: 11℃ (52℉)
- Average low temperature: 4℃ (39℉)
- Average humidity: 75%
- Average sunny days: 15 days
- Average rainfall: 35mm (1") over 11 days
- Average snow days: 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
Add visitor or local insider tips >
Thessaloniki in March
- Average temperature: 10℃ (50℉)
- Average high temperature: 14℃ (58℉)
- Average low temperature: 6℃ (43℉)
- Average humidity: 72%
- Average sunny days: 14 days
- Average rainfall: 55mm (2") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in March, make sure you pack a warm jacket or coat.
Add visitor or local insider tips >
Thessaloniki in April
- Average temperature: 14℃ (57℉)
- Average high temperature: 19℃ (66℉)
- Average low temperature: 9℃ (48℉)
- Average humidity: 67%
- Average sunny days: 15 days
- Average rainfall: 43mm (2") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in April, make sure you pack a warm jacket or coat.
Add visitor or local insider tips >
Thessaloniki in May
- Average temperature: 19℃ (66℉)
- Average high temperature: 24℃ (75℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 63%
- Average sunny days: 16 days
- Average rainfall: 40mm (2") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in May, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
Add visitor or local insider tips >
Thessaloniki in June
- Average temperature: 23℃ (74℉)
- Average high temperature: 29℃ (83℉)
- Average low temperature: 17℃ (63℉)
- Average humidity: 58%
- Average sunny days: 14 days
- Average rainfall: 34mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in June, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
Add visitor or local insider tips >
Thessaloniki in July
- Average temperature: 26℃ (79℉)
- Average high temperature: 32℃ (89℉)
- Average low temperature: 20℃ (68℉)
- Average humidity: 53%
- Average sunny days: 18 days
- Average rainfall: 21mm (1") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
Add visitor or local insider tips >
Thessaloniki in August
- Average temperature: 26℃ (79℉)
- Average high temperature: 32℃ (89℉)
- Average low temperature: 21℃ (69℉)
- Average humidity: 52%
- Average sunny days: 20 days
- Average rainfall: 17mm (1") over 8 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in August, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.
Add visitor or local insider tips >
Thessaloniki in September
- Average temperature: 22℃ (71℉)
- Average high temperature: 26℃ (80℉)
- Average low temperature: 17℃ (63℉)
- Average humidity: 59%
- Average sunny days: 18 days
- Average rainfall: 28mm (1") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
Thessaloniki in October
- Average temperature: 17℃ (62℉)
- Average high temperature: 20℃ (69℉)
- Average low temperature: 13℃ (55℉)
- Average humidity: 67%
- Average sunny days: 19 days
- Average rainfall: 35mm (1") over 9 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in October, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
Add visitor or local insider tips >
Thessaloniki in November
- Average temperature: 12℃ (54℉)
- Average high temperature: 16℃ (60℉)
- Average low temperature: 9℃ (49℉)
- Average humidity: 74%
- Average sunny days: 18 days
- Average rainfall: 48mm (2") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in November, make sure you pack a warm jacket or coat.
Add visitor or local insider tips >
Thessaloniki in December
- Average temperature: 7℃ (44℉)
- Average high temperature: 10℃ (50℉)
- Average low temperature: 4℃ (39℉)
- Average humidity: 73%
- Average sunny days: 19 days
- Average rainfall: 41mm (2") over 10 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Thessaloniki in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
Add visitor or local insider tips >