COVID-19 (Coronavirus) may impact your travel plans and the data on our site. Stay safe, and always check official travel advice before you book.

Best time to visit Thessaloniki, Greece

Our verdict

The best time to visit Thessaloniki is May-July

Are you looking for top-secret information about when to visit Thessaloniki? Look no further! May-July is the best time to go to Thessaloniki due to the excellent all-round climate conditions, and it’s not likely to be at its busiest as it’s not during the height of the peak travel season.

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.

Warmest month

August

Least rainfall

August

Most daylight

August

Let someone else do the hard work.
Map pin icon
Where to?
Thessaloniki

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:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

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
18 days
of pure sunshine
11 days
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.


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
15 days
of pure sunshine
11 days
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.


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
14 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Thessaloniki in March, make sure you pack a warm jacket or coat.


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
15 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Thessaloniki in April, make sure you pack a warm jacket or coat.


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
16 days
of pure sunshine
13 days
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.


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
14 days
of pure sunshine
13 days
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.


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
18 days
of pure sunshine
10 days
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.


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
20 days
of pure sunshine
8 days
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.


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
18 days
of pure sunshine
10 days
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
19 days
of pure sunshine
9 days
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.


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
18 days
of pure sunshine
10 days
of showers or rain

What to pack: If you’re heading to Thessaloniki in November, make sure you pack a warm jacket or coat.


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
19 days
of pure sunshine
10 days
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.


Top FAQs

The hottest month of the year in Thessaloniki is usually August, where temperatures tend to rise to around 32℃ (89℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Thessaloniki is generally around August. The dry season often coincides with cooler weather, so you should check the temperatures in August first to make sure it’s still a good time to go.
The rainiest time of year in Thessaloniki is generally around March, although the wetter season can sometimes extend a few months either side of March too.
If you want to get the most out of your time visiting Thessaloniki, or if you're just afraid of the dark, the days in August are usually the longest between sunrise and sunset.

Thessaloniki map

Icons made by Freepik from www.flaticon.com