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When is the best time to visit Thessaloniki?
In general the best time to visit Thessaloniki is probably June, July, August, September, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
But ultimately the best time to visit depends on what you want to do:
- The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +31°C in August and it has 20 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during April - October.
- If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Thessaloniki in different months
This is the average weather in Thessaloniki for each month based on historic data:
In June, July, August, September the weather is great. There are an average of 20 sunny days in July and the temperature ranges from +22°C to +31°C.
January, March, April, May, October usually has good weather. Average maximum temperature reaches +24°C during May.
In February, November, December the weather is average. Expect around 36 rainy days, and the precipitation amounts to approximately 77 mm in December.
Climate in Thessaloniki
Here is the detailed breakdown of the climate in Thessaloniki for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +19°C | +26°C | +28°C | +30°C | +34°C | +39°C | +41°C | +41°C | +36°C | +32°C | +26°C | +22°C |
| Average Maximum Temperature | |||||||||||
| +9°C | +11°C | +14°C | +18°C | +24°C | +28°C | +31°C | +31°C | +27°C | +21°C | +15°C | +10°C |
| Minimum Temperature | |||||||||||
| -8°C | -7°C | -3°C | -1°C | +7°C | +11°C | +16°C | +14°C | +10°C | +3°C | -3°C | -9°C |
| Avg. water temperature | |||||||||||
| +16°C | +15°C | +14°C | +16°C | +22°C | +26°C | +28°C | +28°C | +27°C | +23°C | +20°C | +17°C |
| Humidity, % | |||||||||||
| 73 | 69 | 68 | 66 | 63 | 57 | 53 | 55 | 61 | 69 | 74 | 75 |
| Rain, mm | |||||||||||
| 60 | 55 | 63 | 62 | 43 | 37 | 20 | 25 | 49 | 66 | 75 | 77 |
| Snow, mm | |||||||||||
| 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
| Average wind speed, m/s | |||||||||||
| 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 |
| Sunny Days | |||||||||||
| 9 | 8 | 9 | 10 | 10 | 15 | 20 | 20 | 16 | 11 | 8 | 8 |
| Cloud Days | |||||||||||
| 9 | 8 | 9 | 7 | 7 | 4 | 2 | 2 | 4 | 9 | 9 | 9 |
| Rainy Days | |||||||||||
| 11 | 11 | 12 | 11 | 9 | 6 | 5 | 5 | 7 | 10 | 13 | 12 |
| Snowy Days | |||||||||||
| 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Average Temperature
Here are the average maximum and minimum temperatures in Thessaloniki during the whole year:
The hottest month in Thessaloniki is August with average maximum temperature going up to +31°C. The coldest month is January with the lowest temperatures of +3°C.
Water temperature
Here are the water temperatures in Thessaloniki during the whole year:
Thessaloniki achieves its warmest water temperature in August, where the average sea temperature goes up to +26°C. Coldest water temperature is in March with +13°C in average.
When can you swim in Thessaloniki?
You can swim in Thessaloniki from June to October:
- In July - August the water is warm (25°C - 28°C);
- In June - October the water is comfortable (21°C - 25°C);
Humidity
The temperature feels different depending on humidity. Here is how humidity in Thessaloniki looks throughout the year, in %:
The most humid month in Thessaloniki is December with average humidity going up to 75%. The least humid month is July with an average humidity of 53%.
Rain
Amount of rainfall in mm. in Thessaloniki during the whole year based on historical data:
The sunniest and driest month is July with approximately 20 sunny days and a total precipitation of around 20 mm. The rainiest and wettest month is December with approximately 12 rainy days and 77 mm of total precipitation.
Snow
Amount of snow in mm. in Thessaloniki during the whole year based on historical data:
The snowiest month is December with approximately 1 snowy days.
FAQ
Frequently asked questions about the weather in Thessaloniki:
What is the hottest month in Thessaloniki?
The hottest month in Thessaloniki is August with average maximum temperature of +31°C.
What is the coldest month in Thessaloniki?
The coldest month in Thessaloniki is January with minimum temperatures of +3°C.
Is Thessaloniki worth visiting in winter?
Winter in Thessaloniki could be a good time to visit, as the weather is generally ok.
When does it rain the least in Thessaloniki?
if you're looking to visit Thessaloniki when it rains the least, you should plan your trip for December, November, October. During this time, rainfall is rare with the driest month being July with only 20 mm of rain.
Other cities in Greece
Check out the weather for other cities in Greece.
Monthly weather in Thessaloniki
Source of the data
For this page, we’ve looked at the typical weather in Thessaloniki, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.