Best time to visit Thessaloníki
Greece · 20-year averages
September is the best month in Thessaloníki, scoring 86 out of 100, with December the weakest at 48. The 38-point spread means timing is worth planning around without being decisive. 4 of the twelve months sit within ten points of the best, so there is more than one right answer.
July is the warmest month at 33 °C and January the coolest at 8.6 °C — a 24.4 °C spread across the year. Around 77 days a year top 30 °C, concentrated in July and the months either side. 31 nights a year dip below freezing.
There is a real wet season here. January, March, May and December carry the rain — up to 9 wet days in a month — while July to August drop as low as 4. That 5-day gap is the biggest single difference between a good month and a bad one in Thessaloníki, and it moves further than the temperature does.
Daylight runs from 9.3 hours in winter to 15.1 in summer, enough to notice on a sightseeing itinerary.
The three strongest months are September, October, May. The one to think twice about is December. Each month below has its own page with rainfall reliability, extremes, daylight and crowd levels.
Thessaloníki month by month
| Month | High °C | Low °C | Rain days | Daylight h | Score | Verdict |
|---|---|---|---|---|---|---|
| January | 8.6 | 1.3 | 9 | 9.6 | 48 | A hard month |
| February | 10.5 | 2.4 | 8 | 10.6 | 55 | Shoulder season |
| March | 14.2 | 4.9 | 9 | 11.9 | 66 | A good month |
| April | 18.3 | 8.3 | 7 | 13.2 | 82 | Prime time |
| May | 24.2 | 13.4 | 9 | 14.4 | 84 | Prime time |
| June | 29.6 | 18.3 | 8 | 15.1 | 74 | A good month |
| July | 33 | 21.2 | 5 | 14.8 | 64 | A good month |
| August | 32.9 | 21.3 | 4 | 13.8 | 67 | A good month |
| September | 27.4 | 17.1 | 7 | 12.5 | 86 | Prime time |
| October | 21.2 | 11.8 | 7 | 11.2 | 86 | Prime time |
| November | 15.4 | 7.3 | 8 | 10 | 71 | A good month |
| December | 9.9 | 2.8 | 9 | 9.3 | 48 | A hard month |
Planning the rest of the trip
- Flight time to Thessaloníki how long you are actually in the air
- Thessaloníki time zone and the difference from home
- Days until your trip count down to the departure date