The climate in Thessaloníki during October can be summarized as mild and reasonably dry.
October is in the fall / autumn in Thessaloníki and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 20.9°C 69.5°F | 
|---|---|
| Nightly temperature | 10.2°C 50.3°F | 
| Average temperature | 15.5°C 59.9°F | 
| Daily sunshine | 6.1 hrs | 
| Avg rainfall | 48 mm 1.9 ins | 
| Rainy days | 7 days | 
| Sea temperature | 20.9°C 69.7°F | 
| Humidity | 70% | 
| Windspeed | 4.7kph 3 mph | 
On average October is the 3rd wettest month of the year in Thessaloníki with around 48mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
 
				 
						 
						The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Thessaloníki in October 2025.
Best places to visit in October
| Hottest month: | July | 30.9°C 87.6°F | 
|---|---|---|
| Driest month: | August | 23mm 0.9ins | 
| Sunniest month: | July | 11.5hrs | 
| Coldest month: | January | 8.2°C 46.8°F | 
| Wettest month: | November | 58mm 2.3ins | 
 
	 
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