The climate in Chalkída during October can be summarized as mild and reasonably dry.
October is in the fall / autumn in Chalkída and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 22°C (72°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 22.1°C 71.7°F | 
|---|---|
| Nightly temperature | 12.2°C 53.9°F | 
| Average temperature | 17.1°C 62.8°F | 
| Daily sunshine | 7.3 hrs | 
| Avg rainfall | 60 mm 2.4 ins | 
| Rainy days | 6 days | 
| Sea temperature | 21.5°C 70.8°F | 
| Humidity | 70% | 
| Windspeed | 6.8kph 4 mph | 
On average October is the 5th wettest month of the year in Chalkída with around 60mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 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 Chalkída in October 2025.
Best places to visit in October
| Hottest month: | July | 31.3°C 88.3°F | 
|---|---|---|
| Driest month: | July | 8mm 0.3ins | 
| Sunniest month: | July | 13.8hrs | 
| Coldest month: | January | 11.7°C 53.1°F | 
| Wettest month: | December | 86mm 3.4ins |