Castine Weather in October

The climate in Castine during October can be summarized as cool and a little damp.

October is in the fall / autumn in Castine and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (58°F), whilst at night 4°C (40°F) is normal.

On average October is the 3rd wettest month of the year in Castine with around 100mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.7 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 Castine in October 2024.