Shelter Island Heights Weather in October

What's the weather like in Shelter Island Heights (New York) in October 2025?

The climate in Shelter Island Heights during October can be summarized as mild and a little damp.

October is in the fall / autumn in Shelter Island Heights and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 7°C (44°F) is normal.

Shelter Island Heights weather averages (imperial / metric)
Daytime temperature 17.7°C 63.9°F
Nightly temperature 6.5°C 43.7°F
Average temperature 12.1°C 53.8°F
Daily sunshine 7.5 hrs
Avg rainfall 93 mm 3.6 ins
Rainy days 8 days
Sea temperature 15.8°C 60.5°F
Humidity 71%
Windspeed 16.2kph 10 mph

On average October is the 3rd driest month of the year in Shelter Island Heights with around 93mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.5 hours of sunshine per day.

October temperatures in Shelter Island Heights

Shelter Island Heights average temperature in October

October rainfall

Shelter Island Heights average rain in October

October hourly sunshine

Shelter Island Heights average rain in October

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 Shelter Island Heights in October 2025.

Other monthly averages

Best places to visit in October

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Shelter Island Heights weather stats

Shelter Island Heights weather statistics
Hottest month: July 27°C 80.6°F
Driest month: June 78mm 3.1ins
Sunniest month: March 8.1hrs
Coldest month: January 2.5°C 36.5°F
Wettest month: December 116mm 4.6ins
Map showing location of Shelter Island Heights (41.08399, -72.35592) Shelter Island Heights map pin © Google

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