Get Exclusive App Deals

Town of Shelter Island

Travel Info

Top 10 Must-Do Experiences and Attractions in Town of Shelter Island

Latest launches and promotions in Town of Shelter Island

More destinations

Town of Shelter Island Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Town of Shelter Island year round climate

  • Spring (March–May): Average 41–57°F, mild climate, but occasional showers are possible, with increasing sunshine hours. Common activities: Hiking, birdwatching, cycling. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 66–73°F, warm and humid, with occasional showers or thunderstorms. Common activities: Swimming, boating, beach activities. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 46–64°F, pleasant climate, but September has higher rainfall, with decreasing sunshine hours. Common activities: Viewing autumn leaves, outdoor walks, seaside strolls. Recommended clothing: Comfortable long-sleeved shirts, light jacket, warm clothing.
  • Winter (December–February): Average 33–41°F, cold and humid, with higher chances of rain and snow. Common activities: Indoor activities, museum visits. Recommended clothing: Warm coat, sweater, scarf, hat, gloves.

Town of Shelter Island climatological average

Annual average temperature: approx. 52.7°F / Annual rainfall: approx. 1984 mm / Summer humidity: 65%–75% / Rainiest month: September

Town of Shelter Island monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
34.5°F
189.3
February
35.1°F
110.1
March
41°F
160.9
April
48.2°F
124.1
May
56.7°F
155.7
June
66°F
127.1
July
73.9°F
164.2
August
71.6°F
181.4
September
64.8°F
311.8
October
55.2°F
214.2
November
46.2°F
78
December
38.5°F
167.4

Town of Shelter Island weather for the next seven days

3/18
Wednesday
Sunny
35.6°F/29.1°F
3/19
Thursday
Partly Cloudy
38.8°F/31.6°F
3/20
Friday
Partly Cloudy
42.4°F/38.5°F
3/21
Saturday
Heavy rain
43.7°F/40.8°F
3/22
Sunday
Fog
48.7°F/41.3°F
3/23
Monday
Patchy rain nearby
46.7°F/38.7°F
3/24
Tuesday
Patchy rain nearby
36.1°F/29.5°F