When to go · Shelter Island
Shelter Island in May
Great month. Inside Shelter Island's best window: May–Jun, Sep–Oct.
Key facts
- Verdict
- Great
- Temperature
- 19°C (66°F)66°F (19°C) / 10°C (50°F)50°F (10°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Shelter Island's best window: May–Jun, Sep–Oct.
Is another month better than May?
No other month rates higher than May for Shelter Island in this guide.
Weather in May
- Shelter IslandHighs around 19 °C (66 °F), lows around 10 °C (50 °F), rain on about 9 daysHighs around 66 °F (19 °C), lows around 50 °F (10 °C), rain on about 9 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Memorial Day big impact
Last Monday of May · United States
Start of summer; roads and beaches full.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Compare two months
Weather, crowds and prices for any two months in Shelter Island, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 19 °C (66 °F)66 °F (19 °C)
Jun: 24 °C (75 °F)75 °F (24 °C)
Night low
May: 10 °C (50 °F)50 °F (10 °C)
Jun: 15 °C (59 °F)59 °F (15 °C)
Rain days
May: 9
Jun: 8 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 1
Jun: 0
May: Inside Shelter Island's best window: May–Jun, Sep–Oct.
June: Inside Shelter Island's best window: May–Jun, Sep–Oct.
Shelter Island: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings