THINGS TO DO · YOUTUBE SHORT
Heckscher State Park, East Islip, NY, US - Part 1
A local activity video shared by OurTrip Videos.
Watch on YouTube ↗
Weather · May
Islip weather in May
Average highs of 68°F, lows of 51°F and 3.3 in of rain, from 30 years of weather records.
May is Islip’s 5th warmest month, with average highs of 68°F and lows of 51°F. That is 10° warmer than April, and 7° above the yearly average high.
- Average high
- 68°F
- Average low
- 51°F
- Precipitation
- 3.3 in
- Wet days
- 12
- Sunrise · sunset
- 5:36 AM · 8:02 PM
May across the year
High and low Rain
What to wear in May
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
- Pack an umbrella or rain jacket: rain or snow falls on about 12 days this month.
May is good for
Around Islip
See Islip
A look around town before you go.
THINGS TO DO · YOUTUBE SHORT
Living Large: Islip
A local activity video shared by CBS New York.
Watch on YouTube ↗May compared with the months around it
Planning a trip? See the best time to visit Islip and today’s forecast.
Questions
How hot does it get in Islip in May?
Average highs are 68°F and average lows 51°F, for a daily mean of 60°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Islip in May?
May averages 3.3 in of precipitation over about 12 days with at least 0.01 in. It is the 11th wettest month of the year.
What time is sunset in Islip in May?
Around mid-May the sun rises about 5:36 AM and sets about 8:02 PM, for roughly 14.4 hours of daylight.
Is May a good time to visit Islip?
Yes. May is one of the mildest months, with highs between 65°F and 85°F and little rain.
NOAA U.S. Climate Normals 1991–2020, Islip Li Macarthur Ap station (9.7 mi from downtown). Sunrise and sunset are calculated for May 15 at the city’s coordinates.