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 · July
Islip weather in July
Average highs of 83°F, lows of 67°F and 3.3 in of rain, from 30 years of weather records.
July is Islip’s warmest month, with average highs of 83°F and lows of 67°F. That is 6° warmer than June, and 22° above the yearly average high.
- Average high
- 83°F
- Average low
- 67°F
- Precipitation
- 3.3 in
- Wet days
- 9
- Sunrise · sunset
- 5:34 AM · 8:23 PM
July across the year
High and low Rain
What to wear in July
- Warm days: shorts and T-shirts.
- Pack an umbrella or rain jacket: rain or snow falls on about 9 days this month.
July is good for
What’s on in Islip in July
See all upcoming events and school days off.
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 ↗July 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 July?
Average highs are 83°F and average lows 67°F, for a daily mean of 75°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Islip in July?
July averages 3.3 in of precipitation over about 9 days with at least 0.01 in. It is the 12th wettest month of the year.
What time is sunset in Islip in July?
Around mid-July the sun rises about 5:34 AM and sets about 8:23 PM, for roughly 14.8 hours of daylight.
Is July a good time to visit Islip?
Yes. July 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 July 15 at the city’s coordinates.