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The weather in May in East Islip

It's pleasantly warm in May in East Islip with an average temperature of 21°C. Temperatures this month range from a low of 17°C to a high of 25°C. At night, you can expect temperatures between 8°C and 16°C.

Looking for sun? May isn’t a good month to be in East Islip. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for East Islip, New York. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 34°C in 2022, East Islip reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 8°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 20°C.

Rainfall amount

In May, there is an average of 163 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in May for East Islip

Click on any day in May to get detailed info about the usual weather on that day in East Islip. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  East Islip New York
Average temperature 21°C 22°C
Max. temperature 25°C 28°C
Min. temperature 8°C -5°C
Total precipitation 163 mm 105 mm
Rainy days 18 days 14 days

Start of May

The month of May starts in East Islip with mild temps, averaging around 19°C during the day and nights around 10°C.

Mid May

By mid-May, daytime temps rise to around 21°C, with nights around 12°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of May

By the end of May, the average daytime temperature in East Islip is around 23°C, while nighttime temps are about 15°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of East Islip for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in May in East Islip, New York. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in East Islip

Temperature in May in East Islip over the years

Precipitation charts

These charts show the average amount of precipitation in May in East Islip, New York. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in East Islip

Total precipitation in May in East Islip over the years

Daily UV index in May in East Islip

This chart shows the average daily UV index in May in East Islip, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in May in East Islip

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Average weather in East Islip by month

Click on a month below to see detailed weather info for East Islip. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.