The weather in May in Long Island

It's warm in May in Long Island with an average temperature of 27°C. Temperatures this month range from a low of 27°C to a high of 28°C. At night, you can expect temperatures between 25°C and 26°C.

Looking for sun? May isn’t a good month to be in Long Island. 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 Long Island, Bahamas. 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 31°C in 2023, Long Island reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 24°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 28°C.

Rainfall amount

In May, there is an average of 112 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the East.

Daily weather in May for Long Island

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

May weather comparison

  Long Island New York
Average temperature 27°C 22°C
Max. temperature 28°C 28°C
Min. temperature 25°C -5°C
Total precipitation 112 mm 105 mm
Rainy days 14 days 14 days

Start of May

The month of May starts in Long Island with hot temps, averaging around 27°C during the day and nights around 26°C.

Mid May

By mid-May, daytime temps rise to around 28°C, with nights around 26°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 Long Island is around 28°C, while nighttime temps are about 26°C. A shower might pop up, but overall, the weather will be dry and sunny.

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Long Island runs from June to November.

Check out the climate of Long Island for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in May in Long Island, Bahamas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Long Island

Temperature in May in Long Island over the years

Precipitation charts

These charts show the average amount of precipitation in May in Long Island, Bahamas. 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 Long Island

Total precipitation in May in Long Island over the years

Daily UV index in May in Long Island

This chart shows the average daily UV index in May in Long Island, 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 Long Island

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Average weather in Long Island by month

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