May weather forecast
East Hampton, NY

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The very tall Montauk Point Lighthouse stands high on a hilly spot overlooking the rocky and pebbly shores of East Hampton in Long Island, New York
The very tall Montauk Point Lighthouse stands high on a hilly spot overlooking the rocky and pebbly shores of East Hampton in Long Island, New York

Weather in May

In May, East Hampton flourishes in a pleasant climate, with weather conditions remarkably warmer than in April. The increased daylight hours and virtually no snowfall make it a welcoming time for outdoor activities. The higher relative humidity of 82% creates a more robust sense of warmth throughout the month. Frequent short bouts of raindraw out the greenery in town, with the total rainfall marking 2.83" (72mm) across approximately 15 days. More sunshine, warm temperatures, and the aroma of blooming flora make May an inviting time in East Hampton.

Temperature

The onset of May in East Hampton marks a slight increase in the average high-temperature, moving from a frosty 49.8°F (9.9°C) in April to a moderate 58.1°F (14.5°C). Nighttime, during May, brings an average low of 52.7°F (11.5°C), a modest reduction from the day's peak.

Humidity

May and June, with an average relative humidity of 82%, are the most humid months in East Hampton, New York.

Rainfall

In East Hampton, during May, the rain falls for 14.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. In East Hampton, during the entire year, the rain falls for 148 days and collects up to 33.07" (840mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, East Hampton aggregates 0.16" (4mm) of snow. In East Hampton, New York, during the entire year, snow falls for 12.6 days and aggregates up to 5.94" (151mm) of snow.

Ocean temperature

In East Hampton, the average seawater temperature in May is 51.8°F (11°C).
Note: Beware when you're in 51.8°F (11°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.

Daylight

In May, the average length of the day in East Hampton is 14h and 29min.
On the first day of the month, sunrise is at 5:45 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:14 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

In May, the average daily maximum UV index in East Hampton is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in East Hampton?

The high-temperature in East Hampton, New York, during May is 58.1°F (14.5°C) and the low-temperature is 52.7°F (11.5°C).

What is the most humid month in East Hampton?

The months with the highest humidity in East Hampton, New York, are May and June, with an average relative humidity of 82%.

What is the average humidity in May in East Hampton?

In May, the average relative humidity in East Hampton is 82%.

How many days does it rain in May in East Hampton?

In East Hampton, New York, in May, during 14.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

What is the last month it snows in East Hampton?

May is the last month it regularly snows. During 0.1 snowfall days, in May, East Hampton aggregates 0.16" (4mm) of snow.

What is the ocean temperature in May in East Hampton?

In East Hampton, New York, in May, the average water temperature is 51.8°F (11°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does East Hampton have in May?

The average day length in May in East Hampton, New York, is 14h and 29min.

When is the sunrise / sunset in May in East Hampton?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 7:45 pm. On the last day of the month, in East Hampton, sunrise is at 5:19 am and sunset at 8:14 pm EDT.

How long on average sun shines in May in East Hampton?

The average sunshine duration in May in East Hampton, New York, is 8.8h.

What is the UV index intensity in May in East Hampton?

In East Hampton, New York, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
East Hampton, NY

Average temperature in May - East Hampton, NY
  • Average high temperature in May: 58.1°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 52.7°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in May
East Hampton, NY

Average pressure in May - East Hampton, NY
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
East Hampton, NY

Average wind speed in May - East Hampton, NY
  • Average wind speed in May: 12.4mph

The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is July (10.8mph).

Average humidity in May
East Hampton, NY

Average humidity in May - East Hampton, NY
  • Average humidity in May: 82%

The months with the highest relative humidity are May and June (82%).
The month with the lowest relative humidity is November (72%).

Average rainfall in May
East Hampton, NY

Average rainfall in May - East Hampton, NY
  • Average rainfall in May: 2.83"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in May
East Hampton, NY

Average rainfall days in May - East Hampton, NY
  • Average rainfall days in May: 14.8 days

The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in May
East Hampton, NY

Average snowfall in May - East Hampton, NY
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (1.97").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
East Hampton, NY

Average snowfall days in May - East Hampton, NY
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average sea temperature in May
East Hampton, NY

Average sea temperature in May - East Hampton, NY
  • Average sea temperature in May: 52°F

The best month for swimming (with the highest average sea temperature) is August (72°F).
The coldest months (with the lowest average sea temperature) are February and March (41°F).

Average daylight in May /
Average sunshine in May
East Hampton, NY

Average daylight in May / Average sunshine in May - East Hampton, NY
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

Average sunshine days in May
East Hampton, NY

Average sunshine days in May - East Hampton, NY
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are July and August (13.3 days).

Average UV index in May
East Hampton, NY

Average UV index in May - East Hampton, NY
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in May
East Hampton, NY

Average cloud cover in May - East Hampton, NY
  • Average cloud cover in May: 43

The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
East Hampton, NY

Average visibility in May - East Hampton, NY
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

East Hampton, New York, USA

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