May weather forecast
Montauk, NY

The shores of The Atlantic Ocean with a far view of the Montauk Point Lighthouse, in Montauk, New York
The shores of The Atlantic Ocean with a far view of the Montauk Point Lighthouse, in Montauk, New York

Weather in May

The last month of the spring, May, is a mild month in Montauk, New York, with an average temperature varying between 57.7°F (14.3°C) and 52.5°F (11.4°C).

Temperature

In May, the average high-temperature marginally rises from a frosty 49.5°F (9.7°C) in April to a moderate 57.7°F (14.3°C). In Montauk, in May, the average low-temperature is 52.5°F (11.4°C).

Humidity

The average relative humidity in May in Montauk is 82%.

Rainfall

In May, in Montauk, the rain falls for 15.4 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. Throughout the year, in Montauk, New York, there are 156.7 rainfall days, and 34.45" (875mm) of precipitation is accumulated.

Snowfall

May through November are months without snowfall.

Ocean temperature

In Montauk, the average seawater temperature in May is 51.8°F (11°C).
Note: Swimming in 51.8°F (11°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The average length of the day in May in Montauk is 14h and 30min.
On the first day of the month, sunrise is at 5:45 am and sunset at 7:44 pm. On the last day of May, in Montauk, sunrise is at 5:18 am and sunset at 8:13 pm EDT.

Sunshine

In May, the average sunshine in Montauk is 8.7h.

UV index

In Montauk, New York, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in May in Montauk?

The average relative humidity in May in Montauk, New York, is 82%.

How many days does it rain in May in Montauk?

In Montauk, New York, in May, it is raining for 15.4 days, with typically 2.8" (71mm) of accumulated precipitation.

When it does not snow in Montauk?

May through November are months without snowfall in Montauk.

Does it snow in Montauk in May?

In May, in Montauk, New York, it doesn't snow. April is the latest month when it typically snows.

What is the water temperature in May in Montauk?

In Montauk, New York, the average seawater temperature in May is 51.8°F (11°C). Swimming in 51.8°F (11°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in May in Montauk?

In May, the average day length in Montauk is 14h and 30min.

When are sunrise and sunset in May in Montauk?

On the first day of May, sunrise is at 5:45 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:13 pm EDT.

How many hours of sunshine does Montauk have in May?

The average sunshine duration in May in Montauk is 8.7h.

How high is the UV index in May in Montauk?

The average daily maximum UV index in May in Montauk is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Montauk, NY

Average temperature in May - Montauk, NY
  • Average high temperature in May: 57.7°F

The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in May: 52.5°F

The month with the highest average low temperature is August (70.9°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

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Average pressure in May
Montauk, NY

Average pressure in May - Montauk, NY
  • Average pressure in May: 30.02"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).

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Average wind speed in May
Montauk, NY

Average wind speed in May - Montauk, NY
  • Average wind speed in May: 12.8mph

The windiest month (with the highest average wind speed) is January (16.7mph).
The calmest month (with the lowest average wind speed) is July (11.1mph).

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Average humidity in May
Montauk, NY

Average humidity in May - Montauk, NY
  • Average humidity in May: 82%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in May
Montauk, NY

Average rainfall in May - Montauk, NY
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in May
Montauk, NY

Average rainfall days in May - Montauk, NY
  • Average rainfall days in May: 15.4 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (9.9 days).

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Average snowfall in May
Montauk, NY

Average snowfall in May - Montauk, NY
  • Average snowfall in May: 0"

The month with the highest snowfall is March (2.24").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in May
Montauk, NY

Average snowfall days in May - Montauk, NY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in May
Montauk, NY

Average sea temperature in May - Montauk, NY
  • Average sea temperature in May: 51.7°F

The best month for swimming (with the highest average sea temperature) is August (70.3°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).

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Average daylight in May /
Average sunshine in May
Montauk, NY

Average daylight in May / Average sunshine in May - Montauk, NY
  • Average daylight in May: 14h and 30min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 17min).

  • Average sunshine in May: 8h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in May
Montauk, NY

Average sunshine days in May - Montauk, NY
  • Average sunshine days in May: 13.6 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is February (12.4 days).

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Average UV index in May
Montauk, NY

Average UV index in May - Montauk, 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).

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Average cloud cover in May
Montauk, NY

Average cloud cover in May - Montauk, NY
  • Average cloud cover in May: 43

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Montauk, NY

Average visibility in May - Montauk, 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).

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