May weather forecast
Montauk, NY

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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

In May, temperatures reach a pleasant high of 57.7°F (14.3°C), confirming the arrival of spring. This month's weather creates an appealing ambiance that encourages outdoor enjoyment and exploration of Montauk's abundant beauty. Showers are less frequent in May than in April, and there is absolutely no snowfall, highly suggestive of the imminent summer. Increased daylight hours and a rise in sea temperature concurrently foster invigorating seaside ventures.

Temperature

May brings a slight rise in Montauk's average high-temperature, moving from a frosty 49.5°F (9.7°C) in April to a mild 57.7°F (14.3°C). A consistent average low of 52.5°F (11.4°C) is noted in Montauk throughout May, only a small step down from its daytime high.

Humidity

In May, the average relative humidity is 82%.

Rainfall

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

Snowfall

May through November are months without snowfall in Montauk.

Ocean temperature

In May, the average ocean temperature in Montauk is 51.8°F (11°C).
Note: Staying in 51.8°F (11°C) waters for just a few moments at 55.4°F (13°C) can be harrowing, and below 50°F (10°C) poses breathing and cold shock risks, depending on individual tolerance.

Daylight

The average length of the day in May in Montauk, New York, is 14h and 30min.
On the first day of the month, sunrise is at 5:44 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:17 am and sunset at 8:13 pm EDT.

Sunshine

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

UV index

In Montauk, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 5 during May leads to these advisories:
Adopt protective measures - It is advised to guard against sun damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Montauk in May?

In May, the average high-temperature and low-temperature in Montauk, New York, are 57.7°F (14.3°C) and 52.5°F (11.4°C) respectively.

What is the average humidity in May in Montauk?

The average relative humidity in May is 82%.

How many days does it rain in May in Montauk?

In May, in Montauk, the rain falls for 15.4 days. Throughout May, 2.8" (71mm) of precipitation is accumulated.

When it does not snow in Montauk?

May through November are months without snowfall in Montauk, New York.

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 ocean temperature in May in Montauk?

In Montauk, the average seawater temperature in May 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.

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

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

What time are sunrise and sunset in May in Montauk?

On the first day of May in Montauk, New York, sunrise is at 5:44 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:13 pm EDT.

How many hours of sunshine does Montauk have in May?

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

What is the UV index reading in May in Montauk?

In Montauk, New York, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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 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 4min

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).

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).

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).

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).

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).

Montauk, New York, USA

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