January 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 January

January, the same as December, is another cold winter month in Montauk, New York, with an average temperature ranging between max 38.8°F (3.8°C) and min 31.1°F (-0.5°C).

Temperature

With an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 31.1°F (-0.5°C), January is the coldest month.

Humidity

In January, the average relative humidity in Montauk is 74%.

Rainfall

In Montauk, New York, it is raining for 9.9 days, with typically 2.76" (70mm) of accumulated precipitation. In Montauk, during the entire year, the rain falls for 156.7 days and collects up to 34.45" (875mm) of precipitation.

Snowfall

January through April and December are months with snowfall in Montauk. In Montauk, during January, snow falls for 5.1 days and regularly aggregates up to 1.61" (41mm) of snow. Throughout the year, there are 15.2 snowfall days, and 6.14" (156mm) of snow is accumulated.

Ocean temperature

In January, the average ocean temperature in Montauk is 41.2°F (5.1°C).
Note: 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.

Daylight

In Montauk, the average length of the day in January is 9h and 37min.
On the first day of January in Montauk, New York, sunrise is at 7:12 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:03 pm EST.

Sunshine

In January, the average sunshine in Montauk is 4.9h.

UV index

The months with the lowest UV index in Montauk are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in January transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Montauk?

With an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 31.1°F (-0.5°C), January is the coldest month in Montauk.

What is the temperature in January in Montauk?

The average high-temperature, in January, in Montauk, is 38.8°F (3.8°C), while the average low-temperature is 31.1°F (-0.5°C).

What is the average humidity in January in Montauk?

The average relative humidity in January is 74%.

How much does it rain in Montauk in January?

In Montauk, New York, in January, it is raining for 9.9 days, with typically 2.76" (70mm) of accumulated precipitation.

How much does it snow in Montauk in January?

In January, in Montauk, New York, it is snowing for 5.1 days. Throughout January, 1.61" (41mm) of snow is accumulated.

What is the ocean temperature in January in Montauk?

In January, the average ocean temperature in Montauk, New York, is 41.2°F (5.1°C). Swimming in 41.2°F (5.1°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.

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

The average day length in January is 9h and 37min.

When is the sunrise / sunset in January in Montauk?

On the first day of January in Montauk, sunrise is at 7:12 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:03 pm EST.

How long on average sun shines in January in Montauk?

In January, the average sunshine duration in Montauk, New York, is 4.9h.

When is the lowest UV index in Montauk?

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.

How high is the UV index in January in Montauk?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Montauk, NY

Average temperature in January - Montauk, NY
  • Average high temperature in January: 38.8°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 January: 31.1°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 January
Montauk, NY

Average pressure in January - Montauk, NY
  • Average pressure in January: 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 January
Montauk, NY

Average wind speed in January - Montauk, NY
  • Average wind speed in January: 16.7mph

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 January
Montauk, NY

Average humidity in January - Montauk, NY
  • Average humidity in January: 74%

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 January
Montauk, NY

Average rainfall in January - Montauk, NY
  • Average rainfall in January: 2.76"

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 January
Montauk, NY

Average rainfall days in January - Montauk, NY
  • Average rainfall days in January: 9.9 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 January
Montauk, NY

Average snowfall in January - Montauk, NY
  • Average snowfall in January: 1.61"

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 January
Montauk, NY

Average snowfall days in January - Montauk, NY
  • Average snowfall days in January: 5.1 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 January
Montauk, NY

Average sea temperature in January - Montauk, NY
  • Average sea temperature in January: 41.2°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 January /
Average sunshine in January
Montauk, NY

Average daylight in January / Average sunshine in January - Montauk, NY
  • Average daylight in January: 9h and 37min

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 January: 4h and 54min

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 January
Montauk, NY

Average sunshine days in January - Montauk, NY
  • Average sunshine days in January: 14.4 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 January
Montauk, NY

Average UV index in January - Montauk, NY
  • Average UV index in January: 2

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 January
Montauk, NY

Average cloud cover in January - Montauk, NY
  • Average cloud cover in January: 47

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 January
Montauk, NY

Average visibility in January - Montauk, NY
  • Average visibility in January: 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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