December weather forecast and climate
Montauk Beach, NY

The first month of the winter, December, is also a frosty month in Montauk Beach, New York, with average temperature ranging between max 45°F (7.2°C) and min 37.9°F (3.3°C).

Temperature

In Montauk Beach, the average high-temperature in December slightly decreases, from a cool 52.5°F (11.4°C) in November, to a chilly 45°F (7.2°C). In Montauk Beach, in December, the average low-temperature is 37.9°F (3.3°C).

Humidity

In December, the average relative humidity is 74%.

Rainfall

The month with the most rainfall is December when the rain falls for 13.4 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

Months with snowfall are January through April and December. December is the first month it typically snows. Throughout December, in the average 2.6 snowfall days, it receives 0.75" (19mm) of snow. In Montauk Beach, during the entire year, snow falls for 15.2 days, and aggregates up to 6.14" (156mm) of snow.

Daylight

With an average of 9.3h of daylight, December has the shortest days of the year in Montauk Beach, New York.

Sunshine

With an average of 4.7h of sunshine, December has the least sunshine of the year.

UV index

Months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Montauk Beach?

In Montauk Beach, in December, the average high-temperature is 45°F (7.2°C), and the average low-temperature is 37.9°F (3.3°C).

What is the average humidity in December in Montauk Beach?

In December, the average relative humidity in Montauk Beach, New York, is 74%.

How many days does it rain in December in Montauk Beach?

In Montauk Beach, New York, during December, the rain falls for 13.4 days and regularly aggregates up to 4.02" (102mm) of precipitation.

What is the rainiest month in Montauk Beach?

The month with the most rainfall in Montauk Beach, New York, is December when the rain falls for 13.4 days and typically aggregates up to 4.02" (102mm) of precipitation.

When does it start to snow in Montauk Beach?

December is the first month it typically snows in Montauk Beach, New York. Throughout December, in the average 2.6 snowfall days, it receives 0.75" (19mm) of snow.

What is the month with the shortest days in Montauk Beach?

With an average of 9.3h of daylight, December has the shortest days of the year in Montauk Beach, New York.

How many hours of daylight does Montauk Beach have in December?

In Montauk Beach, the average length of the day in December is 9.3h.

What is the month with the least sunshine in Montauk Beach?

The month with the least sunshine in Montauk Beach, New York, is December, with an average of 4.7h of sunshine.

How long on average sun shines in December in Montauk Beach?

The average sunshine in December is 4.7h.

When is the lowest UV index in Montauk Beach?

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Montauk Beach, New York.

What is the UV index reading in December in Montauk Beach?

The average daily maximum UV index in December in Montauk Beach is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - Montauk Beach, NY
  • Average high temperature in December: 45°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 December: 37.9°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 December - Montauk Beach, NY
  • Average pressure in December: 30.05"

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

Average wind speed in December - Montauk Beach, NY
  • Average wind speed in December: 16.3mph

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 December - Montauk Beach, NY
  • Average humidity in December: 74%

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

Average rainfall in December - Montauk Beach, NY
  • Average rainfall in December: 4.02"

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 December - Montauk Beach, NY
  • Average rainfall days in December: 13.4 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 December - Montauk Beach, NY
  • Average snowfall in December: 0.75"

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

Average snowfall days in December - Montauk Beach, NY
  • Average snowfall days in December: 2.6 days

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

Average daylight in December / Average sunshine in December - Montauk Beach, NY
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4.7h

The month with the most sunshine is August (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 4.7h).

Average sunshine days in December - Montauk Beach, NY
  • Average sunshine days in December: 13.7 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 December - Montauk Beach, NY
  • Average UV index in December: 2

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

Average cloud cover in December - Montauk Beach, NY
  • Average cloud cover in December: 50

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 December - Montauk Beach, NY
  • Average visibility in December: 6mi

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