December weather forecast
New York, NY

The sunset view over skyscrapers in New York City, USA
The sunset view over skyscrapers in New York City, USA

Weather in December

The first month of the winter, December, is still a cold month in New York, New York, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 42.3°F (5.7°C).

Temperature

In New York, the average high-temperature in December drops from a fresh 51.4°F (10.8°C) in November to a cold 42.3°F (5.7°C). In December, in New York, the average low-temperature is 32.9°F (0.5°C).

Humidity

February and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In New York, New York, during 12.1 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In New York, during the entire year, the rain falls for 169 days and collects up to 36.65" (931mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in New York. In New York, during 3 snowfall days, 1.34" (34mm) of snow is typically accumulated. In New York, during the entire year, snow falls for 19.2 days and aggregates up to 7.8" (198mm) of snow.

Ocean temperature

In New York, the average seawater temperature in December is 47.1°F (8.4°C).
Note: Swimming in 47.1°F (8.4°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 month with the shortest days in New York is December, with an average of 9h and 19min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:29 pm. On the last day of December, in New York, sunrise is at 7:19 am and sunset at 4:38 pm EST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

The months with the lowest UV index in New York, New York, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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. 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 temperature in December in New York?

In New York, in December, the average high-temperature is 42.3°F (5.7°C), and the average low-temperature is 32.9°F (0.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is estimated at 86°F (30°C).

What is the most humid month in New York?

The months with the highest humidity in New York are February and December, with an average relative humidity of 76%.

What is the average humidity in December in New York?

In December, the average relative humidity in New York is 76%.

How much does it rain in New York in December?

In December, the rain falls for 12.1 days. Throughout December, 3.5" (89mm) of precipitation is accumulated.

How much does it snow in New York in December?

In New York, in December, snow falls for 3 days, with typically accumulated 1.34" (34mm) of snow.

What is the water temperature in December in New York?

In December, the average ocean temperature in New York, New York, is 47.1°F (8.4°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 month with the shortest days in New York?

December has the shortest days of the year in New York, with an average of 9h and 19min of daylight.

What is the average length of the day in December in New York?

The average day length in December in New York, New York, is 9h and 19min.

When are sunrise and sunset in December in New York?

On the first day of December in New York, sunrise is at 7:00 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:38 pm EST.

How long on average sun shines in December in New York?

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

What is the month with the lowest UV index in New York?

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

How high is the UV index in December in New York?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
New York, NY

Average temperature in December - New York, NY
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in December
New York, NY

Average pressure in December - New York, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
New York, NY

Average wind speed in December - New York, NY
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in December
New York, NY

Average humidity in December - New York, NY
  • Average humidity in December: 76%

The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in December
New York, NY

Average rainfall in December - New York, NY
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in December
New York, NY

Average rainfall days in December - New York, NY
  • Average rainfall days in December: 12.1 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in December
New York, NY

Average snowfall in December - New York, NY
  • Average snowfall in December: 1.34"

The month with the highest snowfall is March (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
New York, NY

Average snowfall days in December - New York, NY
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (5.8 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 December
New York, NY

Average sea temperature in December - New York, NY
  • Average sea temperature in December: 47.2°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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Average daylight in December /
Average sunshine in December
New York, NY

Average daylight in December / Average sunshine in December - New York, NY
  • Average daylight in December: 9h and 19min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in December: 4h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
New York, NY

Average sunshine days in December - New York, NY
  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is January (17.9 days).
The month with the least sunshine days is June (9.8 days).

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Average UV index in December
New York, NY

Average UV index in December - New York, NY
  • Average UV index in December: 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, November and December (UV index 2).

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Average cloud cover in December
New York, NY

Average cloud cover in December - New York, NY
  • Average cloud cover in December: 47

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
New York, NY

Average visibility in December - New York, NY
  • Average visibility in December: 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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