December weather forecast and climate
Briarcliff Manor, NY

Weather in December

December, the first month of the winter, in Briarcliff Manor, is still a cold month, with average temperature fluctuating between 40.1°F (4.5°C) and 30.2°F (-1°C).

Temperature

In December, the average high-temperature drops, from a fresh 50.4°F (10.2°C) in November, to a cold 40.1°F (4.5°C). In December, in Briarcliff Manor, New York, the average low-temperature is 30.2°F (-1°C).

Humidity

Months with the highest humidity in Briarcliff Manor are February and December, with an average relative humidity of 78%.

Rainfall

In December, the rain falls for 9.4 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. In Briarcliff Manor, during the entire year, the rain falls for 144.6 days and collects up to 25.51" (648mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Briarcliff Manor, during December, snow falls for 3.2 days and regularly aggregates up to 1.89" (48mm) of snow. In Briarcliff Manor, during the entire year, snow falls for 20.6 days, and aggregates up to 10.12" (257mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9.3h of daylight.

Sunshine

In December, the average sunshine in Briarcliff Manor is 4.9h.

UV index

Months with the lowest UV index 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 health risk from unsafe exposure to the UV radiation for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
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 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Briarcliff Manor?

In December, in Briarcliff Manor, the average high-temperature is 40.1°F (4.5°C), and the average low-temperature is 30.2°F (-1°C).

What are the most humid months in Briarcliff Manor?

Months with the highest humidity in Briarcliff Manor, New York, are February and December, with an average relative humidity of 78%.

What is the average humidity in December in Briarcliff Manor?

In December, the average relative humidity in Briarcliff Manor is 78%.

How many days does it rain in December in Briarcliff Manor?

In Briarcliff Manor, New York, in December, during 9.4 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

How much does it snow in Briarcliff Manor in December?

In December, in Briarcliff Manor, New York, it is snowing for 3.2 days. Throughout December, 1.89" (48mm) of snow is accumulated.

What is the month with the shortest days in Briarcliff Manor?

With an average of 9.3h of daylight, December has the shortest days of the year in Briarcliff Manor.

What is the average length of the day in December in Briarcliff Manor?

In Briarcliff Manor, New York, the average length of the day in December is 9.3h.

How many hours of sunshine does Briarcliff Manor have in December?

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

What is the month with the lowest UV index in Briarcliff Manor?

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

What is the UV index reading in December in Briarcliff Manor?

In December, the average daily maximum UV index in Briarcliff Manor, New York, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in December
Briarcliff Manor, NY

Average temperature in December - Briarcliff Manor, NY
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in December
Briarcliff Manor, NY

Average pressure in December - Briarcliff Manor, NY
  • Average pressure in December: 30.07"

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

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Average wind speed in December
Briarcliff Manor, NY

Average wind speed in December - Briarcliff Manor, NY
  • Average wind speed in December: 7.5mph

The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Briarcliff Manor, NY

Average humidity in December - Briarcliff Manor, NY
  • Average humidity in December: 78%

Months with the highest relative humidity are February and December (78%).
Months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in December
Briarcliff Manor, NY

Average rainfall in December - Briarcliff Manor, NY
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is February (1.5").

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Average rainfall days in December
Briarcliff Manor, NY

Average rainfall days in December - Briarcliff Manor, NY
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (6 days).

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Average snowfall in December
Briarcliff Manor, NY

Average snowfall in December - Briarcliff Manor, NY
  • Average snowfall in December: 1.89"

The month with the highest snowfall is March (3.31").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Briarcliff Manor, NY

Average snowfall days in December - Briarcliff Manor, NY
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is February (5.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Briarcliff Manor, NY

Average daylight in December / Average sunshine in December - Briarcliff Manor, 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: 4.9h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in December
Briarcliff Manor, NY

Average sunshine days in December - Briarcliff Manor, NY
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is November (20 days).
Months with the least sunshine days are June and July (12.3 days).

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Average UV index in December
Briarcliff Manor, NY

Average UV index in December - Briarcliff Manor, 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, November and December (UV index 2).

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Average cloud cover in December
Briarcliff Manor, NY

Average cloud cover in December - Briarcliff Manor, NY
  • Average cloud cover in December: 48

Months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Briarcliff Manor, NY

Average visibility in December - Briarcliff Manor, NY
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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