December weather forecast
Scarsdale, NY

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Weather in December

December, the first month of the winter in Scarsdale, is also an icy month, with an average temperature fluctuating between 41.5°F (5.3°C) and 31.8°F (-0.1°C).

Temperature

In December, the average high-temperature goes from a cool 50.5°F (10.3°C) in November to a wintry 41.5°F (5.3°C). Scarsdale's temperature lowers to a mean of 31.8°F (-0.1°C) during the nights in December.

Humidity

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

Rainfall

December is the month with the most rainfall in Scarsdale. Rain falls for 12 days and accumulates 3.98" (101mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Scarsdale, in December, during 4.7 snowfall days, 2.32" (59mm) of snow is typically accumulated. Throughout the year, in Scarsdale, there are 27.1 snowfall days, and 13.07" (332mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:37 pm EST.

Sunshine

In Scarsdale, the average sunshine in December is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Scarsdale. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

How cold is it in Scarsdale in December?

The average high-temperature, in December, in Scarsdale, is 41.5°F (5.3°C), while the average low-temperature is 31.8°F (-0.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is calculated to be 84.2°F (29°C).

What is the most humid month in Scarsdale?

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

What is the average humidity in December in Scarsdale?

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

What is the rainiest month in Scarsdale?

The month with the most rainfall in Scarsdale, New York, is December, when the rain falls for 12 days and typically aggregates up to 3.98" (101mm) of precipitation.

How much does it rain in Scarsdale in December?

In Scarsdale, New York, during December, the rain falls for 12 days and regularly aggregates up to 3.98" (101mm) of precipitation.

How much does it snow in Scarsdale in December?

In Scarsdale, in December, during 4.7 snowfall days, 2.32" (59mm) of snow is typically accumulated.

What is the month with the shortest days in Scarsdale?

December has the shortest days of the year in Scarsdale, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Scarsdale?

The average day length in December is 9h and 17min.

When is the sunrise / sunset in December in Scarsdale?

On the first day of December in Scarsdale, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:37 pm EST.

How many hours of sunshine does Scarsdale have in December?

In December, the average sunshine duration is 4.9h.

What is the month with the lowest UV index in Scarsdale?

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

What is the UV index reading in December in Scarsdale?

The average daily maximum UV index in December in Scarsdale is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Scarsdale, NY

Average temperature in December - Scarsdale, NY
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 31.8°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in December
Scarsdale, NY

Average pressure in December - Scarsdale, 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
Scarsdale, NY

Average wind speed in December - Scarsdale, NY
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in December
Scarsdale, NY

Average humidity in December - Scarsdale, NY
  • Average humidity in December: 76%

The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April and August (71%).

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Average rainfall in December
Scarsdale, NY

Average rainfall in December - Scarsdale, NY
  • Average rainfall in December: 3.98"

The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (2.2").

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Average rainfall days in December
Scarsdale, NY

Average rainfall days in December - Scarsdale, NY
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in December
Scarsdale, NY

Average snowfall in December - Scarsdale, NY
  • Average snowfall in December: 2.32"

The month with the highest snowfall is March (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Scarsdale, NY

Average snowfall days in December - Scarsdale, NY
  • Average snowfall days in December: 4.7 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Scarsdale, NY

Average daylight in December / Average sunshine in December - Scarsdale, NY
  • Average daylight in December: 9h and 2min

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 December: 4h and 5min

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
Scarsdale, NY

Average sunshine days in December - Scarsdale, NY
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in December
Scarsdale, NY

Average UV index in December - Scarsdale, 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
Scarsdale, NY

Average cloud cover in December - Scarsdale, NY
  • Average cloud cover in December: 48

The 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 30).

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Average visibility in December
Scarsdale, NY

Average visibility in December - Scarsdale, 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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Scarsdale, New York, USA

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