December weather forecast
Ossining, NY

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Weather in December

December, the first month of the winter in Ossining, is still a cold month, with an average temperature ranging between max 40.1°F (4.5°C) and min 30.2°F (-1°C).

Temperature

The arrival of December corresponds with a shift in temperature, down from a cool 50.4°F (10.2°C) in November to a cold 40.1°F (4.5°C). December nights in Ossining cool down to an average low-temperature of 30.2°F (-1°C).

Humidity

February and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

In December, the rain falls for 9.4 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 144.6 rainfall days, and 25.51" (648mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Ossining. In Ossining, in December, snow falls for 3.2 days, with typically accumulated 1.89" (48mm) of snow. Throughout the year, in Ossining, New York, there are 20.6 snowfall days, and 10.12" (257mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December in Ossining, New York, sunrise is at 7:02 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:36 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

How cold is December in Ossining?

The high-temperature, in December, in Ossining, records 40.1°F (4.5°C), while the low-temperature is 30.2°F (-1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is appraised at 87.8°F (31°C).

What are the most humid months in Ossining?

The months with the highest humidity in Ossining are February and December, with an average relative humidity of 78%.

What is the average humidity in December in Ossining?

The average relative humidity in December in Ossining is 78%.

How much does it rain in Ossining in December?

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

How much does it snow in Ossining in December?

In Ossining, New York, in December, snow falls for 3.2 days, with typically accumulated 1.89" (48mm) of snow.

What is the month with the shortest days in Ossining?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

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

In Ossining, the average day length in December is 9h and 16min.

When are sunrise and sunset in December in Ossining?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:36 pm EST.

How long on average sun shines in December in Ossining?

In December, the average sunshine duration is 4.9h.

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

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

How high is the UV index in December in Ossining?

The average daily maximum UV index in December in Ossining is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
Ossining, NY

Average temperature in December - Ossining, 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
Ossining, NY

Average pressure in December - Ossining, 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
Ossining, NY

Average wind speed in December - Ossining, 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
Ossining, NY

Average humidity in December - Ossining, NY
  • Average humidity in December: 78%

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

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Average rainfall in December
Ossining, NY

Average rainfall in December - Ossining, 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
Ossining, NY

Average rainfall days in December - Ossining, 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
Ossining, NY

Average snowfall in December - Ossining, NY
  • Average snowfall in December: 1.89"

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

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Average snowfall days in December
Ossining, NY

Average snowfall days in December - Ossining, NY
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is February (5.8 days).
The 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
Ossining, NY

Average daylight in December / Average sunshine in December - Ossining, 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
Ossining, NY

Average sunshine days in December - Ossining, NY
  • Average sunshine days in December: 19.5 days

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

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Average UV index in December
Ossining, NY

Average UV index in December - Ossining, 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
Ossining, NY

Average cloud cover in December - Ossining, 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 31).

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Average visibility in December
Ossining, NY

Average visibility in December - Ossining, NY
  • Average visibility in December: 6mi

The 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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Ossining, New York, USA

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