December weather forecast
Jefferson Heights, NY

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Weather in December

December, the first month of the winter in Jefferson Heights, is also an icy month, with an average temperature ranging between max 34.9°F (1.6°C) and min 24.1°F (-4.4°C).

Temperature

Jefferson Heights in December demonstrates a small temperature transition, adjusting from an average high of a frosty 45.1°F (7.3°C) in November to a wintry 34.9°F (1.6°C). Throughout December, an average low-temperature of 24.1°F (-4.4°C) is experienced.

Humidity

The months with the highest humidity in Jefferson Heights are February and December, with an average relative humidity of 83%.

Rainfall

In Jefferson Heights, in December, it is raining for 13.5 days, with typically 2.91" (74mm) of accumulated precipitation. In Jefferson Heights, during the entire year, the rain falls for 174.8 days and collects up to 33.46" (850mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Jefferson Heights. In December, in Jefferson Heights, it is snowing for 13.6 days. Throughout December, 9.13" (232mm) of snow is accumulated. In Jefferson Heights, during the entire year, snow falls for 70.1 days and aggregates up to 51.18" (1300mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:24 pm. On the last day of December, in Jefferson Heights, sunrise is at 7:24 am and sunset at 4:33 pm EST.

Sunshine

The average sunshine in December in Jefferson Heights is 4.9h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Jefferson Heights, New York. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

How cold is it in Jefferson Heights in December?

The average high-temperature, in December, in Jefferson Heights, is 34.9°F (1.6°C), while the average low-temperature is 24.1°F (-4.4°C).

What are the most humid months in Jefferson Heights?

February and December, with an average relative humidity of 83%, are most humid months in Jefferson Heights, New York.

What is the average humidity in December in Jefferson Heights?

The average relative humidity in December in Jefferson Heights, New York, is 83%.

How many days does it rain in December in Jefferson Heights?

In Jefferson Heights, New York, in December, during 13.5 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

How much does it snow in Jefferson Heights in December?

In December, in Jefferson Heights, New York, it is snowing for 13.6 days. Throughout December, 9.13" (232mm) of snow is accumulated.

What is the month with the shortest days in Jefferson Heights?

The month with the shortest days in Jefferson Heights is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Jefferson Heights have in December?

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

When is the sunrise / sunset in December in Jefferson Heights?

On the first day of December in Jefferson Heights, New York, sunrise is at 7:05 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:33 pm EST.

How many hours of sunshine does Jefferson Heights have in December?

In December, the average sunshine duration is 4.9h.

What are the months with the lowest UV index in Jefferson Heights?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December in Jefferson Heights?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Jefferson Heights, NY

Average temperature in December - Jefferson Heights, NY
  • Average high temperature in December: 34.9°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in December
Jefferson Heights, NY

Average pressure in December - Jefferson Heights, NY
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Jefferson Heights, NY

Average wind speed in December - Jefferson Heights, NY
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Jefferson Heights, NY

Average humidity in December - Jefferson Heights, NY
  • Average humidity in December: 83%

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April, June and July (76%).

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Average rainfall in December
Jefferson Heights, NY

Average rainfall in December - Jefferson Heights, NY
  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Jefferson Heights, NY

Average rainfall days in December - Jefferson Heights, NY
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (10 days).

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Average snowfall in December
Jefferson Heights, NY

Average snowfall in December - Jefferson Heights, NY
  • Average snowfall in December: 9.13"

The month with the highest snowfall is February (11.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Jefferson Heights, NY

Average snowfall days in December - Jefferson Heights, NY
  • Average snowfall days in December: 13.6 days

The month with the highest number of snowfall days is February (15.8 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
Jefferson Heights, NY

Average daylight in December / Average sunshine in December - Jefferson Heights, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • 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 18min).

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Average sunshine days in December
Jefferson Heights, NY

Average sunshine days in December - Jefferson Heights, NY
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is April (9.8 days).

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Average UV index in December
Jefferson Heights, NY

Average UV index in December - Jefferson Heights, NY
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Jefferson Heights, NY

Average cloud cover in December - Jefferson Heights, NY
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in December
Jefferson Heights, NY

Average visibility in December - Jefferson Heights, NY
  • Average visibility in December: 5mi

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

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Jefferson Heights, New York, USA

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