December weather forecast
Knoxboro, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Knoxboro, New York, with an average temperature fluctuating between 24.3°F (-4.3°C) and 33.3°F (0.7°C).

Temperature

The arrival of December signals a shift in temperature, down from a frosty 43.7°F (6.5°C) in November to an icy 33.3°F (0.7°C). The temperature in Knoxboro during December sees a subtle transition from day to night, averaging a low of 24.3°F (-4.3°C).

Humidity

In Knoxboro, the average relative humidity in December is 86%.

Rainfall

In December, in Knoxboro, the rain falls for 9.1 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 161.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Knoxboro. In Knoxboro, New York, during December, snow falls for 15.9 days and regularly aggregates up to 10.2" (259mm) of snow. In Knoxboro, during the entire year, snow falls for 88.2 days and aggregates up to 50.98" (1295mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:28 pm. On the last day of December, in Knoxboro, sunrise is at 7:33 am and sunset at 4:37 pm EST.

Sunshine

The average sunshine in December is 3h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 1 during December leads to these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

How cold is it in Knoxboro in December?

In Knoxboro, 33.3°F (0.7°C) is the average high-temperature and 24.3°F (-4.3°C) is the average low-temperature during December.

What is the average humidity in December in Knoxboro?

The average relative humidity in December in Knoxboro, New York, is 86%.

How much does it rain in Knoxboro in December?

In Knoxboro, in December, during 9.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

How many days does it snow in December in Knoxboro?

In Knoxboro, New York, during December, snow falls for 15.9 days and regularly aggregates up to 10.2" (259mm) of snow.

What is the month with the shortest days in Knoxboro?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Knoxboro.

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

In Knoxboro, the average day length in December is 9h and 4min.

When is the sunrise / sunset in December in Knoxboro?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:37 pm EST.

How long on average sun shines in December in Knoxboro?

In Knoxboro, the average sunshine duration in December is 3h.

What are the months with the lowest UV index in Knoxboro?

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Knoxboro.

What is the UV index intensity in December in Knoxboro?

In December, the average daily maximum UV index in Knoxboro is 1. A UV Index reading of 2, and below, represents 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
Knoxboro, NY

Average temperature in December - Knoxboro, NY
  • Average high temperature in December: 33.3°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 24.3°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in December
Knoxboro, NY

Average pressure in December - Knoxboro, 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 (29.92"Hg).

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Average wind speed in December
Knoxboro, NY

Average wind speed in December - Knoxboro, NY
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Knoxboro, NY

Average humidity in December - Knoxboro, NY
  • Average humidity in December: 86%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).

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Average rainfall in December
Knoxboro, NY

Average rainfall in December - Knoxboro, NY
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is September (2.32").

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Average rainfall days in December
Knoxboro, NY

Average rainfall days in December - Knoxboro, NY
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in December
Knoxboro, NY

Average snowfall in December - Knoxboro, NY
  • Average snowfall in December: 10.2"

The month with the highest snowfall is February (10.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Knoxboro, NY

Average snowfall days in December - Knoxboro, NY
  • Average snowfall days in December: 15.9 days

The month with the highest number of snowfall days is January (19.2 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
Knoxboro, NY

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

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Average sunshine days in December
Knoxboro, NY

Average sunshine days in December - Knoxboro, NY
  • Average sunshine days in December: 9.2 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (6.7 days).

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Average UV index in December
Knoxboro, NY

Average UV index in December - Knoxboro, NY
  • Average UV index in December: 1

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 and December (UV index 1).

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Average cloud cover in December
Knoxboro, NY

Average cloud cover in December - Knoxboro, NY
  • Average cloud cover in December: 70

The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 35).

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Average visibility in December
Knoxboro, NY

Average visibility in December - Knoxboro, NY
  • Average visibility in December: 5mi

The month with the highest visibility is October (6mi).
The months with the lowest visibility are January and February (4mi).

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Knoxboro, New York, USA

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