December weather forecast
Newark Valley, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Newark Valley, New York, with an average temperature varying between 34.5°F (1.4°C) and 24.8°F (-4°C).

Temperature

December brings a decrease in the average high-temperature, falling from November's chilly 44.6°F (7°C) to an icy 34.5°F (1.4°C). Throughout December nights, Newark Valley registers an average low-temperature of 24.8°F (-4°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Newark Valley, during December, the rain falls for 11.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Newark Valley, New York, during the entire year, the rain falls for 171.9 days and collects up to 32.09" (815mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Newark Valley, during December, snow falls for 15.4 days and regularly aggregates up to 5.43" (138mm) of snow. Throughout the year, there are 79.3 snowfall days, and 33.46" (850mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:42 pm EST.

Sunshine

The average sunshine in December is 3.1h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily UV index of 1 turns 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. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Jun 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature during December is 34.5°F (1.4°C) and the low-temperature is 24.8°F (-4°C).

What is the average humidity in December?

In December, the average relative humidity is 85%.

How much does it rain in December?

In December, the rain falls for 11.5 days. Throughout December, 2.44" (62mm) of precipitation is accumulated.

How much does it snow in December?

In Newark Valley, during December, snow falls for 15.4 days and regularly aggregates up to 5.43" (138mm) of snow.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Newark Valley have in December?

In Newark Valley, the average day length in December is 9h and 10min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:14 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:42 pm EST.

How long on average sun shines in December?

The average sunshine duration in December in Newark Valley is 3.1h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Newark Valley, New York, the average daily maximum UV index in December is 1. 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
Newark Valley, NY

Average temperature in December - Newark Valley, NY
  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 24.8°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Newark Valley, NY

Average pressure in December - Newark Valley, NY
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Newark Valley, NY

Average wind speed in December - Newark Valley, NY
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Newark Valley, NY

Average humidity in December - Newark Valley, NY
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May, June and July (79%).

Average rainfall in December
Newark Valley, NY

Average rainfall in December - Newark Valley, NY
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (2.13").

Average rainfall days in December
Newark Valley, NY

Average rainfall days in December - Newark Valley, NY
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in December
Newark Valley, NY

Average snowfall in December - Newark Valley, NY
  • Average snowfall in December: 5.43"

The month with the highest snowfall is February (8.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Newark Valley, NY

Average snowfall days in December - Newark Valley, NY
  • Average snowfall days in December: 15.4 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Newark Valley, NY

Average daylight in December / Average sunshine in December - Newark Valley, 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: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).

Average sunshine days in December
Newark Valley, NY

Average sunshine days in December - Newark Valley, NY
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (6 days).

Average UV index in December
Newark Valley, NY

Average UV index in December - Newark Valley, 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 and December (UV index 1).

Average cloud cover in December
Newark Valley, NY

Average cloud cover in December - Newark Valley, NY
  • Average cloud cover in December: 68

The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in December
Newark Valley, NY

Average visibility in December - Newark Valley, NY
  • Average visibility in December: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Newark Valley, New York, USA

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