December weather forecast
Greenboro, NY

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Weather in December

December, the first month of the winter in Greenboro, is still a cold month, with an average temperature varying between 24.4°F (-4.2°C) and 32.9°F (0.5°C).

Temperature

The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a frosty 43.7°F (6.5°C) in November to an icy 32.9°F (0.5°C). Greenboro consistently logs a low temperature averaging a freezing cold 24.4°F (-4.2°C) during December, a modest drop from daytime temperatures.

Humidity

In Greenboro, the average relative humidity in December is 84%.

Rainfall

In December, the rain falls for 10.2 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. In Greenboro, during the entire year, the rain falls for 158.6 days and collects up to 30.39" (772mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Greenboro. December is the month with the most snowfall. Snow falls for 16.4 days and accumulates 9.21" (234mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:17 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:36 pm EST.

Sunshine

In Greenboro, the average sunshine in December is 2.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 1 in December translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold is December in Greenboro?

The average high-temperature and low-temperature in Greenboro during December are 32.9°F (0.5°C) and 24.4°F (-4.2°C) respectively.

What is the average humidity in December in Greenboro?

The average relative humidity in December in Greenboro is 84%.

How many days does it rain in December in Greenboro?

In Greenboro, in December, it is raining for 10.2 days, with typically 2.91" (74mm) of accumulated precipitation.

When does it snow the most in Greenboro?

The month with the most snowfall in Greenboro is December, when snow falls for 16.4 days and typically aggregates up to 9.21" (234mm) of snow.

How many days does it snow in December in Greenboro?

In Greenboro, New York, during December, snow falls for 16.4 days and regularly aggregates up to 9.21" (234mm) of snow.

What is the month with the shortest days in Greenboro?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

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

The average day length in December is 9h and 0min.

When is the sunrise / sunset in December in Greenboro?

In December, on the first day of the month, sunrise is at 7:17 am and sunset at 4:27 pm. On the last day of the month, in Greenboro, New York, sunrise is at 7:36 am and sunset at 4:36 pm EST.

How many hours of sunshine does Greenboro have in December?

In December, the average sunshine duration in Greenboro, New York, is 2.9h.

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

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Greenboro, New York.

What is the UV index intensity in December in Greenboro?

In December, the average daily maximum UV index in Greenboro is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Greenboro, NY

Average temperature in December - Greenboro, NY
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (16°F).

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Average pressure in December
Greenboro, NY

Average pressure in December - Greenboro, NY
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Greenboro, NY

Average wind speed in December - Greenboro, NY
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in December
Greenboro, NY

Average humidity in December - Greenboro, NY
  • Average humidity in December: 84%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and September (77%).

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Average rainfall in December
Greenboro, NY

Average rainfall in December - Greenboro, NY
  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Greenboro, NY

Average rainfall days in December - Greenboro, NY
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is October (17.4 days).
The months with the least rainy days are January and February (7 days).

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Average snowfall in December
Greenboro, NY

Average snowfall in December - Greenboro, NY
  • Average snowfall in December: 9.21"

The month with the highest snowfall is December (9.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Greenboro, NY

Average snowfall days in December - Greenboro, NY
  • Average snowfall days in December: 16.4 days

The month with the highest number of snowfall days is January (19 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
Greenboro, NY

Average daylight in December / Average sunshine in December - Greenboro, NY
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

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Average sunshine days in December
Greenboro, NY

Average sunshine days in December - Greenboro, NY
  • Average sunshine days in December: 7.7 days

The month with the most sunshine days is September (15 days).
The months with the least sunshine days are January and February (7.3 days).

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Average UV index in December
Greenboro, NY

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Greenboro, NY

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

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Greenboro, NY

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

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

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Greenboro, New York, USA

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