December weather forecast and climate
Gretna Green, NC

Weather in December

The first month of the winter, December, is still a cool month in Gretna Green, North Carolina, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 51.4°F (10.8°C).

Temperature

In Gretna Green, the average high-temperature in December marginally drops, from a mild 58.5°F (14.7°C) in November, to a fresh 51.4°F (10.8°C). In Gretna Green, North Carolina, the average low-temperature is 37.2°F (2.9°C).

Humidity

In Gretna Green, the average relative humidity is 78%.

Rainfall

In Gretna Green, in December, it is raining for 11.3 days, with typically 2.17" (55mm) of accumulated precipitation. In Gretna Green, North Carolina, during the entire year, the rain falls for 156.2 days and collects up to 27.6" (701mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, in Gretna Green, it is snowing for 0.9 days. Throughout December, 0.51" (13mm) of snow is accumulated. Throughout the year, in Gretna Green, there are 6.4 snowfall days, and 3.23" (82mm) of snow is accumulated.

Daylight

With an average of 9.7h of daylight, December has the shortest days of the year.

Sunshine

January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Gretna Green.

UV index

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Gretna Green?

In Gretna Green, in December, the average high-temperature is 51.4°F (10.8°C), and the average low-temperature is 37.2°F (2.9°C).

What is the average humidity in December in Gretna Green?

In Gretna Green, North Carolina, the average relative humidity in December is 78%.

How much does it rain in Gretna Green in December?

In Gretna Green, North Carolina, in December, during 11.3 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

How much does it snow in Gretna Green in December?

In Gretna Green, in December, during 0.9 snowfall days, 0.51" (13mm) of snow is typically accumulated.

What is the month with the shortest days in Gretna Green?

With an average of 9.7h of daylight, December has the shortest days of the year in Gretna Green, North Carolina.

How many hours of daylight does Gretna Green have in December?

The average length of the day in December in Gretna Green, North Carolina, is 9.7h.

What is the month with the least sunshine in Gretna Green?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Gretna Green, North Carolina.

How long on average sun shines in December in Gretna Green?

In Gretna Green, the average sunshine in December is 5.5h.

How high is the UV index in December in Gretna Green?

In Gretna Green, North Carolina, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in December
Gretna Green, NC

Average temperature in December - Gretna Green, NC
  • Average high temperature in December: 51.4°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).

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Average pressure in December
Gretna Green, NC

Average pressure in December - Gretna Green, NC
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in December
Gretna Green, NC

Average wind speed in December - Gretna Green, NC
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Gretna Green, NC

Average humidity in December - Gretna Green, NC
  • Average humidity in December: 78%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are January, April, July and November (74%).

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Average rainfall in December
Gretna Green, NC

Average rainfall in December - Gretna Green, NC
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is October (1.85").

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Average rainfall days in December
Gretna Green, NC

Average rainfall days in December - Gretna Green, NC
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall in December
Gretna Green, NC

Average snowfall in December - Gretna Green, NC
  • Average snowfall in December: 0.51"

The month with the highest snowfall is February (1.3").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Gretna Green, NC

Average snowfall days in December - Gretna Green, NC
  • Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is February (2.6 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Gretna Green, NC

Average daylight in December / Average sunshine in December - Gretna Green, NC
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 5.5h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
Months with the least sunshine are January and December (Average sunshine: 5.5).

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Average sunshine days in December
Gretna Green, NC

Average sunshine days in December - Gretna Green, NC
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in December
Gretna Green, NC

Average UV index in December - Gretna Green, NC
  • Average UV index in December: 3

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in December
Gretna Green, NC

Average cloud cover in December - Gretna Green, NC
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 44).
Months with the least cloud cover are June and July (Cloud cover 31).

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Average visibility in December
Gretna Green, NC

Average visibility in December - Gretna Green, NC
  • Average visibility in December: 6mi

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

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