December weather forecast and climate
Mount Airy, NC

Weather in December

December, the first month of the winter, in Mount Airy, is also a frosty month, with average temperature fluctuating between 48.2°F (9°C) and 33.8°F (1°C).

Temperature

In December, the average high-temperature slightly decreases, from a moderate 55.8°F (13.2°C) in November, to a chilly 48.2°F (9°C). The average low-temperature, in December, is 33.8°F (1°C).

Humidity

The most humid month in Mount Airy is December, with an average relative humidity of 76%.

Rainfall

In Mount Airy, it is raining for 10.4 days, with typically 2.8" (71mm) of accumulated precipitation. In Mount Airy, during the entire year, the rain falls for 152.6 days and collects up to 28.31" (719mm) of precipitation.

Snowfall

Months with snowfall in Mount Airy are January through April, November and December. In Mount Airy, during December, snow falls for 1.3 days and regularly aggregates up to 2.32" (59mm) of snow. In Mount Airy, North Carolina, during the entire year, snow falls for 10.1 days, and aggregates up to 8.98" (228mm) of snow.

Daylight

December has the shortest days of the year in Mount Airy, with an average of 9.7h of daylight.

Sunshine

December has the least sunshine of the year, with an average of 5.4h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Airy. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the most humid month in Mount Airy?

The most humid month in Mount Airy is December, with an average relative humidity of 76%.

What is the average humidity in December in Mount Airy?

In Mount Airy, the average relative humidity in December is 76%.

How much does it rain in Mount Airy in December?

In Mount Airy, during December, the rain falls for 10.4 days and regularly aggregates up to 2.8" (71mm) of precipitation.

How many days does it snow in December in Mount Airy?

In Mount Airy, North Carolina, in December, snow falls for 1.3 days, with typically accumulated 2.32" (59mm) of snow.

What is the month with the shortest days in Mount Airy?

The month with the shortest days is December, with an average of 9.7h of daylight.

What is the average length of the day in December in Mount Airy?

In Mount Airy, North Carolina, the average length of the day in December is 9.7h.

What is the month with the least sunshine in Mount Airy?

The month with the least sunshine is December, with an average of 5.4h of sunshine.

How long on average sun shines in December in Mount Airy?

The average sunshine in December in Mount Airy, North Carolina, is 5.4h.

What are the months with the lowest UV index in Mount Airy?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Airy, North Carolina.

What is the UV index intensity in December in Mount Airy?

In December, the average daily maximum UV index in Mount Airy is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Mount Airy, NC

Average temperature in December - Mount Airy, NC
  • Average high temperature in December: 48.2°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in December: 33.8°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in December
Mount Airy, NC

Average pressure in December - Mount Airy, NC
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed in December
Mount Airy, NC

Average wind speed in December - Mount Airy, NC
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Mount Airy, NC

Average humidity in December - Mount Airy, NC
  • Average humidity in December: 76%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in December
Mount Airy, NC

Average rainfall in December - Mount Airy, NC
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in December
Mount Airy, NC

Average rainfall days in December - Mount Airy, NC
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in December
Mount Airy, NC

Average snowfall in December - Mount Airy, NC
  • Average snowfall in December: 2.32"

The month with the highest snowfall is February (2.76").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Mount Airy, NC

Average snowfall days in December - Mount Airy, NC
  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is February (3.8 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
Mount Airy, NC

Average daylight in December / Average sunshine in December - Mount Airy, 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: 5.4h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 5.4h).

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Average sunshine days in December
Mount Airy, NC

Average sunshine days in December - Mount Airy, NC
  • Average sunshine days in December: 18.7 days

Months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in December
Mount Airy, NC

Average UV index in December - Mount Airy, NC
  • Average UV index in December: 2

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

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Average cloud cover in December
Mount Airy, NC

Average cloud cover in December - Mount Airy, NC
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 43).
Months with the least cloud cover are June and July (Cloud cover 29).

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Average visibility in December
Mount Airy, NC

Average visibility in December - Mount Airy, NC
  • Average visibility in December: 6mi

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

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