December weather forecast
Winston-Salem, NC

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Lit skyscrapers and streets seen at dusk in Winston - Salem City, North Carolina
Lit skyscrapers and streets seen at dusk in Winston - Salem City, North Carolina

Weather in December

December marks the peak of the winter season in Winston-Salem, with average temperatures dipping down to highs of 49.8°F (9.9°C) and lows of 35.8°F (2.1°C). The month records one of the highest snowfall measurements of 2.24in, and the highest relative humidity level of 75%. The city experiences the most prolonged nights and shortest daylight hours during this month. Despite the winter season, the city continues to thrive under shorter sunshine hours and lower UV index levels to close out the year on a chilly note.

Temperature

The average high-temperature in Winston-Salem shows a slight dip in December, from November's moderate 57°F (13.9°C) to a frosty 49.8°F (9.9°C). Throughout December, Winston-Salem experiences a low-temperature average of 35.8°F (2.1°C).

Humidity

May and December, with an average relative humidity of 75%, are the most humid months in Winston-Salem.

Rainfall

In Winston-Salem, in December, during 10.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in Winston-Salem, there are 159 rainfall days, and 30.83" (783mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 1 days and typically aggregates up to 2.24" (57mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 7:13 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:16 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Enhance your sun protection with tightly woven, yet airy clothing. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the temperature in December in Winston-Salem?

The high-temperature, in December, in Winston-Salem, is 49.8°F (9.9°C), while the low-temperature averages to 35.8°F (2.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is estimated at 86°F (30°C).

What are the most humid months in Winston-Salem?

The months with the highest humidity in Winston-Salem, North Carolina, are May and December, with an average relative humidity of 75%.

What is the average humidity in December in Winston-Salem?

In December, the average relative humidity in Winston-Salem is 75%.

How many days does it rain in December in Winston-Salem?

In Winston-Salem, in December, during 10.9 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

What is the snowiest month in Winston-Salem?

December is the month with the most snowfall in Winston-Salem. Snow falls for 1 days and accumulates 2.24" (57mm) of snow.

How much does it snow in Winston-Salem in December?

In Winston-Salem, in December, snow falls for 1 days, with typically accumulated 2.24" (57mm) of snow.

What is the month with the shortest days in Winston-Salem?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

How many hours of daylight does Winston-Salem have in December?

In Winston-Salem, North Carolina, the average day length in December is 9h and 45min.

What time are sunrise and sunset in December in Winston-Salem?

On the first day of December, sunrise is at 7:13 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:16 pm EST.

What is the month with the least sunshine in Winston-Salem?

December has the least sunshine of the year in Winston-Salem, North Carolina, with an average of 5.5h of sunshine.

How long on average sun shines in December in Winston-Salem?

The average sunshine duration in December is 5.5h.

What are the months with the lowest UV index in Winston-Salem?

The months with the lowest UV index in Winston-Salem, North Carolina, are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December in Winston-Salem?

In Winston-Salem, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents 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
Winston-Salem, NC

Average temperature in December - Winston-Salem, NC
  • Average high temperature in December: 49.8°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (45.9°F).

  • Average low temperature in December: 35.8°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

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Average pressure in December
Winston-Salem, NC

Average pressure in December - Winston-Salem, NC
  • Average pressure in December: 30.14"Hg

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

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Average wind speed in December
Winston-Salem, NC

Average wind speed in December - Winston-Salem, NC
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in December
Winston-Salem, NC

Average humidity in December - Winston-Salem, NC
  • Average humidity in December: 75%

The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in December
Winston-Salem, NC

Average rainfall in December - Winston-Salem, NC
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is October (2.05").

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Average rainfall days in December
Winston-Salem, NC

Average rainfall days in December - Winston-Salem, NC
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in December
Winston-Salem, NC

Average snowfall in December - Winston-Salem, NC
  • Average snowfall in December: 2.24"

The month with the highest snowfall is December (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Winston-Salem, NC

Average snowfall days in December - Winston-Salem, NC
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Winston-Salem, NC

Average daylight in December / Average sunshine in December - Winston-Salem, NC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Winston-Salem, NC

Average sunshine days in December - Winston-Salem, NC
  • Average sunshine days in December: 18.4 days

The months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in December
Winston-Salem, NC

Average UV index in December - Winston-Salem, NC
  • Average UV index in December: 2

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

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Average cloud cover in December
Winston-Salem, NC

Average cloud cover in December - Winston-Salem, NC
  • Average cloud cover in December: 41

The months with the most cloud cover are February and March (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).

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Average visibility in December
Winston-Salem, NC

Average visibility in December - Winston-Salem, NC
  • Average visibility in December: 6mi

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

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Winston-Salem, North Carolina, USA

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