December weather forecast
Raleigh, NC

The George Washington statue overlooking the city buildings of Raleigh, North Carolina
The George Washington statue overlooking the city buildings of Raleigh, North Carolina

Weather in December

December, the first month of the winter in Raleigh, is still a cool month, with an average temperature fluctuating between 52.7°F (11.5°C) and 38.3°F (3.5°C).

Temperature

In December, the average high-temperature marginally drops from a mild 59.7°F (15.4°C) in November to a fresh 52.7°F (11.5°C). The average low-temperature, in Raleigh, North Carolina, is 38.3°F (3.5°C).

Humidity

May, September and December, with an average relative humidity of 76%, are the most humid months in Raleigh.

Rainfall

In Raleigh, North Carolina, in December, it is raining for 11.1 days, with typically 2.6" (66mm) of accumulated precipitation. In Raleigh, during the entire year, the rain falls for 163.2 days and collects up to 32.2" (818mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Raleigh, in December, snow falls for 0.6 days, with typically accumulated 0.39" (10mm) of snow. In Raleigh, during the entire year, snow falls for 5.7 days and aggregates up to 3.82" (97mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 47min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 5:01 pm. On the last day of December, in Raleigh, sunrise is at 7:24 am and sunset at 5:10 pm EST.

Sunshine

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

UV index

In Raleigh, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What are the most humid months in Raleigh?

The months with the highest humidity in Raleigh, North Carolina, are May, September and December, with an average relative humidity of 76%.

What is the average humidity in December in Raleigh?

In Raleigh, North Carolina, the average relative humidity in December is 76%.

How much does it rain in Raleigh in December?

In Raleigh, North Carolina, in December, it is raining for 11.1 days, with typically 2.6" (66mm) of accumulated precipitation.

How many days does it snow in December in Raleigh?

In Raleigh, North Carolina, in December, snow falls for 0.6 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days in Raleigh?

The month with the shortest days in Raleigh, North Carolina, is December, with an average of 9h and 47min of daylight.

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

In Raleigh, the average day length in December is 9h and 47min.

What time are sunrise and sunset in December in Raleigh?

On the first day of December in Raleigh, North Carolina, sunrise is at 7:06 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:10 pm EST.

What is the month with the least sunshine in Raleigh?

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

How many hours of sunshine does Raleigh have in December?

The average sunshine duration in December is 5.5h.

What is the UV index intensity in December in Raleigh?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Raleigh, NC

Average temperature in December - Raleigh, NC
  • Average high temperature in December: 52.7°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

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Average pressure in December
Raleigh, NC

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

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Raleigh, NC

Average wind speed in December - Raleigh, NC
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Raleigh, NC

Average humidity in December - Raleigh, NC
  • Average humidity in December: 76%

The months with the highest relative humidity are May, September and December (76%).
The months with the lowest relative humidity are January, March, April, June, July and November (73%).

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Average rainfall in December
Raleigh, NC

Average rainfall in December - Raleigh, NC
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (2.13").

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Average rainfall days in December
Raleigh, NC

Average rainfall days in December - Raleigh, NC
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (9.1 days).

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Average snowfall in December
Raleigh, NC

Average snowfall in December - Raleigh, NC
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (1.46").
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
Raleigh, NC

Average snowfall days in December - Raleigh, NC
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (2.1 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
Raleigh, NC

Average daylight in December / Average sunshine in December - Raleigh, NC
  • Average daylight in December: 9h and 47min

The month with the longest days is June (Average daylight: 14h and 33min).
The month with the shortest days is December (Average daylight: 9h and 47min).

  • Average sunshine in December: 5h and 30min

The months with the most sunshine are June and 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
Raleigh, NC

Average sunshine days in December - Raleigh, NC
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index in December
Raleigh, NC

Average UV index in December - Raleigh, NC
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in December
Raleigh, NC

Average cloud cover in December - Raleigh, NC
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Raleigh, NC

Average visibility in December - Raleigh, 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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