December weather forecast and climate
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
December, the first month of the winter, in Raleigh, is still a cool month, with average temperature ranging between max 52.7°F (11.5°C) and min 38.3°F (3.5°C).

Temperature

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

Humidity

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

Rainfall

In Raleigh, during 11.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. 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 December, it is snowing for 0.6 days. Throughout December, 0.39" (10mm) of snow is accumulated. Throughout the year, there are 5.7 snowfall days, and 3.82" (97mm) of snow is accumulated.

Daylight

With an average of 9.8h of daylight, December has the shortest days of the year in Raleigh.

Sunshine

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

UV index

In December, the average daily maximum UV index in Raleigh is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in December in Raleigh?

In Raleigh, North Carolina, in December, the average high-temperature is 52.7°F (11.5°C), and the average low-temperature is 38.3°F (3.5°C).

What are the most humid months in Raleigh?

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

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, during December, the rain falls for 11.1 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How many days does it snow in December in Raleigh?

In December, in Raleigh, North Carolina, it is snowing for 0.6 days. Throughout December, 0.39" (10mm) of snow is accumulated.

What is the month with the shortest days in Raleigh?

With an average of 9.8h of daylight, December has the shortest days of the year in Raleigh, North Carolina.

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

The average length of the day in December is 9.8h.

What is the month with the least sunshine in Raleigh?

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

How many hours of sunshine does Raleigh have in December?

In December, the average sunshine in Raleigh, North Carolina, is 5.5h.

What is the UV index intensity in December in Raleigh?

In December, the average daily maximum UV index in Raleigh, North Carolina, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.
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).

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

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

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).

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

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

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").

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).

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

The month with the highest snowfall is January (1.46").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Raleigh, NC
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 5.5h

Months with the most sunshine are June and July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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).

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

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).

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).

Average visibility in December - Raleigh, 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).