Raleigh
North Carolina, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Raleigh, NC

A view of the George Washington statue overlooking the city buildings of Raleigh, North Carolina
A view of the George Washington statue overlooking the city buildings of Raleigh, North Carolina
The first month of the winter, December, is also a fresh month in Raleigh, North Carolina, with average temperature varying between 52.7°F (11.5°C) and 38.3°F (3.5°C).

Temperature

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

Humidity

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

Rainfall

In Raleigh, in December, 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

January through March, November and December are months with snowfall. In December, in Raleigh, it is snowing for 0.6 days. Throughout December, 0.39" (10mm) of snow is accumulated. 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 in Raleigh is December, with an average of 9.8h of daylight.

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 medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

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?

Months with the highest humidity are May, September and December, with an average relative humidity of 76%.

What is the average humidity in December in Raleigh?

The average relative humidity in December is 76%.

How much does it rain in Raleigh in December?

In Raleigh, in December, during 11.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

How much does it snow in Raleigh in December?

In Raleigh, in December, during 0.6 snowfall days, 0.39" (10mm) of snow is typically accumulated.

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 9.8h of daylight.

How many hours of daylight does Raleigh have in December?

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

What is the month with the least sunshine in Raleigh?

The month with the least sunshine in Raleigh is December, with an average of 5.5h of sunshine.

How many hours of sunshine does Raleigh have in December?

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

How high is the UV index in December in Raleigh?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in December - Raleigh, NC
  • Average high temperature in December: 11.5°C

The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in December: 3.5°C

The month with the highest average low temperature is July (21.7°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).

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: 66mm

The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the lowest rainfall) is October (54mm).

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 lowest number of rainy days is November (9.1 days).

Average snowfall in December - Raleigh, NC
  • Average snowfall in December: 10mm

The month with the highest snowfall is January (37mm).
Months with the lowest snowfall are April, May, June, July, August, September and October (0mm).

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 lowest number of 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 shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 5.5h

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

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).