December weather forecast
Sanford, NC

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Weather in December

Sanford's December indicates the onset of winter, with temperatures reaching as low as 37.8°F (3.2°C). The cold weather is reflected in an increase in snowfall to 0.55" (14mm). Despite the lower temperatures, December experienced an average rainfall of 2.4" (61mm). The year concludes with an increase in cloud cover and shorter daylight hours, indicative of the winter season.

Temperature

The commencement of December indicates a gentle shift in the average high-temperature, receding from November's refreshing 59.7°F (15.4°C) to a fresh 52.7°F (11.5°C). Throughout December, an average low-temperature of 37.8°F (3.2°C) is expected.

Humidity

The most humid month is December, with an average relative humidity of 77%.

Rainfall

In Sanford, during December, the rain falls for 9.6 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Sanford, during the entire year, the rain falls for 151.7 days and collects up to 28.74" (730mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Sanford, in December, during 0.3 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Sanford, North Carolina, during the entire year, snow falls for 3.6 days and aggregates up to 3.43" (87mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December in Sanford, sunrise is at 7:08 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:14 pm EST.

Sunshine

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

December temperatures vary between a high-temperature of 52.7°F (11.5°C) and a low-temperature of 37.8°F (3.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 89.6°F (32°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 77%.

What is the average humidity in December?

The average relative humidity in December is 77%.

How much does it rain in December?

In December, the rain falls for 9.6 days. Throughout December, 2.4" (61mm) of precipitation is accumulated.

How many days does it snow in December in Sanford?

In December, it is snowing for 0.3 days. Throughout December, 0.55" (14mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Sanford have in December?

In December, the average day length is 9h and 49min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:14 pm EST.

What are the months with the least sunshine?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

How many hours of sunshine does Sanford have in December?

In December, the average sunshine duration is 5.5h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In Sanford, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Sanford, NC

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

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (48.6°F).

  • Average low temperature in December: 37.8°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

Average pressure in December
Sanford, NC

Average pressure in December - Sanford, 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).

Average wind speed in December
Sanford, NC

Average wind speed in December - Sanford, NC
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Sanford, NC

Average humidity in December - Sanford, NC
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (72%).

Average rainfall in December
Sanford, NC

Average rainfall in December - Sanford, NC
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is October (1.81").

Average rainfall days in December
Sanford, NC

Average rainfall days in December - Sanford, NC
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Sanford, NC

Average snowfall in December - Sanford, NC
  • Average snowfall in December: 0.55"

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").

Average snowfall days in December
Sanford, NC

Average snowfall days in December - Sanford, NC
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.7 days).
The 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
Sanford, NC

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

The month with the longest days is June (Average daylight: 14h and 30min).
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 months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in December
Sanford, NC

Average sunshine days in December - Sanford, NC
  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (11.7 days).

Average UV index in December
Sanford, NC

Average UV index in December - Sanford, NC
  • Average UV index in December: 2

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

Average cloud cover in December
Sanford, NC

Average cloud cover in December - Sanford, NC
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in December
Sanford, NC

Average visibility in December - Sanford, 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).

Sanford, North Carolina, USA

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