December weather forecast
Knightdale, NC

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Weather in December

The first month of the winter, December, is also a fresh month in Knightdale, North Carolina, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 52.7°F (11.5°C).

Temperature

In Knightdale, the average high-temperature in December gently drops from a mild 59.5°F (15.3°C) in November to a fresh 52.7°F (11.5°C). Knightdale experiences an average temperature drop to a cold 38.3°F (3.5°C) during December nights.

Humidity

May, September and December, with an average relative humidity of 77%, are the most humid months in Knightdale.

Rainfall

In Knightdale, in December, it is raining for 11.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Knightdale, there are 168.7 rainfall days, and 33.19" (843mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Knightdale. In Knightdale, during December, snow falls for 0.8 days and regularly aggregates up to 0.47" (12mm) of snow. In Knightdale, during the entire year, snow falls for 5.8 days and aggregates up to 3.82" (97mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Knightdale.
On the first day of December, sunrise is at 7:06 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:10 pm EST.

Sunshine

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

UV index

In December, the average daily maximum UV index in Knightdale, North Carolina, is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What is the usual temperature for Knightdale in December?

The average high-temperature and low-temperature in Knightdale during December are 52.7°F (11.5°C) and 38.3°F (3.5°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 87.8°F (31°C).

What are the most humid months in Knightdale?

May, September and December, with an average relative humidity of 77%, are most humid months in Knightdale, North Carolina.

What is the average humidity in December in Knightdale?

The average relative humidity in December in Knightdale, North Carolina, is 77%.

How many days does it rain in December in Knightdale?

In Knightdale, North Carolina, in December, it is raining for 11.4 days, with typically 2.6" (66mm) of accumulated precipitation.

How many days does it snow in December in Knightdale?

In Knightdale, North Carolina, in December, during 0.8 snowfall days, 0.47" (12mm) of snow is typically accumulated.

What is the month with the shortest days in Knightdale?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

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

In Knightdale, North Carolina, the average day length in December is 9h and 47min.

What time are sunrise and sunset in December in Knightdale?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 5:00 pm. On the last day of the month, in Knightdale, North Carolina, sunrise is at 7:23 am and sunset at 5:10 pm EST.

What is the month with the least sunshine in Knightdale?

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

How long on average sun shines in December in Knightdale?

In Knightdale, the average sunshine duration in December is 5.5h.

What is the UV index reading in December in Knightdale?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Knightdale, NC

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

The warmest month (with the highest average high temperature) is July (88.9°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 (70.7°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

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Average pressure in December
Knightdale, NC

Average pressure in December - Knightdale, 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
Knightdale, NC

Average wind speed in December - Knightdale, NC
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Knightdale, NC

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

The months with the highest relative humidity are May, September and December (77%).
The months with the lowest relative humidity are January and November (73%).

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Average rainfall in December
Knightdale, NC

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

The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is October (2.2").

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Average rainfall days in December
Knightdale, NC

Average rainfall days in December - Knightdale, NC
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in December
Knightdale, NC

Average snowfall in December - Knightdale, NC
  • Average snowfall in December: 0.47"

The month with the highest snowfall is January (1.42").
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
Knightdale, NC

Average snowfall days in December - Knightdale, NC
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (2.3 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
Knightdale, NC

Average daylight in December / Average sunshine in December - Knightdale, 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 June (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
Knightdale, NC

Average sunshine days in December - Knightdale, NC
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in December
Knightdale, NC

Average UV index in December - Knightdale, 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
Knightdale, NC

Average cloud cover in December - Knightdale, 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 31).

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Average visibility in December
Knightdale, NC

Average visibility in December - Knightdale, 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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Knightdale, North Carolina, USA

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