Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding 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 wintry 38.3°F (3.5°C) during December nights.Humidity
The months with the highest humidity are May, September and December, with an average relative humidity of 77%.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 2.6" (66mm) of precipitation is accumulated. Throughout the year, 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 December, snow falls for 0.8 days, with typically accumulated 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
The month with the shortest days is December, with an average of 9h and 48min of daylight.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
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 in December translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Knightdale?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Knightdale have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the UV index intensity in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Knightdale, North Carolina, USA
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