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
As November makes way for December, Cary's average high-temperature eases from a moderate 59.4°F (15.2°C) to a cool 52.3°F (11.3°C). Cary, during the month of December, experiences an average low-temperature of 38.1°F (3.4°C).Humidity
The most humid month in Cary, North Carolina, is December, with an average relative humidity of 76%.Rainfall
In Cary, during December, the rain falls for 10.7 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Cary, there are 161.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Cary. In December, in Cary, it is snowing for 0.8 days. Throughout December, 0.67" (17mm) of snow is accumulated. Throughout the year, in Cary, North Carolina, there are 5.9 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
The month with the shortest days in Cary is December, with an average of 9h and 48min of daylight.On the first day of December in Cary, North Carolina, sunrise is at 7:07 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:11 pm EST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in Cary.UV index
In Cary, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are December temperatures in Cary?
What is the most humid month in Cary?
What is the average humidity in December in Cary?
How many days does it rain in December in Cary?
How much does it snow in Cary in December?
What is the month with the shortest days in Cary?
How many hours of daylight does Cary have in December?
When is the sunrise / sunset in December in Cary?
What is the month with the least sunshine in Cary?
How many hours of sunshine does Cary have in December?
What is the UV index intensity in December in Cary?
Average temperature in December
Cary, NC
- Average high temperature in December: 52.3°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in December
Cary, 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
Cary, NC
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Cary, NC
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Cary, NC
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in December
Cary, NC
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Cary, NC
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cary, 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
Cary, 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 month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Cary, NC
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Cary, NC
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Cary, 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
Cary, 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).
Cary, North Carolina, USA
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