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
With the arrival of December, Clayton experiences a modest decline in average high-temperatures, transitioning from a moderate 59.9°F (15.5°C) in November to a cool 52.7°F (11.5°C). An average nighttime temperature of 38.7°F (3.7°C) is observed in Clayton, North Carolina, during December.Humidity
In Clayton, North Carolina, the average relative humidity in December is 76%.Rainfall
In Clayton, North Carolina, in December, it is raining for 9.3 days, with typically 1.02" (26mm) of accumulated precipitation. In Clayton, during the entire year, the rain falls for 131 days and collects up to 13.9" (353mm) of precipitation.Snowfall
Months with snowfall in Clayton are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Clayton, during the entire year, snow falls for 3.3 days and aggregates up to 0.94" (24mm) 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 Clayton, North Carolina, sunrise is at 7:05 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
January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Clayton, North Carolina.UV index
In Clayton, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 3 in December suggests the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Clayton?
What is the average humidity in December in Clayton?
How many days does it rain in December in Clayton?
When does it start to snow in Clayton?
What is the month with the shortest days in Clayton?
What is the average length of the day in December in Clayton?
When is the sunrise / sunset in December in Clayton?
What are the months with the least sunshine in Clayton?
How long on average sun shines in December in Clayton?
What is the UV index reading in December in Clayton?
Average temperature in December
Clayton, NC
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in December: 38.7°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Clayton, NC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Clayton, NC
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Clayton, NC
- Average humidity in December: 76%
The months with the highest relative humidity are May, August and September (77%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in December
Clayton, NC
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Clayton, NC
- Average rainfall days in December: 9.3 days
The months with the highest number of rainy days are July and August (15.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Clayton, NC
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Clayton, NC
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.3 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
Clayton, 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 months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Clayton, NC
- Average sunshine days in December: 20.3 days
The months with the most sunshine days are October and November (22.1 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Clayton, 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
Clayton, NC
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Clayton, 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).
Clayton, North Carolina, USA
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