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
Welcoming December, Clayton observes a shift in the average high-temperature, falling from November's refreshing 60.3°F (15.7°C) to a fresh 50.9°F (10.5°C). In December, in Clayton, the average low-temperature is an icy 35.6°F (2°C).Humidity
In December, the average relative humidity is 75%.Rainfall
In Clayton, in December, during 9.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 149.4 rainfall days, and 34.29" (871mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Clayton, in December, during 0.7 snowfall days, 0.28" (7mm) of snow is typically accumulated. Throughout the year, there are 4.8 snowfall days, and 1.77" (45mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:21 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
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 Clayton have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Clayton have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Clayton, OK
- Average high temperature in December: 50.9°F
The warmest months (with the highest average high temperature) are July and August (92.1°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in December: 35.6°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 (32.5°F).
Average pressure in December
Clayton, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Clayton, OK
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Clayton, OK
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Clayton, OK
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Clayton, OK
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Clayton, OK
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Clayton, OK
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.8 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, OK
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Clayton, OK
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in December
Clayton, OK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Clayton, OK
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Clayton, OK
- 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, Oklahoma, USA
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