December weather forecastClayton, KS
December
Weather in December
December, the first month of the winter in Clayton, is also a wintry month, with an average temperature varying between 24.6°F (-4.1°C) and 40.1°F (4.5°C).Temperature
December's onset brings a slight change in high-temperatures, falling from a cool 53.2°F (11.8°C) in November to an icy 40.1°F (4.5°C). The low-temperature average for Clayton during December stands at a freezing cold 24.6°F (-4.1°C).Humidity
In Clayton, the average relative humidity in December is 68%.Rainfall
In Clayton, in December, during 3.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Clayton, during the entire year, the rain falls for 109.1 days and collects up to 17.01" (432mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Clayton, in December, during 4.1 snowfall days, 2.2" (56mm) of snow is typically accumulated. Throughout the year, there are 23.7 snowfall days, and 10.31" (262mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:43 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:26 pm CST.
Sunshine
With an average of 6.1h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clayton, KS
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Clayton, KS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Clayton, KS
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in December
Clayton, KS
- Average humidity in December: 68%
The month with the highest relative humidity is January (69%).
The month with the lowest relative humidity is July (54%).
Average rainfall in December
Clayton, KS
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Clayton, KS
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are February and December (3.5 days).
Average snowfall in December
Clayton, KS
- Average snowfall in December: 2.2"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clayton, KS
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clayton, KS
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 6h and 6min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Clayton, KS
- Average sunshine days in December: 24 days
The month with the most sunshine days is December (24 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in December
Clayton, KS
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Clayton, KS
- Average cloud cover in December: 32
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 20).
Average visibility in December
Clayton, KS
- 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).





