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
In December, the average high-temperature decreases from a frosty 49.1°F (9.5°C) in November to a wintry 38.3°F (3.5°C). An average low-temperature of 27.7°F (-2.4°C) is recorded in the month of December in Clayton.Humidity
In December, the average relative humidity is 82%.Rainfall
In Clayton, in December, it is raining for 7.5 days, with typically 1.14" (29mm) of accumulated precipitation. In Clayton, during the entire year, the rain falls for 140.6 days and collects up to 18.46" (469mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall in Clayton is December, when snow falls for 5.9 days and typically aggregates up to 1.65" (42mm) of snow.Daylight
December has the shortest days of the year in Clayton, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:48 am and sunset at 5:22 pm. On the last day of December, sunrise is at 8:06 am and sunset at 5:31 pm EST.
Sunshine
In December, the average sunshine in Clayton is 4.2h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Clayton?
What is the average humidity in December in Clayton?
How many days does it rain in December in Clayton?
When does it snow the most in Clayton?
How much does it snow in Clayton in December?
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?
How long on average sun shines in December in Clayton?
When is the lowest UV index in Clayton?
What is the UV index reading in December in Clayton?
Average temperature in December
Clayton, IN
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Clayton, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Clayton, IN
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Clayton, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Clayton, IN
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Clayton, IN
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Clayton, IN
- Average snowfall in December: 1.65"
The month with the highest snowfall is December (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Clayton, IN
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clayton, IN
- Average daylight in December: 9h and 2min
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: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Clayton, IN
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Clayton, IN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Clayton, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Clayton, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Clayton, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location