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 Clayton enters December, the average high-temperature decreases from the a frosty 45.5°F (7.5°C) of November to a cold 34.7°F (1.5°C). The temperature during December nights demonstrates a small drop from the daytime highs, settling to an average of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity is 84%.Rainfall
January and December are months with the least rain when the rain falls for 8.2 days and typically aggregates up to 0.63" (16mm) of rain.Snowfall
Months with snowfall are January through April, November and December. In Clayton, in December, during 9.9 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Clayton, during the entire year, snow falls for 43.7 days and aggregates up to 6.38" (162mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:45 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in December is 3.5h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 1 in December transforms into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Clayton, MI
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Clayton, MI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Clayton, MI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Clayton, MI
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are March, April and October (77%).
Average rainfall in December
Clayton, MI
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (1.65").
The driest months (with the least rainfall) are January and December (0.63").
Average rainfall days in December
Clayton, MI
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Clayton, MI
- Average snowfall in December: 0.83"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Clayton, MI
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is January (12.2 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, MI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Clayton, MI
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Clayton, MI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Clayton, MI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Clayton, MI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, August and September (5mi).
Clayton, Michigan, USA
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