December weather forecastClayton, ID
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Clayton, Idaho, with an average temperature varying between 8.6°F (-13°C) and 26.1°F (-3.3°C).Temperature
Clayton, Idaho, experiences its lowest average temperatures in December, reaching a peak of 26.1°F (-3.3°C) and a minimum of 8.6°F (-13°C).Humidity
In December, the average relative humidity in Clayton is 84%.Rainfall
In Clayton, in December, it is raining for 4.6 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, in Clayton, there are 75.7 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Clayton. In Clayton, Idaho, during December, snow falls for 10.1 days and regularly aggregates up to 3.03" (77mm) of snow. Throughout the year, in Clayton, there are 51.7 snowfall days, and 18.62" (473mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:53 am and sunset at 4:59 pm. On the last day of December, in Clayton, sunrise is at 8:13 am and sunset at 5:08 pm MST.
Sunshine
In December, the average sunshine is 6h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be on the lookout! Nearly twofold UV radiation 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, ID
- Average high temperature in December: 26.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (26.1°F).
- Average low temperature in December: 8.6°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in December
Clayton, ID
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Clayton, ID
- Average wind speed in December: 5mph
The windiest months (with the highest average wind speed) are June and July (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in December
Clayton, ID
- Average humidity in December: 84%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in December
Clayton, ID
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is June (1.1").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Clayton, ID
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is June (10.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Clayton, ID
- Average snowfall in December: 3.03"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Clayton, ID
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is December (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Clayton, ID
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in December
Clayton, ID
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is July (24.1 days).
The months with the least sunshine days are March and April (17.2 days).
Average UV index in December
Clayton, ID
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Clayton, ID
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in December
Clayton, ID
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
