December weather forecastDeary, ID
December
Weather in December
The first month of the winter, December, is also an icy month in Deary, Idaho, with an average temperature varying between 21.9°F (-5.6°C) and 33.1°F (0.6°C).Temperature
Deary's December weather, with an average high temperature of 33.1°F (0.6°C) and an average low temperature of 21.9°F (-5.6°C), tends to be the coldest of the year.Humidity
The average relative humidity in December is 88%.Rainfall
In Deary, during December, the rain falls for 12.6 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Deary, during the entire year, the rain falls for 147.4 days and collects up to 14.72" (374mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 9.7 days and accumulates 3.74" (95mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 3:59 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:08 pm PST.
Sunshine
January and December, with an average of 4.1h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the UV index of 1 transforms into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Deary, ID
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (33.1°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is August (51.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in December
Deary, ID
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in December
Deary, ID
- Average wind speed in December: 3.8mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in December
Deary, ID
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Deary, ID
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is January (1.69").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in December
Deary, ID
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is March (17.7 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in December
Deary, ID
- Average snowfall in December: 3.74"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Deary, ID
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is December (9.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Deary, ID
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).
Average sunshine days in December
Deary, ID
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is August (23.5 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in December
Deary, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Deary, ID
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in December
Deary, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
