December weather forecastPayette, ID
December
Weather in December
December brings the full force of winter to Payette, with the lowest daylight hours of the year and the return of significant snowfall. Commensurate with the approaching winter solstice, it's a month characterized by early sunsets, with only 8.9 daylight hours. The snowfall in December is the heaviest of the year, recording 6.46" (164mm). Shifting from November, it's colder and much snowier, marking a quintessential end to the year.Temperature
With average temperatures fluctuating between a high of 35.1°F (1.7°C) and a low of 22.8°F (-5.1°C), December stands out as the coldest month.Humidity
In Payette, the average relative humidity in December is 80%.Rainfall
December is the month with the most rainfall. Rain falls for 9.5 days and accumulates 1.69" (43mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. December is the month with the most snowfall in Payette, Idaho. Snow falls for 9.3 days and accumulates 6.46" (164mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:03 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 5:19 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 5.2h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Payette, ID
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (35.1°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is August (61°F).
The coldest month (with the lowest average low temperature) is December (22.8°F).
Average pressure in December
Payette, ID
- Average pressure in December: 30.21"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Payette, ID
- Average wind speed in December: 4.1mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is January (3.6mph).
Average humidity in December
Payette, ID
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in December
Payette, ID
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Payette, ID
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (15.5 days).
The month with the least rainy days is August (3 days).
Average snowfall in December
Payette, ID
- Average snowfall in December: 6.46"
The month with the highest snowfall is December (6.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Payette, ID
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is December (9.3 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
Payette, ID
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Payette, ID
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in December
Payette, ID
- Average UV index in December: 2
The month with the highest UV index is 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
Payette, ID
- Average cloud cover in December: 43
The months with the most cloud cover are January and December (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in December
Payette, ID
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





