December weather forecastCedron, ID
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Cedron, Idaho, with an average temperature ranging between min 9.5°F (-12.5°C) and max 23.9°F (-4.5°C).Temperature
With average temperatures fluctuating between a high of 23.9°F (-4.5°C) and a low of 9.5°F (-12.5°C), December stands out as the coldest month.Humidity
The average relative humidity in December is 90%.Rainfall
In December, the rain falls for 5.9 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 110.1 rainfall days, and 23.35" (593mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Cedron, in December, snow falls for 21.8 days, with typically accumulated 19.41" (493mm) of snow. Throughout the year, there are 125.3 snowfall days, and 120.47" (3060mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:39 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:58 am and sunset at 4:58 pm MST.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedron, ID
- Average high temperature in December: 23.9°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (23.9°F).
- Average low temperature in December: 9.5°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in December
Cedron, ID
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Cedron, ID
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest months (with the lowest average wind speed) are January and December (4.6mph).
Average humidity in December
Cedron, ID
- Average humidity in December: 90%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall in December
Cedron, ID
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in December
Cedron, ID
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Cedron, ID
- Average snowfall in December: 19.41"
The month with the highest snowfall is January (24.06").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Cedron, ID
- Average snowfall days in December: 21.8 days
The month with the highest number of snowfall days is December (21.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Cedron, ID
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Cedron, ID
- Average sunshine days in December: 9 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Cedron, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Cedron, ID
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in December
Cedron, 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 and February (3mi).





