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
December, recording an average high temperature of 31.3°F (-0.4°C) and a low temperature of 19.4°F (-7°C), is Idaho City's coldest month.Humidity
In Idaho City, Idaho, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 5.9 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. In Idaho City, during the entire year, the rain falls for 103.4 days and collects up to 19.84" (504mm) of precipitation.Snowfall
January through June, October through December are months with snowfall. In Idaho City, in December, snow falls for 14.4 days, with typically accumulated 17.32" (440mm) of snow. In Idaho City, during the entire year, snow falls for 79.1 days and aggregates up to 88.94" (2259mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:58 am and sunset at 5:07 pm. On the last day of December, in Idaho City, sunrise is at 8:17 am and sunset at 5:16 pm MST.
Sunshine
The month with the least sunshine is December, with an average of 5.2h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the coldest month in Idaho City?
How cold is it in Idaho City in December?
What is the average humidity in December in Idaho City?
How many days does it rain in December in Idaho City?
How much does it snow in Idaho City in December?
What is the month with the shortest days in Idaho City?
What is the average length of the day in December in Idaho City?
What time are sunrise and sunset in December in Idaho City?
What is the month with the least sunshine in Idaho City?
How long on average sun shines in December in Idaho City?
How high is the UV index in December in Idaho City?
Average temperature in December
Idaho City, ID
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in December: 19.4°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).
Average pressure in December
Idaho City, ID
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in December
Idaho City, ID
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in December
Idaho City, ID
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in December
Idaho City, ID
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Idaho City, ID
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Idaho City, ID
- Average snowfall in December: 17.32"
The month with the highest snowfall is January (20.59").
The months with the least snowfall are July, August and September (0").
Average snowfall days in December
Idaho City, ID
- Average snowfall days in December: 14.4 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Idaho City, 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: 5h and 1min
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
Idaho City, ID
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in December
Idaho City, ID
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Idaho City, ID
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Idaho City, ID
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Idaho City, Idaho, USA
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