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, characterized by an average high temperature of 27.9°F (-2.3°C) and a low temperature of 15.8°F (-9°C), is generally the coldest month in Idaho Falls.Humidity
The average relative humidity in December is 86%.Rainfall
In Idaho Falls, in December, during 5.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Idaho Falls, Idaho, during the entire year, the rain falls for 84.3 days and collects up to 6.97" (177mm) of precipitation.Snowfall
Months with snowfall in Idaho Falls, Idaho, are January through May, September through December. In Idaho Falls, in December, snow falls for 12.9 days, with typically accumulated 3.46" (88mm) of snow. Throughout the year, there are 54.4 snowfall days, and 16.89" (429mm) of snow is accumulated.Daylight
The month with the shortest days in Idaho Falls is December, with an average of 9h and 0min of daylight.On the first day of December in Idaho Falls, sunrise is at 7:41 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:02 pm MST.
Sunshine
In Idaho Falls, the average sunshine in December is 5h.UV index
The months with the lowest UV index in Idaho Falls are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Idaho Falls?
How cold is December in Idaho Falls?
What is the average humidity in December in Idaho Falls?
How many days does it rain in December in Idaho Falls?
How much does it snow in Idaho Falls in December?
What is the month with the shortest days in Idaho Falls?
How many hours of daylight does Idaho Falls have in December?
When are sunrise and sunset in December in Idaho Falls?
How long on average sun shines in December in Idaho Falls?
What are the months with the lowest UV index in Idaho Falls?
What is the UV index intensity in December in Idaho Falls?
Average temperature in December
Idaho Falls, ID
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in December: 15.8°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in December
Idaho Falls, ID
- Average pressure in December: 30.26"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Idaho Falls, ID
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in December
Idaho Falls, ID
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (35%).
Average rainfall in December
Idaho Falls, ID
- Average rainfall in December: 0.47"
The wettest months (with the highest rainfall) are May and September (0.83").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Idaho Falls, ID
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in December
Idaho Falls, ID
- Average snowfall in December: 3.46"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Idaho Falls, ID
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Idaho Falls, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Idaho Falls, ID
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is February (16.2 days).
Average UV index in December
Idaho Falls, ID
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Idaho Falls, ID
- Average cloud cover in December: 50
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Idaho Falls, 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 and February (4mi).
Idaho Falls, Idaho, USA
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