December weather forecastLast Chance, ID
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Last Chance, Idaho, with an average temperature ranging between max 22.3°F (-5.4°C) and min 6.8°F (-14°C).Temperature
December, having an average high-temperature of 22.3°F (-5.4°C) and an average low-temperature of 6.8°F (-14°C), is the coldest month.Humidity
The average relative humidity in December is 92%.Rainfall
In Last Chance, in December, it is raining for 5.4 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 106.1 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
January through July, September through December are months with snowfall. In Last Chance, during December, snow falls for 23 days and regularly aggregates up to 16.5" (419mm) of snow. Throughout the year, there are 138.1 snowfall days, and 107.64" (2734mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:42 am and sunset at 4:47 pm. On the last day of December, sunrise is at 8:01 am and sunset at 4:56 pm MST.
Sunshine
The average sunshine in December is 4.2h.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Last Chance, ID
- Average high temperature in December: 22.3°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in December: 6.8°F
The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).
Average pressure in December
Last Chance, ID
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Last Chance, ID
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Last Chance, ID
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Last Chance, ID
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in December
Last Chance, ID
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Last Chance, ID
- Average snowfall in December: 16.5"
The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").
Average snowfall days in December
Last Chance, ID
- Average snowfall days in December: 23 days
The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).
Average daylight in December /
Average sunshine in December
Last Chance, ID
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Last Chance, ID
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in December
Last Chance, ID
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Last Chance, ID
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in December
Last Chance, ID
- Average visibility in December: 3mi
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 (3mi).





