December weather forecastLemhi, ID
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Lemhi, Idaho, with temperature in the range of an average high of 25.2°F (-3.8°C) and an average low of 9.5°F (-12.5°C).Temperature
December is the month when Lemhi experiences its coldest temperatures, averaging a high of 25.2°F (-3.8°C) and a low of 9.5°F (-12.5°C).Humidity
In Lemhi, the average relative humidity in December is 86%.Rainfall
In Lemhi, in December, it is raining for 6.8 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 129.5 rainfall days, and 12.4" (315mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Lemhi, Idaho, in December, snow falls for 10.4 days, with typically accumulated 2.8" (71mm) of snow. In Lemhi, during the entire year, snow falls for 63.5 days and aggregates up to 22.76" (578mm) 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 7:52 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:03 pm MST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lemhi, ID
- Average high temperature in December: 25.2°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in December: 9.5°F
The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).
Average pressure in December
Lemhi, ID
- Average pressure in December: 30.23"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Lemhi, ID
- Average wind speed in December: 4.9mph
The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Lemhi, ID
- Average humidity in December: 86%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).
Average rainfall in December
Lemhi, ID
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days in December
Lemhi, ID
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Lemhi, ID
- Average snowfall in December: 2.8"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Lemhi, ID
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lemhi, 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: 5h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Lemhi, ID
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).
Average UV index in December
Lemhi, 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 and December (UV index 1).
Average cloud cover in December
Lemhi, ID
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Lemhi, 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, February, March and December (4mi).
