December weather forecastFranklin, ID
December
Weather in December
December, the first month of the winter in Franklin, is also a subzero cold month, with an average temperature ranging between max 28.8°F (-1.8°C) and min 14.9°F (-9.5°C).Temperature
In Franklin, the lowest average temperatures are observed in December, with a high of 28.8°F (-1.8°C) and a low of 14.9°F (-9.5°C).Humidity
In Franklin, the average relative humidity in December is 86%.Rainfall
In Franklin, in December, it is raining for 9.6 days, with typically 1.81" (46mm) of accumulated precipitation. In Franklin, during the entire year, the rain falls for 127.4 days and collects up to 18.27" (464mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Franklin, in December, snow falls for 17.3 days, with typically accumulated 12.4" (315mm) of snow. Throughout the year, in Franklin, Idaho, there are 83.8 snowfall days, and 60.12" (1527mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:36 am and sunset at 4:56 pm. On the last day of December, in Franklin, sunrise is at 7:55 am and sunset at 5:05 pm MST.
Sunshine
The average sunshine in December in Franklin is 5.3h.UV index
January 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 health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Franklin, ID
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Franklin, ID
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Franklin, ID
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in December
Franklin, 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 (38%).
Average rainfall in December
Franklin, ID
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Franklin, ID
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in December
Franklin, ID
- Average snowfall in December: 12.4"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Franklin, ID
- Average snowfall days in December: 17.3 days
The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Franklin, ID
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Franklin, ID
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Franklin, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Franklin, ID
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Franklin, ID
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
