December weather forecastPlummer, ID
December
Weather in December
December, the first month of the winter in Plummer, is still a cold month, with an average temperature fluctuating between 32.2°F (0.1°C) and 22.1°F (-5.5°C).Temperature
In Plummer, the lowest average temperatures are observed in December, with a high of 32.2°F (0.1°C) and a low of 22.1°F (-5.5°C).Humidity
In December, the average relative humidity is 89%.Rainfall
In Plummer, in December, it is raining for 10.6 days, with typically 3.11" (79mm) of accumulated precipitation. In Plummer, during the entire year, the rain falls for 148.8 days and collects up to 23.86" (606mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Plummer, in December, during 16.6 snowfall days, 12.17" (309mm) of snow is typically accumulated. Throughout the year, there are 67.9 snowfall days, and 53.5" (1359mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:07 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 3.4h of sunshine.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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plummer, ID
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in December
Plummer, ID
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in December
Plummer, ID
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August, September and December (4.3mph).
Average humidity in December
Plummer, ID
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Plummer, ID
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in December
Plummer, ID
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in December
Plummer, ID
- Average snowfall in December: 12.17"
The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Plummer, ID
- Average snowfall days in December: 16.6 days
The month with the highest number of snowfall days is December (16.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Plummer, ID
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Plummer, ID
- Average sunshine days in December: 10 days
The month with the most sunshine days is July (22.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Plummer, 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, February, November and December (UV index 1).
Average cloud cover in December
Plummer, ID
- Average cloud cover in December: 63
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Plummer, ID
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





