December weather forecastCoeur d'Alene, ID
December
Weather in December
The winter season fully engulfs Coeur d'Alene, Idaho, in December, with an average snowfall of 12.72" (323mm). The city transforms into a winter wonderland once again, under the dome of a frosty sky. The temperature drops further, creating a cool atmosphere laden with festive joy. With the increased snowfall, chilled winds, and decreased daylight, late-year outdoor activities acquire a different kind of charm. December concludes the year on a frosty note, accentuating Coeur d'Alene's riveting snow-dusted landscapes.Temperature
With its high average temperature of 31.3°F (-0.4°C) and a low of 20.8°F (-6.2°C), December is regarded as the coldest month.Humidity
In Coeur d'Alene, the average relative humidity in December is 90%.Rainfall
In December, the rain falls for 10.4 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. In Coeur d'Alene, during the entire year, the rain falls for 139.7 days and collects up to 22.2" (564mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Coeur d'Alene, in December, during 16.5 snowfall days, 12.72" (323mm) of snow is typically accumulated. In Coeur d'Alene, during the entire year, snow falls for 71.6 days and aggregates up to 56.26" (1429mm) of snow.Daylight
The month with the shortest days in Coeur d'Alene is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 3:57 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:05 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index in Coeur d'Alene are February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.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. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coeur d'Alene, ID
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (20.8°F).
Average pressure in December
Coeur d'Alene, ID
- Average pressure in December: 30.18"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
Coeur d'Alene, ID
- Average wind speed in December: 3.7mph
The windiest month (with the highest average wind speed) is April (5.1mph).
The calmest month (with the lowest average wind speed) is December (3.7mph).
Average humidity in December
Coeur d'Alene, ID
- Average humidity in December: 90%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Coeur d'Alene, ID
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in December
Coeur d'Alene, ID
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in December
Coeur d'Alene, ID
- Average snowfall in December: 12.72"
The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Coeur d'Alene, ID
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is December (16.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Coeur d'Alene, 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 18min
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 18min).
Average sunshine days in December
Coeur d'Alene, ID
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Coeur d'Alene, 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 February, November and December (UV index 1).
Average cloud cover in December
Coeur d'Alene, ID
- Average cloud cover in December: 65
The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Coeur d'Alene, ID
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
