December weather forecastSandpoint, ID
December
Weather in December
The last month of the year envelops Sandpoint in a deep winter setting. With the shortest daylight hours and lowest temperatures, December sees the city at its coldest. The festive season gets a white backdrop as the city becomes beautifully blanketed in snow. Explorers can witness Sandpoint's serene snow-covered sights, with December offering up to 15" (381mm) of snowfall. It becomes an ideal destination for winter sports enthusiasts.Temperature
December tends to be the coldest month in Sandpoint, Idaho, with temperatures averaging a daily high of 28.9°F (-1.7°C) and a low of 18.5°F (-7.5°C).Humidity
In December, the average relative humidity is 91%.Rainfall
In Sandpoint, during December, the rain falls for 10.7 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Sandpoint, during the entire year, the rain falls for 151 days and collects up to 23.98" (609mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Sandpoint. In Sandpoint, during December, snow falls for 18.2 days and regularly aggregates up to 15" (381mm) of snow. Throughout the year, there are 80.7 snowfall days, and 61.3" (1557mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 3:54 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:02 pm PST.
Sunshine
The average sunshine in December is 3.5h.UV index
The months with the lowest UV index 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 maximum daily UV index of 1 during December morphs into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sandpoint, ID
- Average high temperature in December: 28.9°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in December
Sandpoint, ID
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Sandpoint, ID
- Average wind speed in December: 3.4mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in December
Sandpoint, ID
- Average humidity in December: 91%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (53%).
Average rainfall in December
Sandpoint, ID
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is January (3.35").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in December
Sandpoint, ID
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is March (18.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in December
Sandpoint, ID
- Average snowfall in December: 15"
The month with the highest snowfall is January (17.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Sandpoint, ID
- Average snowfall days in December: 18.2 days
The month with the highest number of snowfall days is December (18.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sandpoint, ID
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Sandpoint, ID
- Average sunshine days in December: 9.9 days
The months with the most sunshine days are July and August (21.4 days).
The month with the least sunshine days is March (7.9 days).
Average UV index in December
Sandpoint, 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
Sandpoint, ID
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Sandpoint, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January and February (3mi).





