December weather forecastSpirit Lake, ID
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Spirit Lake, Idaho, with an average temperature fluctuating between 21.2°F (-6°C) and 31.3°F (-0.4°C).Temperature
Spirit Lake's December weather reaches an average high of 31.3°F (-0.4°C) and an average low of 21.2°F (-6°C), making it the coldest month.Humidity
In December, the average relative humidity is 90%.Rainfall
In Spirit Lake, during December, the rain falls for 10.8 days and regularly aggregates up to 3.15" (80mm) of precipitation. In Spirit Lake, Idaho, during the entire year, the rain falls for 141.2 days and collects up to 22.6" (574mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Spirit Lake, during December, snow falls for 16.9 days and regularly aggregates up to 13.66" (347mm) of snow. In Spirit Lake, Idaho, during the entire year, snow falls for 71.8 days and aggregates up to 56.54" (1436mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 3:56 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:04 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 3.4h of sunshine.UV index
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 threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spirit Lake, 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: 21.2°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in December
Spirit Lake, 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
Spirit Lake, ID
- Average wind speed in December: 3.9mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).
Average humidity in December
Spirit Lake, 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
Spirit Lake, ID
- Average rainfall in December: 3.15"
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
Spirit Lake, ID
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in December
Spirit Lake, ID
- Average snowfall in December: 13.66"
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
Spirit Lake, ID
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Spirit Lake, ID
- Average daylight in December: 8h and 30min
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 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
Spirit Lake, ID
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Spirit Lake, 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
Spirit Lake, 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 13).
Average visibility in December
Spirit Lake, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
