Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December, noted for its average high-temperature of 29.3°F (-1.5°C) and an average low-temperature of 18.7°F (-7.4°C), is considered the coldest month.Humidity
In December, the average relative humidity is 91%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.2 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Clark Fork, in December, snow falls for 19.5 days, with typically accumulated 15.31" (389mm) of snow. Throughout the year, there are 80.8 snowfall days, and 60" (1524mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 3:53 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:01 pm PST.
Sunshine
The average sunshine in December is 3.3h.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 threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is December?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Clark Fork?
How many hours of daylight does Clark Fork have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Clark Fork?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Clark Fork, ID
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in December: 18.7°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in December
Clark Fork, 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
Clark Fork, ID
- Average wind speed in December: 3.5mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in December
Clark Fork, ID
- Average humidity in December: 91%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Clark Fork, ID
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in December
Clark Fork, ID
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in December
Clark Fork, ID
- Average snowfall in December: 15.31"
The month with the highest snowfall is January (15.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Clark Fork, ID
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is December (19.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Clark Fork, ID
- Average daylight in December: 8h and 2min
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 2min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Clark Fork, ID
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is March (7.1 days).
Average UV index in December
Clark Fork, 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
Clark Fork, ID
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in December
Clark Fork, ID
- Average visibility in December: 3mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Clark Fork, Idaho, USA
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