December weather forecastKooskia, ID
December
Weather in December
December marks the arrival of winter in Kooskia, encompassing colder temperatures and frequent snowfall. The temperatures can drop as low as 22.3°F (-5.4°C), hinting at the harsh winter conditions. The water freezes over, and the city appears blanketed by snow. Amid this temperature drop, residents may experience bouts of chilly winds. Shorter days and longer nights become the norm, making cozy indoor activities more appealing.Temperature
With average temperatures fluctuating between a high of 34°F (1.1°C) and a low of 22.3°F (-5.4°C), December stands out as the coldest month in Kooskia.Humidity
In December, the average relative humidity in Kooskia is 87%.Rainfall
In Kooskia, in December, during 14.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Kooskia, during the entire year, the rain falls for 156.5 days and collects up to 21.38" (543mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Kooskia, Idaho. In Kooskia, in December, during 8.8 snowfall days, 3.7" (94mm) of snow is typically accumulated. Throughout the year, there are 28.5 snowfall days, and 13.94" (354mm) of snow is accumulated.Daylight
December has the shortest days of the year in Kooskia, with an average of 8h and 42min of daylight.On the first day of December in Kooskia, sunrise is at 7:06 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:08 pm PST.
Sunshine
The months with the least sunshine in Kooskia are January, February and December, with an average of 4.9h of sunshine.UV index
In Kooskia, Idaho, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kooskia, ID
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure in December
Kooskia, ID
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).
Average wind speed in December
Kooskia, ID
- Average wind speed in December: 4mph
The windiest month (with the highest average wind speed) is March (4.4mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Kooskia, ID
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (48%).
Average rainfall in December
Kooskia, ID
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is March (2.56").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in December
Kooskia, ID
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in December
Kooskia, ID
- Average snowfall in December: 3.7"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Kooskia, ID
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is December (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kooskia, ID
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Kooskia, ID
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is July (23.2 days).
The month with the least sunshine days is April (9.1 days).
Average UV index in December
Kooskia, ID
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Kooskia, ID
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Kooskia, ID
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
