December weather forecast
Kooskia, ID

Weather in December

The first month of the winter, December, is still a cold month in Kooskia, Idaho, with an average temperature ranging between min 22.3°F (-5.4°C) and max 34°F (1.1°C).

Temperature

With an average high-temperature of 34°F (1.1°C) and an average low-temperature of 22.3°F (-5.4°C), December is the coldest month.

Humidity

In December, the average relative humidity in Kooskia is 87%.

Rainfall

In Kooskia, it is raining for 14.2 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 156.5 rainfall days, and 21.38" (543mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Kooskia, in December, snow falls for 8.8 days, with typically accumulated 3.7" (94mm) of snow. Throughout the year, there are 28.5 snowfall days, and 13.94" (354mm) of snow is accumulated.

Daylight

The month with the shortest days in Kooskia is December, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 3:59 pm. On the last day of December, in Kooskia, sunrise is at 7:26 am and sunset at 4:07 pm PST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 4.9h of sunshine.

UV index

In December, the average daily maximum UV index in Kooskia is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Kooskia?

With an average high-temperature of 34°F (1.1°C) and an average low-temperature of 22.3°F (-5.4°C), December is the coldest month in Kooskia.

What is the average humidity in December in Kooskia?

In Kooskia, the average relative humidity in December is 87%.

How many days does it rain in December in Kooskia?

In Kooskia, in December, during 14.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How much does it snow in Kooskia in December?

In December, in Kooskia, Idaho, it is snowing for 8.8 days. Throughout December, 3.7" (94mm) of snow is accumulated.

What is the month with the shortest days in Kooskia?

The month with the shortest days in Kooskia, Idaho, is December, with an average of 8h and 42min of daylight.

What is the average length of the day in December in Kooskia?

In Kooskia, the average day length in December is 8h and 42min.

What time are sunrise and sunset in December in Kooskia?

On the first day of December in Kooskia, Idaho, 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 4:07 pm PST.

What is the month with the least sunshine in Kooskia?

January, February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Kooskia, Idaho.

How many hours of sunshine does Kooskia have in December?

The average sunshine duration in December in Kooskia, Idaho, is 4.9h.

What is the UV index reading in December in Kooskia?

In Kooskia, Idaho, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kooskia, ID

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).

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Average pressure in December
Kooskia, ID

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).

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Average wind speed in December
Kooskia, ID

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).

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Average humidity in December
Kooskia, ID

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%).

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Average rainfall in December
Kooskia, ID

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").

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Average rainfall days in December
Kooskia, ID

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).

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Average snowfall in December
Kooskia, ID

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").

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Average snowfall days in December
Kooskia, ID

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).

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Average daylight in December /
Average sunshine in December
Kooskia, ID

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 43min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 4.9h

The month with the most sunshine is August (Average sunshine: 12h).
The months with the least sunshine are January, February and December (Average sunshine: 4.9).

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Average sunshine days in December
Kooskia, ID

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).

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Average UV index in December
Kooskia, ID

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).

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Average cloud cover in December
Kooskia, ID

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).

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Average visibility in December
Kooskia, ID

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).

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