December weather forecast
Priest River, ID

Weather in December

The first month of the winter, December, is also a subzero cold month in Priest River, Idaho, with an average temperature varying between 19.6°F (-6.9°C) and 29.5°F (-1.4°C).

Temperature

With an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 19.6°F (-6.9°C), December is the coldest month.

Humidity

In Priest River, the average relative humidity in December is 91%.

Rainfall

In Priest River, in December, it is raining for 10.7 days, with typically 3.11" (79mm) of accumulated precipitation. In Priest River, during the entire year, the rain falls for 140.8 days and collects up to 23.03" (585mm) of precipitation.

Snowfall

January through April, September through December are months with snowfall in Priest River. In December, in Priest River, it is snowing for 17.4 days. Throughout December, 14.41" (366mm) of snow is accumulated. In Priest River, Idaho, during the entire year, snow falls for 77 days and aggregates up to 59.17" (1503mm) of snow.

Daylight

December has the shortest days of the year in Priest River, with an average of 8h and 26min of daylight.
On the first day of the month, sunrise is at 7:17 am and sunset at 3:56 pm. On the last day of December, in Priest River, sunrise is at 7:38 am and sunset at 4:03 pm PST.

Sunshine

January and December, with an average of 3.2h of sunshine, are months with the least sunshine in Priest River.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Priest River. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 1 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Priest River?

The coldest month in Priest River, Idaho, is December, with an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 19.6°F (-6.9°C).

What is the average humidity in December in Priest River?

The average relative humidity in December in Priest River is 91%.

How much does it rain in Priest River in December?

In Priest River, Idaho, in December, during 10.7 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

How much does it snow in Priest River in December?

In December, it is snowing for 17.4 days. Throughout December, 14.41" (366mm) of snow is accumulated.

What is the month with the shortest days in Priest River?

December has the shortest days of the year in Priest River, with an average of 8h and 26min of daylight.

What is the average length of the day in December in Priest River?

In Priest River, the average day length in December is 8h and 26min.

When are sunrise and sunset in December in Priest River?

On the first day of December in Priest River, Idaho, sunrise is at 7:17 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:03 pm PST.

What is the month with the least sunshine in Priest River?

The months with the least sunshine in Priest River, Idaho, are January and December, with an average of 3.2h of sunshine.

How many hours of sunshine does Priest River have in December?

In December, the average sunshine duration in Priest River, Idaho, is 3.2h.

What is the month with the lowest UV index in Priest River?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Priest River?

In Priest River, Idaho, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.

Average temperature in December
Priest River, ID

Average temperature in December - Priest River, ID
  • Average high temperature in December: 29.5°F

The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (29.5°F).

  • Average low temperature in December: 19.6°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).

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Average pressure in December
Priest River, ID

Average pressure in December - Priest River, 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).

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Average wind speed in December
Priest River, ID

Average wind speed in December - Priest River, ID
  • Average wind speed in December: 3.3mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.3mph).

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Average humidity in December
Priest River, ID

Average humidity in December - Priest River, 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 (51%).

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Average rainfall in December
Priest River, ID

Average rainfall in December - Priest River, ID
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is January (3.31").
The driest month (with the least rainfall) is August (0.31").

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Average rainfall days in December
Priest River, ID

Average rainfall days in December - Priest River, ID
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is March (18.7 days).
The month with the least rainy days is August (3.9 days).

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Average snowfall in December
Priest River, ID

Average snowfall in December - Priest River, ID
  • Average snowfall in December: 14.41"

The month with the highest snowfall is January (17.44").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in December
Priest River, ID

Average snowfall days in December - Priest River, ID
  • Average snowfall days in December: 17.4 days

The month with the highest number of snowfall days is December (17.4 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Priest River, ID

Average daylight in December / Average sunshine in December - Priest River, ID
  • Average daylight in December: 8h and 26min

The month with the longest days is June (Average daylight: 16h and 1min).
The month with the shortest days is December (Average daylight: 8h and 26min).

  • Average sunshine in December: 3.2h

The month with the most sunshine is August (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 3.2).

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Average sunshine days in December
Priest River, ID

Average sunshine days in December - Priest River, ID
  • Average sunshine days in December: 9.7 days

The month with the most sunshine days is August (25.1 days).
The months with the least sunshine days are February and March (7.8 days).

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Average UV index in December
Priest River, ID

Average UV index in December - Priest River, 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).

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Average cloud cover in December
Priest River, ID

Average cloud cover in December - Priest River, ID
  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in December
Priest River, ID

Average visibility in December - Priest River, 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).

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