December weather forecast
Priest River, ID

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Weather in December

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

Temperature

The month of December sees the lowest average temperatures, reaching 29.5°F (-1.4°C) at the peak and 19.6°F (-6.9°C) at the low.

Humidity

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

Rainfall

In Priest River, Idaho, during December, the rain falls for 10.7 days and regularly aggregates up to 3.11" (79mm) of 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, snow falls for 17.4 days, with typically accumulated 14.41" (366mm) of snow. In Priest River, Idaho, during the entire year, snow falls for 77 days and aggregates up to 59.17" (1503mm) of snow.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year in Priest River.
On the first day of December, sunrise is at 7:17 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:03 pm PST.

Sunshine

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

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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 1 in December translates into this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What are the coldest months in Priest River?

With its average high temperature of 29.5°F (-1.4°C) and a low of 19.6°F (-6.9°C), December is regarded as the coldest month in Priest River, Idaho.

How cold is December in Priest River?

The average high-temperature and low-temperature in Priest River during December are 29.5°F (-1.4°C) and 19.6°F (-6.9°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 82.4°F (28°C).

What is the average humidity in December in Priest River?

In December, the average relative humidity is 91%.

How much does it rain in Priest River in December?

In December, in Priest River, the rain falls for 10.7 days. Throughout December, 3.11" (79mm) of precipitation is accumulated.

How much does it snow in Priest River in December?

In Priest River, in December, during 17.4 snowfall days, 14.41" (366mm) of snow is typically accumulated.

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

With an average of 8h and 24min of daylight, December has the shortest days of the year in Priest River, Idaho.

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

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

When is the sunrise / 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 3:55 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:03 pm PST.

What are the months with the least sunshine in Priest River?

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

How long on average sun shines in December in Priest River?

In December, the average sunshine duration is 3.2h.

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

The months with the lowest UV index in Priest River, Idaho, 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 reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 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 1min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).

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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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Priest River, Idaho, USA

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