December weather forecast
Potlatch, ID

Weather in December

December, the first month of the winter in Potlatch, is still a cold month, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 34°F (1.1°C).

Temperature

The coldest month is December, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 24.1°F (-4.4°C).

Humidity

The average relative humidity in December in Potlatch is 86%.

Rainfall

The month with the most rainfall in Potlatch, Idaho, is December, when the rain falls for 11.6 days and typically aggregates up to 2.68" (68mm) of precipitation.

Snowfall

Months with snowfall in Potlatch, Idaho, are January through May, September through December. In December, it is snowing for 14.1 days. Throughout December, 11.14" (283mm) of snow is accumulated. Throughout the year, there are 60.2 snowfall days, and 47.24" (1200mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:00 pm. On the last day of December, in Potlatch, sunrise is at 7:32 am and sunset at 4:08 pm PST.

Sunshine

January, February and December, with an average of 4.5h of sunshine, are months with the least sunshine in Potlatch, Idaho.

UV index

The average daily maximum UV index in December in Potlatch is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. 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 Potlatch?

The coldest month in Potlatch, Idaho, is December, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 24.1°F (-4.4°C).

What is the average humidity in December in Potlatch?

The average relative humidity in December in Potlatch is 86%.

What is the rainiest month in Potlatch?

December is the month with the most rainfall. Rain falls for 11.6 days and accumulates 2.68" (68mm) of precipitation.

How many days does it rain in December in Potlatch?

In December, in Potlatch, Idaho, the rain falls for 11.6 days. Throughout December, 2.68" (68mm) of precipitation is accumulated.

How much does it snow in Potlatch in December?

In Potlatch, Idaho, during December, snow falls for 14.1 days and regularly aggregates up to 11.14" (283mm) of snow.

What is the month with the shortest days in Potlatch?

December has the shortest days of the year in Potlatch, Idaho, with an average of 8h and 36min of daylight.

How many hours of daylight does Potlatch have in December?

In December, the average day length is 8h and 36min.

When is the sunrise / sunset in December in Potlatch?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:08 pm PST.

What is the month with the least sunshine in Potlatch?

January, February and December, with an average of 4.5h of sunshine, are months with the least sunshine in Potlatch.

How long on average sun shines in December in Potlatch?

The average sunshine duration in December in Potlatch, Idaho, is 4.5h.

What is the UV index reading in December in Potlatch?

In Potlatch, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.

Average temperature in December
Potlatch, ID

Average temperature in December - Potlatch, ID
  • Average high temperature in December: 1.1°C

The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is December (1.1°C).

  • Average low temperature in December: -4.4°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is December (-4.4°C).

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Average pressure in December
Potlatch, ID

Average pressure in December - Potlatch, ID
  • Average pressure in December: 1021.8mbar

The month with the highest atmospheric pressure is January (1022.6mbar).
The month with the lowest atmospheric pressure is August (1012.9mbar).

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Average wind speed in December
Potlatch, ID

Average wind speed in December - Potlatch, ID
  • Average wind speed in December: 9km/h

The windiest month (with the highest average wind speed) is April (10.1km/h).
The calmest months (with the lowest average wind speed) are July, August and September (7.7km/h).

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Average humidity in December
Potlatch, ID

Average humidity in December - Potlatch, ID
  • Average humidity in December: 86%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Potlatch, ID

Average rainfall in December - Potlatch, ID
  • Average rainfall in December: 68mm

The wettest month (with the highest rainfall) is December (68mm).
The driest months (with the least rainfall) are July and August (12mm).

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Average rainfall days in December
Potlatch, ID

Average rainfall days in December - Potlatch, ID
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).

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Average snowfall in December
Potlatch, ID

Average snowfall in December - Potlatch, ID
  • Average snowfall in December: 283mm

The month with the highest snowfall is January (319mm).
The months with the least snowfall are June, July and August (0mm).

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Average snowfall days in December
Potlatch, ID

Average snowfall days in December - Potlatch, ID
  • Average snowfall days in December: 14.1 days

The month with the highest number of snowfall days is December (14.1 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
Potlatch, ID

Average daylight in December / Average sunshine in December - Potlatch, ID
  • Average daylight in December: 8h and 36min

The month with the longest days is June (Average daylight: 15h and 49min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 4.5h

The month with the most sunshine is August (Average sunshine: 12h).
The months with the least sunshine are January, February and December (Average sunshine: 4.5).

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Average sunshine days in December
Potlatch, ID

Average sunshine days in December - Potlatch, ID
  • Average sunshine days in December: 11.8 days

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).

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Average UV index in December
Potlatch, ID

Average UV index in December - Potlatch, 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
Potlatch, ID

Average cloud cover in December - Potlatch, ID
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in December
Potlatch, ID

Average visibility in December - Potlatch, ID
  • Average visibility in December: 7km

The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January and December (7km).

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