December weather forecast
Idmon, ID

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Weather in December

The first month of the winter, December, is still a freezing cold month in Idmon, Idaho, with an average temperature fluctuating between 6.8°F (-14°C) and 22.3°F (-5.4°C).

Temperature

December, with average temperatures reaching a high of 22.3°F (-5.4°C) and a low of 6.8°F (-14°C), is the coldest month.

Humidity

In December, the average relative humidity in Idmon, Idaho, is 92%.

Rainfall

In December, the rain falls for 5.4 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. Throughout the year, in Idmon, there are 106.1 rainfall days, and 20.83" (529mm) of precipitation is accumulated.

Snowfall

January through July, September through December are months with snowfall. In Idmon, in December, during 23 snowfall days, 16.5" (419mm) of snow is typically accumulated. In Idmon, Idaho, during the entire year, snow falls for 138.1 days and aggregates up to 107.64" (2734mm) of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year in Idmon.
On the first day of December in Idmon, sunrise is at 7:44 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:58 pm MST.

Sunshine

The average sunshine in December in Idmon, Idaho, is 4.2h.

UV index

The months with the lowest UV index in Idmon are January, February, November and December, with an average maximum UV index of 1. 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: A daily high UV index of 1 in December leads to these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest month in Idmon?

With average temperatures fluctuating between a high of 22.3°F (-5.4°C) and a low of 6.8°F (-14°C), December stands out as the coldest month in Idmon, Idaho.

How cold is it in Idmon in December?

During December, Idmon experiences an average high-temperature of 22.3°F (-5.4°C) and a low-temperature of 6.8°F (-14°C).

What is the average humidity in December in Idmon?

In December, the average relative humidity in Idmon, Idaho, is 92%.

How much does it rain in Idmon in December?

In December, in Idmon, the rain falls for 5.4 days. Throughout December, 1.97" (50mm) of precipitation is accumulated.

How many days does it snow in December in Idmon?

In Idmon, Idaho, in December, during 23 snowfall days, 16.5" (419mm) of snow is typically accumulated.

What is the month with the shortest days in Idmon?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

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

In December, the average day length in Idmon, Idaho, is 8h and 55min.

When is the sunrise / sunset in December in Idmon?

In December, on the first day of the month, sunrise is at 7:44 am and sunset at 4:49 pm. On the last day of the month, in Idmon, sunrise is at 8:03 am and sunset at 4:58 pm MST.

How long on average sun shines in December in Idmon?

The average sunshine duration in December in Idmon is 4.2h.

What are the months with the lowest UV index in Idmon?

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

What is the UV index intensity in December in Idmon?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat 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
Idmon, ID

Average temperature in December - Idmon, ID
  • Average high temperature in December: 22.3°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).

  • Average low temperature in December: 6.8°F

The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).

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Average pressure in December
Idmon, ID

Average pressure in December - Idmon, ID
  • Average pressure in December: 30.24"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Idmon, ID

Average wind speed in December - Idmon, ID
  • Average wind speed in December: 4.5mph

The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

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Average humidity in December
Idmon, ID

Average humidity in December - Idmon, ID
  • Average humidity in December: 92%

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in December
Idmon, ID

Average rainfall in December - Idmon, ID
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days in December
Idmon, ID

Average rainfall days in December - Idmon, ID
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in December
Idmon, ID

Average snowfall in December - Idmon, ID
  • Average snowfall in December: 16.5"

The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").

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Average snowfall days in December
Idmon, ID

Average snowfall days in December - Idmon, ID
  • Average snowfall days in December: 23 days

The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).

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

Average daylight in December / Average sunshine in December - Idmon, ID
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Idmon, ID

Average sunshine days in December - Idmon, ID
  • Average sunshine days in December: 7.7 days

The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).

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Average UV index in December
Idmon, ID

Average UV index in December - Idmon, ID
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 5).
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
Idmon, ID

Average cloud cover in December - Idmon, ID
  • Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).

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Average visibility in December
Idmon, ID

Average visibility in December - Idmon, ID
  • Average visibility in December: 3mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).

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Idmon, Idaho, USA

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