December weather forecast
Alexander, ID

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Weather in December

December, the first month of the winter in Alexander, is still a freezing cold month, with an average temperature ranging between max 25.7°F (-3.5°C) and min 11.3°F (-11.5°C).

Temperature

In Alexander, Idaho, the month of December registers the lowest temperatures, averaging 25.7°F (-3.5°C) at the peak and 11.3°F (-11.5°C) at the lowest.

Humidity

In Alexander, the average relative humidity in December is 89%.

Rainfall

In Alexander, in December, during 4.9 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Alexander, during the entire year, the rain falls for 100.3 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Alexander. In Alexander, Idaho, in December, snow falls for 19.9 days, with typically accumulated 12.05" (306mm) of snow. In Alexander, during the entire year, snow falls for 106.2 days and aggregates up to 69.33" (1761mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Alexander, Idaho.
On the first day of December in Alexander, Idaho, sunrise is at 7:38 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:03 pm MST.

Sunshine

In Alexander, the average sunshine in December is 4.5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What part of the year is the coldest in Alexander?

In Alexander, the average lowest temperatures are observed in December, with a high of 25.7°F (-3.5°C) and a low of 11.3°F (-11.5°C).

How cold is it in Alexander in December?

The high-temperature, in December, in Alexander, records 25.7°F (-3.5°C), while the low-temperature is 11.3°F (-11.5°C).

What is the average humidity in December in Alexander?

In December, the average relative humidity is 89%.

How much does it rain in Alexander in December?

In Alexander, in December, during 4.9 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How many days does it snow in December in Alexander?

In Alexander, in December, snow falls for 19.9 days, with typically accumulated 12.05" (306mm) of snow.

What is the month with the shortest days in Alexander?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Alexander.

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

The average day length in December in Alexander is 9h and 7min.

When are sunrise and sunset in December in Alexander?

In December, on the first day of the month, sunrise is at 7:38 am and sunset at 4:54 pm. On the last day of the month, in Alexander, Idaho, sunrise is at 7:56 am and sunset at 5:03 pm MST.

How long on average sun shines in December in Alexander?

In December, the average sunshine duration in Alexander is 4.5h.

What is the month with the lowest UV index in Alexander?

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

What is the UV index intensity in December in Alexander?

In Alexander, Idaho, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Alexander, ID

Average temperature in December - Alexander, ID
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in December: 11.3°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).

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Average pressure in December
Alexander, ID

Average pressure in December - Alexander, ID
  • Average pressure in December: 30.26"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Alexander, ID

Average wind speed in December - Alexander, ID
  • Average wind speed in December: 4.9mph

The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

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Average humidity in December
Alexander, ID

Average humidity in December - Alexander, ID
  • Average humidity in December: 89%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in December
Alexander, ID

Average rainfall in December - Alexander, ID
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is July (0.55").

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Average rainfall days in December
Alexander, ID

Average rainfall days in December - Alexander, ID
  • Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in December
Alexander, ID

Average snowfall in December - Alexander, ID
  • Average snowfall in December: 12.05"

The month with the highest snowfall is January (14.41").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Alexander, ID

Average snowfall days in December - Alexander, ID
  • Average snowfall days in December: 19.9 days

The months with the highest number of snowfall days are February and December (19.9 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Alexander, ID
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in December
Alexander, ID

Average sunshine days in December - Alexander, ID
  • Average sunshine days in December: 11.1 days

The month with the most sunshine days is July (19.1 days).
The month with the least sunshine days is February (8.6 days).

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Average UV index in December
Alexander, ID

Average UV index in December - Alexander, 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 and December (UV index 1).

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Average cloud cover in December
Alexander, ID

Average cloud cover in December - Alexander, ID
  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in December
Alexander, ID

Average visibility in December - Alexander, ID
  • Average visibility in December: 4mi

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

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Alexander, Idaho, USA

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