December weather forecast
Pegram, ID

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Weather in December

The first month of the winter, December, is also a subzero cold month in Pegram, Idaho, with temperature in the range of an average low of 9.9°F (-12.3°C) and an average high of 25.5°F (-3.6°C).

Temperature

December is the coldest month of the year, registering average temperatures as high as 25.5°F (-3.6°C) and as low as 9.9°F (-12.3°C).

Humidity

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

Rainfall

In Pegram, Idaho, in December, it is raining for 5.5 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, in Pegram, Idaho, there are 105.7 rainfall days, and 16.69" (424mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Pegram, in December, snow falls for 18.5 days, with typically accumulated 9.09" (231mm) of snow. Throughout the year, in Pegram, there are 104.6 snowfall days, and 63.58" (1615mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Pegram, Idaho.
On the first day of December, sunrise is at 7:34 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:02 pm MST.

Sunshine

In Pegram, the average sunshine in December is 4.6h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Pegram. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended 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. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Pegram?

Temperature records in Pegram, Idaho, mark December as the coldest month, with highs averaging 25.5°F (-3.6°C) and lows at 9.9°F (-12.3°C).

How cold is December in Pegram?

In December, the average high-temperature and low-temperature are 25.5°F (-3.6°C) and 9.9°F (-12.3°C) respectively.

What is the average humidity in December in Pegram?

The average relative humidity in December in Pegram, Idaho, is 89%.

How much does it rain in Pegram in December?

In Pegram, in December, it is raining for 5.5 days, with typically 1.22" (31mm) of accumulated precipitation.

How much does it snow in Pegram in December?

In Pegram, Idaho, in December, snow falls for 18.5 days, with typically accumulated 9.09" (231mm) of snow.

What is the month with the shortest days in Pegram?

December has the shortest days of the year in Pegram, with an average of 9h and 12min of daylight.

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

The average day length in December in Pegram is 9h and 10min.

When is the sunrise / sunset in December in Pegram?

On the first day of December in Pegram, Idaho, sunrise is at 7:34 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:02 pm MST.

How long on average sun shines in December in Pegram?

In December, the average sunshine duration is 4.6h.

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

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

What is the UV index intensity in December in Pegram?

In Pegram, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Pegram, ID

Average temperature in December - Pegram, ID
  • Average high temperature in December: 25.5°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in December: 9.9°F

The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

Average pressure in December
Pegram, ID

Average pressure in December - Pegram, ID
  • Average pressure in December: 30.25"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Pegram, ID

Average wind speed in December - Pegram, ID
  • Average wind speed in December: 4.4mph

The windiest month (with the highest average wind speed) is June (6mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

Average humidity in December
Pegram, ID

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

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

Average rainfall in December
Pegram, ID

Average rainfall in December - Pegram, ID
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is July (0.91").

Average rainfall days in December
Pegram, ID

Average rainfall days in December - Pegram, ID
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Pegram, ID

Average snowfall in December - Pegram, ID
  • Average snowfall in December: 9.09"

The month with the highest snowfall is March (12.17").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Pegram, ID

Average snowfall days in December - Pegram, ID
  • Average snowfall days in December: 18.5 days

The month with the highest number of snowfall days is February (20 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Pegram, ID

Average sunshine days in December - Pegram, ID
  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is July (18.4 days).
The month with the least sunshine days is February (8.6 days).

Average UV index in December
Pegram, ID

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

Average cloud cover in December
Pegram, ID

Average cloud cover in December - Pegram, ID
  • Average cloud cover in December: 56

The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in December
Pegram, ID

Average visibility in December - Pegram, 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).

Pegram, Idaho, USA

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