December weather forecast
Burley, ID

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Weather in December

The close of the year in Burley, Idaho, witnesses full-fledged winter. The average snowfall increases to a peak of 6.54" (166mm) and the temperatures drop to the lowest for the year. The weather conditions make indoor activities more favorable. The city experiences the shortest daylight hours in the year, yet maintains stable weather due to low wind speeds and high atmospheric pressure. Despite the freezing cold, the relative humidity stays high around 79%, creating a frosty and damp environment.

Temperature

The coldest time of the year is December, with temperatures averaging a high of 32.5°F (0.3°C) and a low of 21.6°F (-5.8°C).

Humidity

In Burley, the average relative humidity in December is 79%.

Rainfall

In Burley, during December, the rain falls for 8.7 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 105.2 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. The month with the most snowfall is December, when snow falls for 13 days and typically aggregates up to 6.54" (166mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:46 am and sunset at 5:02 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:12 pm MST.

Sunshine

The average sunshine in December is 5.8h.

UV index

The month with the lowest UV index is 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 radiation for the ordinary person.
Note: The UV index of 1 in December translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What part of the year is the coldest?

During the coldest month in Burley, December, temperatures average a high of 32.5°F (0.3°C) and a low of 21.6°F (-5.8°C).

How cold is December?

In December, the average high-temperature and low-temperature are 32.5°F (0.3°C) and 21.6°F (-5.8°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 79%.

How many days does it rain in December?

In Burley, in December, it is raining for 8.7 days, with typically 1.34" (34mm) of accumulated precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 13 days and accumulates 6.54" (166mm) of snow.

How much does it snow in December?

In Burley, in December, during 13 snowfall days, 6.54" (166mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:46 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:12 pm MST.

How many hours of sunshine does Burley have in December?

In Burley, the average sunshine duration in December is 5.8h.

When is the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Burley, ID

Average temperature in December - Burley, ID
  • Average high temperature in December: 32.5°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in December: 21.6°F

The months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

Average pressure in December
Burley, ID

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

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Burley, ID

Average wind speed in December - Burley, ID
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).

Average humidity in December
Burley, ID

Average humidity in December - Burley, ID
  • Average humidity in December: 79%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).

Average rainfall in December
Burley, ID

Average rainfall in December - Burley, ID
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in December
Burley, ID

Average rainfall days in December - Burley, ID
  • Average rainfall days in December: 8.7 days

The months with the highest number of rainy days are March and April (14 days).
The months with the least rainy days are July and August (5.2 days).

Average snowfall in December
Burley, ID

Average snowfall in December - Burley, ID
  • Average snowfall in December: 6.54"

The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Burley, ID

Average snowfall days in December - Burley, ID
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Burley, 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: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in December
Burley, ID

Average sunshine days in December - Burley, ID
  • Average sunshine days in December: 13.8 days

The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).

Average UV index in December
Burley, ID

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Burley, ID

Average cloud cover in December - Burley, ID
  • Average cloud cover in December: 40

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in December
Burley, ID

Average visibility in December - Burley, ID
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Burley, Idaho, USA

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