December weather forecast
Blue Mountain, AR

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Weather in December

The first month of the winter, December, is also a fresh month in Blue Mountain, Arkansas, with an average temperature varying between 50°F (10°C) and 34.9°F (1.6°C).

Temperature

A change in temperatures is noted as November gives way to December, with average highs reducing from a refreshing 59.2°F (15.1°C) to a cool 50°F (10°C). An average nighttime temperature of 34.9°F (1.6°C) is noted during the month of December.

Humidity

In Blue Mountain, Arkansas, the average relative humidity in December is 77%.

Rainfall

In December, in Blue Mountain, Arkansas, the rain falls for 7.8 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Blue Mountain, during the entire year, the rain falls for 123.3 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Blue Mountain. The months with the most snowfall are January, February and December, with an average 0.28" (7mm) of accumulated snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:05 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:13 pm CST.

Sunshine

In Blue Mountain, the average sunshine in December is 5.6h.

UV index

The month with the lowest UV index in Blue Mountain is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Frequently asked questions

What is the usual temperature for Blue Mountain in December?

The high-temperature, in December, in Blue Mountain, records 50°F (10°C), while the low-temperature is 34.9°F (1.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is evaluated at 91.4°F (33°C).

What is the average humidity in December in Blue Mountain?

In December, the average relative humidity in Blue Mountain is 77%.

How much does it rain in Blue Mountain in December?

In Blue Mountain, Arkansas, in December, during 7.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

What is the snowiest month in Blue Mountain?

The months with the most snowfall in Blue Mountain, Arkansas, are January, February and December, with an average 0.28" (7mm) of accumulated snow.

How many days does it snow in December in Blue Mountain?

In Blue Mountain, in December, during 0.7 snowfall days, 0.28" (7mm) of snow is typically accumulated.

What is the month with the shortest days in Blue Mountain?

With an average of 9h and 48min of daylight, December has the shortest days of the year in Blue Mountain.

What is the average length of the day in December in Blue Mountain?

In Blue Mountain, Arkansas, the average day length in December is 9h and 50min.

When is the sunrise / sunset in December in Blue Mountain?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 5:02 pm. On the last day of the month, in Blue Mountain, sunrise is at 7:23 am and sunset at 5:13 pm CST.

How many hours of sunshine does Blue Mountain have in December?

In December, the average sunshine duration is 5.6h.

What is the month with the lowest UV index in Blue Mountain?

With an average maximum UV index of 2, December is the month with the lowest UV index in Blue Mountain, Arkansas.

How high is the UV index in December in Blue Mountain?

In December, the average daily maximum UV index in Blue Mountain is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Blue Mountain, AR

Average temperature in December - Blue Mountain, AR
  • Average high temperature in December: 50°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in December: 34.9°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in December
Blue Mountain, AR

Average pressure in December - Blue Mountain, AR
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Blue Mountain, AR

Average wind speed in December - Blue Mountain, AR
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in December
Blue Mountain, AR

Average humidity in December - Blue Mountain, AR
  • Average humidity in December: 77%

The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (71%).

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Average rainfall in December
Blue Mountain, AR

Average rainfall in December - Blue Mountain, AR
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is September (0.87").

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Average rainfall days in December
Blue Mountain, AR

Average rainfall days in December - Blue Mountain, AR
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is November (7.7 days).

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Average snowfall in December
Blue Mountain, AR

Average snowfall in December - Blue Mountain, AR
  • Average snowfall in December: 0.28"

The months with the highest snowfall are January, February and December (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Blue Mountain, AR

Average snowfall days in December - Blue Mountain, AR
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Blue Mountain, AR

Average daylight in December / Average sunshine in December - Blue Mountain, AR
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

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Average sunshine days in December
Blue Mountain, AR

Average sunshine days in December - Blue Mountain, AR
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is July (13.8 days).

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Average UV index in December
Blue Mountain, AR

Average UV index in December - Blue Mountain, AR
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Blue Mountain, AR

Average cloud cover in December - Blue Mountain, AR
  • Average cloud cover in December: 40

The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in December
Blue Mountain, AR

Average visibility in December - Blue Mountain, AR
  • Average visibility in December: 6mi

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

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Blue Mountain, Arkansas, USA

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