December weather forecast
Mountain View, AR

Weather in December

December, the first month of the winter in Mountain View, is still a chilly month, with an average temperature fluctuating between 34.2°F (1.2°C) and 48.4°F (9.1°C).

Temperature

In December, the average high-temperature marginally drops from a mild 56.8°F (13.8°C) in November to a chilly 48.4°F (9.1°C). In December, the average low-temperature is 34.2°F (1.2°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

In December, in Mountain View, the rain falls for 9.5 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 156.1 rainfall days, and 34.69" (881mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In December, in Mountain View, it is snowing for 1.2 days. Throughout December, 1.02" (26mm) of snow is accumulated. In Mountain View, Arkansas, during the entire year, snow falls for 8.6 days and aggregates up to 5.12" (130mm) of snow.

Daylight

December has the shortest days of the year in Mountain View, with an average of 9h and 46min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:54 pm. On the last day of December, in Mountain View, Arkansas, sunrise is at 7:18 am and sunset at 5:04 pm CST.

Sunshine

In Mountain View, the average sunshine in December is 5.4h.

UV index

December is the month with the lowest UV index in Mountain View, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Mountain View?

In Mountain View, in December, the average high-temperature is 48.4°F (9.1°C), and the average low-temperature is 34.2°F (1.2°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 87.8°F (31°C).

What is the average humidity in December in Mountain View?

In December, the average relative humidity is 77%.

How much does it rain in Mountain View in December?

In Mountain View, in December, during 9.5 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How much does it snow in Mountain View in December?

In Mountain View, in December, during 1.2 snowfall days, 1.02" (26mm) of snow is typically accumulated.

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

The month with the shortest days in Mountain View is December, with an average of 9h and 46min of daylight.

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

In December, the average day length in Mountain View, Arkansas, is 9h and 46min.

When are sunrise and sunset in December in Mountain View?

On the first day of December in Mountain View, Arkansas, sunrise is at 7:00 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:04 pm CST.

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

The average sunshine duration in December in Mountain View is 5.4h.

When is the lowest UV index in Mountain View?

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

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

In December, the average daily maximum UV index in Mountain View, Arkansas, 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mountain View, AR

Average temperature in December - Mountain View, AR
  • Average high temperature in December: 48.4°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in December
Mountain View, AR

Average pressure in December - Mountain View, 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
Mountain View, AR

Average wind speed in December - Mountain View, AR
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Mountain View, AR

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

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Mountain View, AR

Average rainfall in December - Mountain View, AR
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Mountain View, AR

Average rainfall days in December - Mountain View, AR
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in December
Mountain View, AR

Average snowfall in December - Mountain View, AR
  • Average snowfall in December: 1.02"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Mountain View, AR

Average snowfall days in December - Mountain View, AR
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Mountain View, AR
  • Average daylight in December: 9h and 46min

The month with the longest days is June (Average daylight: 14h and 33min).
The month with the shortest days is December (Average daylight: 9h and 46min).

  • Average sunshine in December: 5h and 24min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in December
Mountain View, AR

Average sunshine days in December - Mountain View, AR
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is August (10.8 days).

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Average UV index in December
Mountain View, AR

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Mountain View, AR

Average cloud cover in December - Mountain View, AR
  • Average cloud cover in December: 42

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in December
Mountain View, AR

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

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

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