December weather forecast
Vian, OK

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Weather in December

December, the first month of the winter in Vian, is still a cool month, with an average temperature ranging between min 35.4°F (1.9°C) and max 50°F (10°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a mild 59.9°F (15.5°C) in November to a fresh 50°F (10°C). Throughout December, the average low-temperature in Vian dips to an icy 35.4°F (1.9°C).

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Vian, Oklahoma, during December, the rain falls for 9.5 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Vian, during the entire year, the rain falls for 149.8 days and collects up to 34.76" (883mm) of precipitation.

Snowfall

Months with snowfall in Vian are January through March, November and December. In Vian, in December, during 1.3 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, in Vian, there are 7.3 snowfall days, and 2.91" (74mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Vian, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 7:11 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:17 pm CST.

Sunshine

With an average of 5.5h of sunshine, December has the least sunshine of the year in Vian.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What is the usual temperature for Vian in December?

In Vian, in December, the average high-temperature is 50°F (10°C), and the average low-temperature is 35.4°F (1.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 93.2°F (34°C).

What is the average humidity in December in Vian?

In Vian, Oklahoma, the average relative humidity in December is 73%.

How much does it rain in Vian in December?

In Vian, Oklahoma, in December, it is raining for 9.5 days, with typically 2.4" (61mm) of accumulated precipitation.

How much does it snow in Vian in December?

In Vian, Oklahoma, during December, snow falls for 1.3 days and regularly aggregates up to 0.71" (18mm) of snow.

What is the month with the shortest days in Vian?

December has the shortest days of the year in Vian, with an average of 9h and 48min of daylight.

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

In December, the average day length in Vian, Oklahoma, is 9h and 49min.

What time are sunrise and sunset in December in Vian?

On the first day of December in Vian, Oklahoma, sunrise is at 7:11 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:17 pm CST.

What is the month with the least sunshine in Vian?

December has the least sunshine of the year in Vian, with an average of 5.5h of sunshine.

How many hours of sunshine does Vian have in December?

In Vian, Oklahoma, the average sunshine duration in December is 5.5h.

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

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

What is the UV index intensity in December in Vian?

In Vian, Oklahoma, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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
Vian, OK

Average temperature in December - Vian, OK
  • Average high temperature in December: 50°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (32°F).

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Average pressure in December
Vian, OK

Average pressure in December - Vian, OK
  • 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 (29.92"Hg).

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Average wind speed in December
Vian, OK

Average wind speed in December - Vian, OK
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

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Average humidity in December
Vian, OK

Average humidity in December - Vian, OK
  • Average humidity in December: 73%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (69%).

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Average rainfall in December
Vian, OK

Average rainfall in December - Vian, OK
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and February (2.09").

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Average rainfall days in December
Vian, OK

Average rainfall days in December - Vian, OK
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in December
Vian, OK

Average snowfall in December - Vian, OK
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (1.06").
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
Vian, OK

Average snowfall days in December - Vian, OK
  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Vian, OK

Average daylight in December / Average sunshine in December - Vian, OK
  • 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 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Vian, OK

Average sunshine days in December - Vian, OK
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is May (12 days).

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Average UV index in December
Vian, OK

Average UV index in December - Vian, OK
  • Average UV index in December: 2

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

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Average cloud cover in December
Vian, OK

Average cloud cover in December - Vian, OK
  • Average cloud cover in December: 39

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in December
Vian, OK

Average visibility in December - Vian, OK
  • Average visibility in December: 6mi

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

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Vian, Oklahoma, USA

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