December weather forecast
West Siloam Springs, OK

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Weather in December

December, the first month of the winter in West Siloam Springs, is still a chilly month, with an average temperature varying between 32.2°F (0.1°C) and 47.1°F (8.4°C).

Temperature

Observing a mild shift, the average high-temperature during December reduces from November's refreshing 57.2°F (14°C) to a frosty 47.1°F (8.4°C). West Siloam Springs's nighttime temperature in December falls to an average of 32.2°F (0.1°C).

Humidity

In December, the average relative humidity is 74%.

Rainfall

In West Siloam Springs, in December, during 8.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 156 rainfall days, and 34.41" (874mm) of precipitation is accumulated.

Snowfall

January through March, May, November and December are months with snowfall. In West Siloam Springs, in December, during 2.4 snowfall days, 0.59" (15mm) of snow is typically accumulated. Throughout the year, there are 12.2 snowfall days, and 4.21" (107mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:14 pm CST.

Sunshine

January and December, with an average of 5.4h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during December translates into the following guidance:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

What is the temperature in December?

December temperatures vary between a high-temperature of 47.1°F (8.4°C) and a low-temperature of 32.2°F (0.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 74%.

How many days does it rain in December?

In West Siloam Springs, Oklahoma, in December, during 8.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

How many days does it snow in December in West Siloam Springs?

In West Siloam Springs, in December, snow falls for 2.4 days, with typically accumulated 0.59" (15mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

How many hours of daylight does West Siloam Springs have in December?

In West Siloam Springs, the average day length in December is 9h and 45min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:11 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

The months with the least sunshine are January and December, with an average of 5.4h of sunshine.

How many hours of sunshine does West Siloam Springs have in December?

In December, the average sunshine duration is 5.4h.

What are the months with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
West Siloam Springs, OK

Average temperature in December - West Siloam Springs, OK
  • Average high temperature in December: 47.1°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in December
West Siloam Springs, OK

Average pressure in December - West Siloam Springs, OK
  • Average pressure in December: 30.14"Hg

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

Average wind speed in December
West Siloam Springs, OK

Average wind speed in December - West Siloam Springs, OK
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in December
West Siloam Springs, OK

Average humidity in December - West Siloam Springs, OK
  • Average humidity in December: 74%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (71%).

Average rainfall in December
West Siloam Springs, OK

Average rainfall in December - West Siloam Springs, OK
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.73").

Average rainfall days in December
West Siloam Springs, OK

Average rainfall days in December - West Siloam Springs, OK
  • Average rainfall days in December: 8.9 days

The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
West Siloam Springs, OK

Average snowfall in December - West Siloam Springs, OK
  • Average snowfall in December: 0.59"

The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in December
West Siloam Springs, OK

Average snowfall days in December - West Siloam Springs, OK
  • Average snowfall days in December: 2.4 days

The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
West Siloam Springs, OK

Average daylight in December / Average sunshine in December - West Siloam Springs, OK
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

Average sunshine days in December
West Siloam Springs, OK

Average sunshine days in December - West Siloam Springs, OK
  • Average sunshine days in December: 19 days

The month with the most sunshine days is December (19 days).
The month with the least sunshine days is July (11.2 days).

Average UV index in December
West Siloam Springs, OK

Average UV index in December - West Siloam Springs, OK
  • Average UV index in December: 2

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

Average cloud cover in December
West Siloam Springs, OK

Average cloud cover in December - West Siloam Springs, OK
  • Average cloud cover in December: 41

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in December
West Siloam Springs, OK

Average visibility in December - West Siloam Springs, 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).

West Siloam Springs, Oklahoma, USA

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