December weather forecast
Coil, OK

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Weather in December

The first month of the winter, December, is still a cool month in Coil, Oklahoma, with an average temperature fluctuating between 50.2°F (10.1°C) and 36.1°F (2.3°C).

Temperature

Coil in December experiences a subtle temperature decline, with average high-temperatures reducing from a refreshing 60.3°F (15.7°C) in November to a cool 50.2°F (10.1°C). Throughout December, the average low-temperature in Coil dips to a wintry 36.1°F (2.3°C).

Humidity

In December, the average relative humidity is 69%.

Rainfall

In Coil, in December, during 7.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, there are 135.4 rainfall days, and 28.9" (734mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Coil are January through April, November and December. In Coil, in December, during 0.9 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Coil, Oklahoma, during the entire year, snow falls for 5.7 days and aggregates up to 3.35" (85mm) of snow.

Daylight

December has the shortest days of the year in Coil, with an average of 9h and 54min of daylight.
On the first day of December in Coil, sunrise is at 7:15 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:25 pm CST.

Sunshine

The month with the least sunshine in Coil is December, with an average of 5.8h of sunshine.

UV index

December is the month with the lowest UV index in Coil, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What are the temperatures in Coil in December?

In December, in Coil, the average high-temperature is 50.2°F (10.1°C), and the average low-temperature is 36.1°F (2.3°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in December in Coil?

In Coil, Oklahoma, the average relative humidity in December is 69%.

How much does it rain in Coil in December?

In December, in Coil, Oklahoma, the rain falls for 7.5 days. Throughout December, 1.54" (39mm) of precipitation is accumulated.

How much does it snow in Coil in December?

In Coil, Oklahoma, in December, snow falls for 0.9 days, with typically accumulated 0.51" (13mm) of snow.

What is the month with the shortest days in Coil?

December has the shortest days of the year in Coil, Oklahoma, with an average of 9h and 54min of daylight.

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

In Coil, the average day length in December is 9h and 53min.

When are sunrise and sunset in December in Coil?

On the first day of December in Coil, sunrise is at 7:15 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:25 pm CST.

What is the month with the least sunshine in Coil?

December has the least sunshine of the year, with an average of 5.8h of sunshine.

How many hours of sunshine does Coil have in December?

The average sunshine duration in December in Coil, Oklahoma, is 5.8h.

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

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

How high is the UV index in December in Coil?

In Coil, the average daily maximum UV index in December is 2. 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
Coil, OK

Average temperature in December - Coil, OK
  • Average high temperature in December: 50.2°F

The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (49.3°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in December
Coil, OK

Average pressure in December - Coil, OK
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Coil, OK

Average wind speed in December - Coil, OK
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is March (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

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Average humidity in December
Coil, OK

Average humidity in December - Coil, OK
  • Average humidity in December: 69%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in December
Coil, OK

Average rainfall in December - Coil, OK
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in December
Coil, OK

Average rainfall days in December - Coil, OK
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.7 days).

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Average snowfall in December
Coil, OK

Average snowfall in December - Coil, OK
  • Average snowfall in December: 0.51"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Coil, OK

Average snowfall days in December - Coil, OK
  • Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is February (2.5 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
Coil, OK

Average daylight in December / Average sunshine in December - Coil, OK
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in December
Coil, OK

Average sunshine days in December - Coil, OK
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (13.2 days).

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Average UV index in December
Coil, OK

Average UV index in December - Coil, 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
Coil, OK

Average cloud cover in December - Coil, OK
  • Average cloud cover in December: 34

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in December
Coil, OK

Average visibility in December - Coil, 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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Coil, Oklahoma, USA

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