December weather forecast
Oklahoma City, OK

The State Capitol Building, Oklahoma City, Oklahoma, with flags and a statue outside
The State Capitol Building, Oklahoma City, Oklahoma, with flags and a statue outside

Weather in December

December, the first month of the winter in Oklahoma City, is also a frosty month, with an average temperature varying between 33.4°F (0.8°C) and 49.1°F (9.5°C).

Temperature

In Oklahoma City, the average high-temperature in December decreases from a moderate 59.5°F (15.3°C) in November to a frosty 49.1°F (9.5°C). The average low-temperature, in December, is 33.4°F (0.8°C).

Humidity

The average relative humidity in December in Oklahoma City is 66%.

Rainfall

The month with the least rainfall in Oklahoma City is December, when the rain falls for 6.1 days and typically collects 0.91" (23mm) of precipitation.

Snowfall

Months with snowfall in Oklahoma City are January through April, November and December. In Oklahoma City, Oklahoma, during December, snow falls for 1.7 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, in Oklahoma City, Oklahoma, there are 8.1 snowfall days, and 3.54" (90mm) of snow is accumulated.

Daylight

With an average of 9h and 49min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:20 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:38 am and sunset at 5:27 pm CST.

Sunshine

The month with the least sunshine in Oklahoma City is December, with an average of 6h of sunshine.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Oklahoma City?

In December, in Oklahoma City, Oklahoma, the average high-temperature is 49.1°F (9.5°C), and the average low-temperature is 33.4°F (0.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 89.6°F (32°C).

What is the average humidity in December in Oklahoma City?

In December, the average relative humidity is 66%.

What is the driest month in Oklahoma City?

December is the month with the least rainfall in Oklahoma City, Oklahoma. Rain falls for 6.1 days and accumulates 0.91" (23mm) of precipitation.

How many days does it rain in December in Oklahoma City?

In December, in Oklahoma City, Oklahoma, the rain falls for 6.1 days. Throughout December, 0.91" (23mm) of precipitation is accumulated.

How many days does it snow in December in Oklahoma City?

In Oklahoma City, Oklahoma, in December, snow falls for 1.7 days, with typically accumulated 0.51" (13mm) of snow.

What is the month with the shortest days in Oklahoma City?

The month with the shortest days is December, with an average of 9h and 49min of daylight.

How many hours of daylight does Oklahoma City have in December?

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

What time are sunrise and sunset in December in Oklahoma City?

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:27 pm CST.

What is the month with the least sunshine in Oklahoma City?

The month with the least sunshine in Oklahoma City, Oklahoma, is December, with an average of 6h of sunshine.

How many hours of sunshine does Oklahoma City have in December?

In December, the average sunshine duration is 6h.

What is the month with the lowest UV index in Oklahoma City?

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

What is the UV index intensity in December in Oklahoma City?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
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
Oklahoma City, OK

Average temperature in December - Oklahoma City, OK
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (48.6°F).

  • Average low temperature in December: 33.4°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

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Average pressure in December
Oklahoma City, OK

Average pressure in December - Oklahoma City, 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 (29.87"Hg).

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Average wind speed in December
Oklahoma City, OK

Average wind speed in December - Oklahoma City, OK
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

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Average humidity in December
Oklahoma City, OK

Average humidity in December - Oklahoma City, OK
  • Average humidity in December: 66%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (60%).

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Average rainfall in December
Oklahoma City, OK

Average rainfall in December - Oklahoma City, OK
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.91").

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Average rainfall days in December
Oklahoma City, OK

Average rainfall days in December - Oklahoma City, OK
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.5 days).

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Average snowfall in December
Oklahoma City, OK

Average snowfall in December - Oklahoma City, OK
  • Average snowfall in December: 0.51"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Oklahoma City, OK

Average snowfall days in December - Oklahoma City, OK
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (3 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
Oklahoma City, OK

Average daylight in December / Average sunshine in December - Oklahoma City, OK
  • Average daylight in December: 9h and 49min

The month with the longest days is June (Average daylight: 14h and 31min).
The month with the shortest days is December (Average daylight: 9h and 49min).

  • Average sunshine in December: 6h

The months with the most sunshine are July and August (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in December
Oklahoma City, OK

Average sunshine days in December - Oklahoma City, OK
  • Average sunshine days in December: 22.8 days

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (13.9 days).

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Average UV index in December
Oklahoma City, OK

Average UV index in December - Oklahoma City, 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
Oklahoma City, OK

Average cloud cover in December - Oklahoma City, OK
  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in December
Oklahoma City, OK

Average visibility in December - Oklahoma City, 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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