December weather forecast and climate
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

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

Temperature

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

Humidity

The average relative humidity is 66%.

Rainfall

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

Snowfall

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

Daylight

The month with the shortest days in Oklahoma City is December, with an average of 9.8h of daylight.

Sunshine

December has the least sunshine of the year in Oklahoma City, with an average of 6h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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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).

What is the average humidity in December in Oklahoma City?

In December, the average relative humidity in Oklahoma City is 66%.

How much does it rain in Oklahoma City in December?

In Oklahoma City, in December, it is raining for 6.1 days, with typically 0.91" (23mm) of accumulated precipitation.

What is the driest month in Oklahoma City?

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

How much does it snow in Oklahoma City in December?

In December, it is snowing for 1.7 days. Throughout December, 0.51" (13mm) of snow is accumulated.

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

December has the shortest days of the year, with an average of 9.8h of daylight.

What is the average length of the day in December in Oklahoma City?

In Oklahoma City, the average length of the day in December is 9.8h.

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

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

How long on average sun shines in December in Oklahoma City?

In December, the average sunshine in Oklahoma City, Oklahoma, is 6h.

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

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

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

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.

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"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.87").

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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").
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).
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: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 6h

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

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

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

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