Oklahoma City
Oklahoma, USA
Long-term weather forecast
Long-term weather forecast

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

Humidity

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

Rainfall

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

Snowfall

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

Daylight

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

Sunshine

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

UV index

December is the month with the lowest UV index in Oklahoma City, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Oklahoma City?

The average high-temperature, in December, in Oklahoma City, is 49.1°F (9.5°C), while the average low-temperature is 33.4°F (0.8°C).

What is the average humidity in December in Oklahoma City?

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

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

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 is December when the rain falls for 6.1 days and typically collects 0.91" (23mm) of precipitation.

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

In Oklahoma City, 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?

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

What is the average length of the day in December 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 in Oklahoma City is December, with an average of 6h of sunshine.

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

The average sunshine in December is 6h.

When is 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 reading in December in Oklahoma City?

In Oklahoma City, Oklahoma, 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 the UV radiation.
Average temperature in December - Oklahoma City, OK
  • Average high temperature in December: 9.5°C

The warmest month (with the highest average high temperature) is July (34.2°C).
The month with the lowest average high temperature is January (9.2°C).

  • Average low temperature in December: 0.8°C

The month with the highest average low temperature is July (22.9°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).

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%).

Average rainfall in December - Oklahoma City, OK
  • Average rainfall in December: 23mm

The wettest month (with the highest rainfall) is May (104mm).
The driest month (with the lowest rainfall) is December (23mm).

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 lowest number of rainy days is January (4.5 days).

Average snowfall in December - Oklahoma City, OK
  • Average snowfall in December: 13mm

The month with the highest snowfall is February (32mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

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 lowest number of snowfall days are May, June, July, August and September (0 days).

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 shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 6h

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

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).