December weather forecast
Douglas, OK

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Weather in December

December marks a return to winter in Douglas, Oklahoma with the arrival of the first snowfall. Temperatures significantly plunge, oscillating between a frosty 30.9°F (-0.6°C) and a high of 47.7°F (8.7°C). These colder temperatures, with the added wind chill factor, make December the coldest month of the year. The return of the snow and ice requires adjustments in daily life, such as additional time for morning commutes or wearing layers of clothing for comfort and warmth. As the year ends, residents appreciate the beauty of the snowy landscapes amid the challenges posed by the severe weather conditions.

Temperature

December weather is marked by a drop in the average high-temperature, falling from a mild 58.6°F (14.8°C) in November to a frosty 47.7°F (8.7°C). In Douglas, the average low-temperature during the month of December is a freezing cold 30.9°F (-0.6°C).

Humidity

The average relative humidity in December is 67%.

Rainfall

The month with the least rainfall is December, when the rain falls for 5.5 days and typically collects 0.71" (18mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 1.8 days. Throughout December, 0.43" (11mm) of snow is accumulated. In Douglas, during the entire year, snow falls for 10.5 days and aggregates up to 4.02" (102mm) of snow.

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 7:24 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:26 pm CST.

Sunshine

The months with the least sunshine in Douglas are November and December, with an average of 6.3h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What are December temperatures?

An average high-temperature, in December, in Douglas, is 47.7°F (8.7°C) and the average low-temperature is 30.9°F (-0.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 67%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 5.5 days and typically collects 0.71" (18mm) of precipitation.

How many days does it rain in December?

In Douglas, during December, the rain falls for 5.5 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How much does it snow in Douglas in December?

In Douglas, during December, snow falls for 1.8 days and regularly aggregates up to 0.43" (11mm) 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 Douglas have in December?

The average day length in December is 9h and 44min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:24 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:26 pm CST.

What is the month with the least sunshine?

November and December, with an average of 6.3h of sunshine, are months with the least sunshine.

How many hours of sunshine does Douglas have in December?

In Douglas, the average sunshine duration in December is 6.3h.

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

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

What is the UV index intensity in December?

In December, the average daily maximum UV index in Douglas is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Douglas, OK

Average temperature in December - Douglas, OK
  • Average high temperature in December: 47.7°F

The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.1°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
Douglas, OK

Average pressure in December - Douglas, 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 (29.86"Hg).

Average wind speed in December
Douglas, OK

Average wind speed in December - Douglas, OK
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in December
Douglas, OK

Average humidity in December - Douglas, OK
  • Average humidity in December: 67%

The month with the highest relative humidity is May (69%).
The months with the lowest relative humidity are July and August (56%).

Average rainfall in December
Douglas, OK

Average rainfall in December - Douglas, OK
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in December
Douglas, OK

Average rainfall days in December - Douglas, OK
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Douglas, OK

Average snowfall in December - Douglas, OK
  • Average snowfall in December: 0.43"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Douglas, OK

Average snowfall days in December - Douglas, OK
  • Average snowfall days in December: 1.8 days

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

Average daylight in December /
Average sunshine in December
Douglas, OK

Average daylight in December / Average sunshine in December - Douglas, 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: 6h and 2min

The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).

Average sunshine days in December
Douglas, OK

Average sunshine days in December - Douglas, OK
  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in December
Douglas, OK

Average UV index in December - Douglas, 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).

Average cloud cover in December
Douglas, OK

Average cloud cover in December - Douglas, OK
  • Average cloud cover in December: 29

The months with the most cloud cover are March and April (Cloud cover 35).
The months with the least cloud cover are June and August (Cloud cover 19).

Average visibility in December
Douglas, OK

Average visibility in December - Douglas, 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).

Douglas, Oklahoma, USA

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