December weather forecast
Langley, OK

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Weather in December

December, the first month of the winter in Langley, is also a frosty month, with an average temperature ranging between min 32.9°F (0.5°C) and max 46.9°F (8.3°C).

Temperature

In the transition to December, Langley observes a drop in the average high-temperature, moving from a mild 57.6°F (14.2°C) in November to a chilly 46.9°F (8.3°C). Langley records an average nighttime low of 32.9°F (0.5°C) in December.

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Langley, in December, during 4.9 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, in Langley, there are 112.7 rainfall days, and 14.33" (364mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, May, November and December. In Langley, during December, snow falls for 1.7 days and regularly aggregates up to 0.12" (3mm) of snow. In Langley, during the entire year, snow falls for 8.4 days and aggregates up to 1.1" (28mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:14 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:15 pm CST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What is the average December temperature?

Langley in December has an average high-temperature of 46.9°F (8.3°C) and an average low-temperature of 32.9°F (0.5°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 estimated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 73%.

How much does it rain in December?

In Langley, in December, it is raining for 4.9 days, with typically 0.55" (14mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 1.7 days. Throughout December, 0.12" (3mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Langley, Oklahoma.

How many hours of daylight does Langley have in December?

The average day length in December is 9h and 43min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:15 pm CST.

What are the months with the least sunshine?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In Langley, the average sunshine duration in December is 5.5h.

When is the lowest UV index?

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December?

In Langley, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Langley, OK

Average temperature in December - Langley, OK
  • Average high temperature in December: 46.9°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

Average pressure in December
Langley, OK

Average pressure in December - Langley, OK
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Langley, OK

Average wind speed in December - Langley, OK
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

Average humidity in December
Langley, OK

Average humidity in December - Langley, OK
  • Average humidity in December: 73%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Langley, OK

Average rainfall in December - Langley, OK
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is November (0.51").

Average rainfall days in December
Langley, OK

Average rainfall days in December - Langley, OK
  • Average rainfall days in December: 4.9 days

The months with the highest number of rainy days are May and June (12.4 days).
The month with the least rainy days is December (4.9 days).

Average snowfall in December
Langley, OK

Average snowfall in December - Langley, OK
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in December
Langley, OK

Average snowfall days in December - Langley, OK
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Langley, 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: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in December
Langley, OK

Average sunshine days in December - Langley, OK
  • Average sunshine days in December: 22.8 days

The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is April (14.8 days).

Average UV index in December
Langley, OK

Average UV index in December - Langley, OK
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Langley, OK

Average cloud cover in December - Langley, OK
  • Average cloud cover in December: 39

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in December
Langley, OK

Average visibility in December - Langley, 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).

Langley, Oklahoma, USA

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