Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a fresh 55°F (12.8°C) in November to a frosty 45.7°F (7.6°C). The average nighttime temperature lowers to an icy 33.8°F (1°C) throughout December.Humidity
The average relative humidity in December in Oklahoma is 79%.Rainfall
In Oklahoma, in December, it is raining for 12.1 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, in Oklahoma, there are 151.8 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 3.5 days. Throughout December, 0.47" (12mm) of snow is accumulated. Throughout the year, there are 18.9 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:44 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:39 pm CST.
Sunshine
In Oklahoma, the average sunshine in December is 4.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Oklahoma have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Oklahoma have in December?
When is the lowest UV index?
How high is the UV index in December in Oklahoma?
Average temperature in December
Oklahoma, KY
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Oklahoma, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Oklahoma, KY
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Oklahoma, KY
- Average humidity in December: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Oklahoma, KY
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are February and April (2.68").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Oklahoma, KY
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Oklahoma, KY
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Oklahoma, KY
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.5 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
Oklahoma, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 3min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Oklahoma, KY
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Oklahoma, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Oklahoma, KY
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Oklahoma, KY
- 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).
Oklahoma, Kentucky, USA
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