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
December involves a decrease in temperature, down from an enjoyable 62.1°F (16.7°C) in November to a fresh 52.7°F (11.5°C). The temperature dips to an average of 38.3°F (3.5°C) during December nights.Humidity
In December, the average relative humidity is 72%.Rainfall
In December, in Cobb, the rain falls for 9.1 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 139 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Cobb, in December, during 0.4 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 3.4 snowfall days, and 1.93" (49mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 5:16 pm. On the last day of December, in Cobb, sunrise is at 7:31 am and sunset at 5:26 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
December is the month with the lowest UV index, 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 rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Cobb?
What is the month with the shortest days?
How many hours of daylight does Cobb have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December in Cobb?
Average temperature in December
Cobb, OK
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in December
Cobb, 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 (29.9"Hg).
Average wind speed in December
Cobb, OK
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Cobb, OK
- Average humidity in December: 72%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Cobb, OK
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in December
Cobb, OK
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Cobb, OK
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cobb, OK
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cobb, OK
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Cobb, OK
- Average sunshine days in December: 20 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in December
Cobb, 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
Cobb, OK
- Average cloud cover in December: 38
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Cobb, 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).
Cobb, Oklahoma, USA
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