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
In December, the average high-temperature decreases from a refreshing 58.8°F (14.9°C) in November to a frosty 48.6°F (9.2°C). Throughout the month of December, Geary sees a steady low-temperature average of 32°F (0°C).Humidity
The average relative humidity in December is 65%.Rainfall
January, February, November and December are months with the least rain when the rain falls for 5.3 days and typically aggregates up to 0.83" (21mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Geary, in December, snow falls for 2.5 days, with typically accumulated 0.47" (12mm) of snow. In Geary, during the entire year, snow falls for 10.7 days and aggregates up to 4.13" (105mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December in Geary, sunrise is at 7:25 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:30 pm CST.
Sunshine
The months with the least sunshine are November and December, with an average of 6.4h 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 the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Geary have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Geary, OK
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in December: 32°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 (30.7°F).
Average pressure in December
Geary, 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
Geary, OK
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Geary, OK
- Average humidity in December: 65%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Geary, OK
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (3.54").
The driest months (with the least rainfall) are January, February, November and December (0.83").
Average rainfall days in December
Geary, OK
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in December
Geary, OK
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Geary, OK
- Average snowfall days in December: 2.5 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
Geary, OK
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The months with the least sunshine are November and December (Average sunshine: 6h and 24min).
Average sunshine days in December
Geary, OK
- Average sunshine days in December: 23 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in December
Geary, 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
Geary, OK
- Average cloud cover in December: 28
The months with the most cloud cover are March and April (Cloud cover 34).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in December
Geary, 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).
Geary, Oklahoma, USA
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