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 weather is marked by a drop in the average high-temperature, falling from a comfortable 62.1°F (16.7°C) in November to a fresh 53.1°F (11.7°C). In the month of December, the nighttime temperature dips to a steady average of 38.3°F (3.5°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Valliant, in December, it is raining for 11.5 days, with typically 3.66" (93mm) of accumulated precipitation. In Valliant, during the entire year, the rain falls for 154.3 days and collects up to 40.59" (1031mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Valliant, Oklahoma. Throughout December, in the average 0.5 snowfall days, it receives 0.63" (16mm) of snow. Throughout the year, there are 3.9 snowfall days, and 2.36" (60mm) 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 7:08 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:25 am and sunset at 5:21 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December in Valliant?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Valliant, OK
- Average high temperature in December: 53.1°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Valliant, 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 (29.92"Hg).
Average wind speed in December
Valliant, OK
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Valliant, OK
- Average humidity in December: 77%
The months with the highest relative humidity are February, March and May (78%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Valliant, OK
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is May (5.24").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Valliant, OK
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Valliant, OK
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Valliant, OK
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.6 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
Valliant, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Valliant, OK
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in December
Valliant, OK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Valliant, OK
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Valliant, 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).
Valliant, Oklahoma, USA
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