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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a refreshing 58.6°F (14.8°C) to a cool 50.5°F (10.3°C). Smithville, during December, witnesses an average low-temperature of 35.1°F (1.7°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Smithville, in December, it is raining for 10.5 days, with typically 3.03" (77mm) of accumulated precipitation. In Smithville, during the entire year, the rain falls for 164 days and collects up to 40.12" (1019mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Smithville, Oklahoma, during December, snow falls for 1.5 days and regularly aggregates up to 0.79" (20mm) of snow. In Smithville, during the entire year, snow falls for 6.9 days and aggregates up to 2.72" (69mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:18 pm CST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Smithville?
How many hours of daylight does Smithville have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Smithville have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Smithville, OK
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Smithville, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Smithville, OK
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Smithville, OK
- Average humidity in December: 78%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Smithville, OK
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is January (2.28").
Average rainfall days in December
Smithville, OK
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in December
Smithville, OK
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Smithville, OK
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Smithville, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Smithville, OK
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in December
Smithville, OK
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Smithville, OK
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, August and September (Cloud cover 29).
Average visibility in December
Smithville, OK
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May and December (5mi).
Smithville, Oklahoma, USA
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