December weather forecastShelbyville, TX
December
Weather in December
December, the first month of the winter in Shelbyville, is also a moderate month, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 57.4°F (14.1°C).Temperature
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a comfortable 65.3°F (18.5°C) in November to a moderate 57.4°F (14.1°C). In December, the recorded average low-temperature is a frosty 42.8°F (6°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Shelbyville, during December, the rain falls for 12.6 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Shelbyville, during the entire year, the rain falls for 160.4 days and collects up to 35.83" (910mm) of precipitation.Snowfall
January through March, September and December are months with snowfall in Shelbyville. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.12" (3mm) of snow. In Shelbyville, during the entire year, snow falls for 2.6 days and aggregates up to 0.79" (20mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Shelbyville.On the first day of December, sunrise is at 6:58 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:23 pm CST.
Sunshine
December has the least sunshine of the year in Shelbyville, with an average of 5h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Shelbyville. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shelbyville, TX
- Average high temperature in December: 57.4°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in December
Shelbyville, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Shelbyville, TX
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in December
Shelbyville, TX
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Shelbyville, TX
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.44").
Average rainfall days in December
Shelbyville, TX
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is March (15.5 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in December
Shelbyville, TX
- Average snowfall in December: 0.12"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, October and November (0").
Average snowfall days in December
Shelbyville, TX
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Shelbyville, TX
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 0min
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 0min).
Average sunshine days in December
Shelbyville, TX
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Shelbyville, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Shelbyville, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Shelbyville, TX
- Average visibility in December: 5mi
The months with the highest visibility are June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September and December (5mi).
