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
Russellville experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from 64°F (17.8°C) in November to a still refreshing 58.5°F (14.7°C). December nights cool down to an average low-temperature of 42.8°F (6°C).Humidity
May, August, September and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In December, the rain falls for 8.2 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. In Russellville, during the entire year, the rain falls for 139.5 days and collects up to 15.75" (400mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days in Russellville is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:22 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 3 in December transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Russellville in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Russellville have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Russellville have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Russellville, SC
- Average high temperature in December: 58.5°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in December
Russellville, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Russellville, SC
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Russellville, SC
- Average humidity in December: 78%
The months with the highest relative humidity are May, August, September and December (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Russellville, SC
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Russellville, SC
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in December
Russellville, SC
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Russellville, SC
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Russellville, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Russellville, SC
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (6.8 days).
Average UV index in December
Russellville, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Russellville, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Russellville, SC
- 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).
Russellville, South Carolina, USA
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