December weather forecastRussellville, IN
December
Weather in December
The first month of the winter, December, is also a wintry month in Russellville, Indiana, with an average temperature fluctuating between 37.8°F (3.2°C) and 27.3°F (-2.6°C).Temperature
The commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 48.6°F (9.2°C) in November to a cold 37.8°F (3.2°C). Russellville observes an average nighttime low-temperature of 27.3°F (-2.6°C) during the month of December.Humidity
The average relative humidity in December is 82%.Rainfall
In December, the rain falls for 7.7 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. Throughout the year, in Russellville, there are 144.1 rainfall days, and 22.17" (563mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Russellville, during December, snow falls for 5.6 days and regularly aggregates up to 1.93" (49mm) of snow. In Russellville, during the entire year, snow falls for 28.6 days and aggregates up to 8.62" (219mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:50 am and sunset at 5:23 pm. On the last day of December, sunrise is at 8:09 am and sunset at 5:33 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Russellville, IN
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Russellville, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Russellville, IN
- Average wind speed in December: 9.6mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Russellville, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Russellville, IN
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in December
Russellville, IN
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (19.1 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in December
Russellville, IN
- Average snowfall in December: 1.93"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Russellville, IN
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Russellville, IN
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Russellville, IN
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Russellville, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Russellville, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Russellville, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
