December weather forecastClarksville, AR
December
Weather in December
The first month of the winter, December, is still a chilly month in Clarksville, Arkansas, with an average temperature varying between 33.8°F (1°C) and 49.1°F (9.5°C).Temperature
Clarksville's progression into December includes a drop in the average high-temperature, from a mild 58.1°F (14.5°C) in November to a frosty 49.1°F (9.5°C). During December, Clarksville observes a consistent average nighttime temperature of 33.8°F (1°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Clarksville, in December, during 9.6 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Clarksville, during the entire year, the rain falls for 146.4 days and collects up to 35.98" (914mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Clarksville, during December, snow falls for 0.2 days and regularly aggregates up to 0.39" (10mm) of snow. In Clarksville, during the entire year, snow falls for 4 days and aggregates up to 2.72" (69mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December in Clarksville, sunrise is at 7:05 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:11 pm CST.
Sunshine
In Clarksville, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clarksville, AR
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Clarksville, AR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Clarksville, AR
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Clarksville, AR
- Average humidity in December: 77%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in December
Clarksville, AR
- Average rainfall in December: 2.64"
The wettest months (with the highest rainfall) are April and May (4.41").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Clarksville, AR
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Clarksville, AR
- Average snowfall in December: 0.39"
The months with the highest snowfall are January and February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Clarksville, AR
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and February (1.5 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
Clarksville, AR
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in December
Clarksville, AR
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in December
Clarksville, AR
- Average UV index in December: 2
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 2).
Average cloud cover in December
Clarksville, AR
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in December
Clarksville, AR
- Average visibility in December: 5mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (5mi).
