December weather forecastSheppard, AR
December
Weather in December
The first month of the winter, December, is still a cool month in Sheppard, Arkansas, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 38.8°F (3.8°C).Temperature
The start of December comes with a small reduction in the average high-temperature, subtly receding from an enjoyable 62.1°F (16.7°C) in November to a cool 54°F (12.2°C). During December, the temperature is averaged to a low of 38.8°F (3.8°C) at night.Humidity
The months with the highest humidity are February, March and December, with an average relative humidity of 80%.Rainfall
In Sheppard, in December, it is raining for 11.1 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 142 rainfall days, and 27.17" (690mm) of precipitation is accumulated.Snowfall
In Sheppard, snow does not fall in April through December.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:17 pm CST.
Sunshine
In December, the average sunshine is 5.2h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To protect against the Sun's most potent rays, avoid direct exposure around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sheppard, AR
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 38.8°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in December
Sheppard, AR
- Average pressure in December: 30.13"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
Sheppard, AR
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Sheppard, AR
- Average humidity in December: 80%
The months with the highest relative humidity are February, March and December (80%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in December
Sheppard, AR
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Sheppard, AR
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Sheppard, AR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Sheppard, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.7 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
Sheppard, AR
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Sheppard, AR
- Average sunshine days in December: 18.1 days
The months with the most sunshine days are January and October (20 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in December
Sheppard, AR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Sheppard, AR
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Sheppard, AR
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
