December weather forecastMorrilton, AR
December
Weather in December
The first month of the winter, December, is also a fresh month in Morrilton, Arkansas, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 35.2°F (1.8°C).Temperature
With the onset of December, Morrilton experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderate 58.8°F (14.9°C) in November to a fresh 50.5°F (10.3°C). Morrilton encounters an average low-temperature of 35.2°F (1.8°C) during December nights.Humidity
In December, the average relative humidity is 78%.Rainfall
In December, the rain falls for 11.1 days. Throughout December, 2.87" (73mm) of precipitation is accumulated. In Morrilton, Arkansas, during the entire year, the rain falls for 153.8 days and collects up to 36.18" (919mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Morrilton, in December, during 0.4 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Morrilton, during the entire year, snow falls for 4.8 days and aggregates up to 2.68" (68mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:59 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:09 pm CST.
Sunshine
In Morrilton, the average sunshine in December is 5.5h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Morrilton, AR
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in December
Morrilton, 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
Morrilton, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Morrilton, AR
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and October (72%).
Average rainfall in December
Morrilton, AR
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Morrilton, AR
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Morrilton, AR
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Morrilton, AR
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (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
Morrilton, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Morrilton, AR
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
Morrilton, 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
Morrilton, AR
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Morrilton, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
