December weather forecastDexter, AR
December
Weather in December
December, the first month of the winter in Dexter, is also a fresh month, with an average temperature ranging between min 39.4°F (4.1°C) and max 52.7°F (11.5°C).Temperature
The beginning of December brings a slight decrease in the average high-temperature, transitioning from an enjoyable 61.3°F (16.3°C) in November to a cool 52.7°F (11.5°C). In the month of December, Dexter witnesses a consistent average low-temperature of 39.4°F (4.1°C).Humidity
February, March and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Dexter, in December, it is raining for 9.8 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 130.3 rainfall days, and 18.54" (471mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:56 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:09 pm CST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February, November 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 medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dexter, AR
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in December
Dexter, 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
Dexter, AR
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Dexter, AR
- Average humidity in December: 78%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Dexter, AR
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is April (1.93").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in December
Dexter, AR
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in December
Dexter, AR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Dexter, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.3 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
Dexter, AR
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Dexter, AR
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Dexter, AR
- 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, February, November and December (UV index 3).
Average cloud cover in December
Dexter, AR
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Dexter, AR
- 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).





