December weather forecastDayton, AR
December
Weather in December
December, the first month of the winter in Dayton, is still a cool month, with an average temperature ranging between max 50.9°F (10.5°C) and min 35.2°F (1.8°C).Temperature
Observing a mild shift, the average high-temperature during December reduces from November's moderate 60.1°F (15.6°C) to a fresh 50.9°F (10.5°C). In December, Dayton experiences an average nighttime temperature of 35.2°F (1.8°C).Humidity
The average relative humidity in December is 77%.Rainfall
In December, in Dayton, the rain falls for 10 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. In Dayton, during the entire year, the rain falls for 148.5 days and collects up to 35.75" (908mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Dayton, in December, during 1 snowfall days, 0.67" (17mm) of snow is typically accumulated. Throughout the year, there are 6 snowfall days, and 2.76" (70mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:07 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:25 am and sunset at 5:15 pm CST.
Sunshine
January and December, with an average of 5.3h of sunshine, are months with the least sunshine in Dayton, Arkansas.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dayton, AR
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (48.7°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 (32.2°F).
Average pressure in December
Dayton, AR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Dayton, AR
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Dayton, AR
- Average humidity in December: 77%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Dayton, AR
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
Dayton, AR
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Dayton, AR
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Dayton, AR
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Dayton, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Dayton, AR
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (12.7 days).
Average UV index in December
Dayton, 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
Dayton, AR
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in December
Dayton, 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).





