December weather forecastArcadia, AR
December
Weather in December
December, the first month of the winter in Arcadia, is still a cool month, with an average temperature varying between 38.5°F (3.6°C) and 53.6°F (12°C).Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a refreshing 61.9°F (16.6°C) in November to a fresh 53.6°F (12°C). Arcadia, during the nights of December, experiences an average temperature drop to an icy 38.5°F (3.6°C).Humidity
February, March and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In December, the rain falls for 8.7 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 121.9 rainfall days, and 16.65" (423mm) of precipitation is accumulated.Snowfall
In Arcadia, snow does not fall in April through August, October through December.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:18 am and sunset at 5:15 pm CST.
Sunshine
The average sunshine in December is 5.2h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arcadia, AR
- Average high temperature in December: 53.6°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Arcadia, 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 (29.94"Hg).
Average wind speed in December
Arcadia, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Arcadia, AR
- Average humidity in December: 80%
The months with the highest relative humidity are February, March and December (80%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Arcadia, AR
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is April (1.97").
The driest months (with the least rainfall) are September and November (0.87").
Average rainfall days in December
Arcadia, AR
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is July (13.1 days).
The month with the least rainy days is October (7.8 days).
Average snowfall in December
Arcadia, AR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, October, November and December (0").
Average snowfall days in December
Arcadia, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Arcadia, 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 July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Arcadia, AR
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is February (15.2 days).
Average UV index in December
Arcadia, 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
Arcadia, AR
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).
Average visibility in December
Arcadia, 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).





