December weather forecastMoro Bay, AR
December
Weather in December
December, the first month of the winter in Moro Bay, is still a cool month, with an average temperature varying between 40.1°F (4.5°C) and 54.7°F (12.6°C).Temperature
Moro Bay's transition into December involves a gentle shift in temperature, receding from an enjoyable 62.8°F (17.1°C) in November to a fresh 54.7°F (12.6°C). During December, Moro Bay records a consistent average nighttime temperature of 40.1°F (4.5°C).Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Moro Bay, in December, it is raining for 11.7 days, with typically 3.62" (92mm) of accumulated precipitation. Throughout the year, there are 147.8 rainfall days, and 35.47" (901mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 2.7 snowfall days, and 0.91" (23mm) of snow is accumulated.Daylight
December has the shortest days of the year in Moro Bay, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:12 am and sunset at 5:12 pm CST.
Sunshine
In December, the average sunshine is 5.1h.UV index
January, February 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 moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Moro Bay, AR
- Average high temperature in December: 54.7°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in December
Moro Bay, 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 (29.94"Hg).
Average wind speed in December
Moro Bay, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Moro Bay, AR
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are July, August and October (71%).
Average rainfall in December
Moro Bay, AR
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is July (2.17").
Average rainfall days in December
Moro Bay, AR
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Moro Bay, AR
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Moro Bay, AR
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.2 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
Moro Bay, AR
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 6min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Moro Bay, AR
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is March (13.8 days).
Average UV index in December
Moro Bay, 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 and December (UV index 3).
Average cloud cover in December
Moro Bay, AR
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in December
Moro Bay, 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).





