December weather forecastWashington, AR
December
Weather in December
The first month of the winter, December, is also a fresh month in Washington, Arkansas, with an average temperature ranging between min 38.8°F (3.8°C) and max 54°F (12.2°C).Temperature
A moderate decline in average high-temperatures is noted in December, moving from a refreshing 62.1°F (16.7°C) in November to a cool 54°F (12.2°C). Washington anticipates an average minimum temperature of 38.8°F (3.8°C) in the month of December.Humidity
February, March and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Washington, in December, during 11.1 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Washington, during the entire year, the rain falls for 142 days and collects up to 27.17" (690mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Washington.On the first day of the month, sunrise is at 7:02 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:16 pm CST.
Sunshine
In Washington, the average sunshine in December is 5.2h.UV index
The month with the lowest UV index in Washington, Arkansas, is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Washington, AR
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 38.8°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in December
Washington, 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 (29.93"Hg).
Average wind speed in December
Washington, AR
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Washington, AR
- Average humidity in December: 80%
The months with the highest relative humidity are February, March and December (80%).
The months with the lowest relative humidity are August and September (70%).
Average rainfall in December
Washington, AR
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Washington, AR
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Washington, AR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Washington, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (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
Washington, AR
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Washington, AR
- Average sunshine days in December: 18.1 days
The months with the most sunshine days are January and October (20 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in December
Washington, 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
Washington, AR
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Washington, 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).
