Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings a minor shift in the average high-temperature, adjusting from an enjoyable 62.1°F (16.7°C) in November to a mild 55.8°F (13.2°C). During the nights in December, Washington experiences a consistent average temperature of 40.6°F (4.8°C).Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In December, the rain falls for 12.2 days. Throughout December, 3.78" (96mm) of precipitation is accumulated. In Washington, during the entire year, the rain falls for 171.9 days and collects up to 35.91" (912mm) of precipitation.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. In Washington, during the entire year, snow falls for 1.8 days and aggregates up to 0.83" (21mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:32 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year in Washington.UV index
The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 3 turns into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month in Washington?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Washington, GA
- Average high temperature in December: 55.8°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Washington, GA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Washington, GA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Washington, GA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July and October (71%).
Average rainfall in December
Washington, GA
- Average rainfall in December: 3.78"
The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Washington, GA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Washington, GA
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Washington, GA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Washington, GA
- 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Washington, GA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Washington, GA
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Washington, GA
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in December
Washington, GA
- 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).
Washington, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location