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 reveals a small adjustment in temperature, transitioning from an average high of a comfortable 61.3°F (16.3°C) in November to a cool 53.8°F (12.1°C). Rockbridge's temperature in December lowers to a consistent average of 39.7°F (4.3°C) during the nights.Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
In Rockbridge, in December, it is raining for 13.3 days, with typically 3.7" (94mm) of accumulated precipitation. In Rockbridge, during the entire year, the rain falls for 182.9 days and collects up to 40.39" (1026mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Rockbridge, in December, during 0.3 snowfall days, 0.12" (3mm) of snow is typically accumulated. Throughout the year, there are 2.4 snowfall days, and 1.5" (38mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:38 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.1h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
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. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rockbridge have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Rockbridge have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rockbridge, GA
- Average high temperature in December: 53.8°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 39.7°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 (35.2°F).
Average pressure in December
Rockbridge, GA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Rockbridge, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Rockbridge, GA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Rockbridge, GA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is August (5.35").
The driest month (with the least rainfall) is October (2.2").
Average rainfall days in December
Rockbridge, GA
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Rockbridge, GA
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Rockbridge, GA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.9 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
Rockbridge, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Rockbridge, GA
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in December
Rockbridge, GA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Rockbridge, GA
- Average cloud cover in December: 45
The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Rockbridge, 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).
Rockbridge, Georgia, USA
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