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's onset corresponds with a shift in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in November to an icy 40.6°F (4.8°C). Rockbridge records a mean low-temperature of 29.5°F (-1.4°C) in December.Humidity
In Rockbridge, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 11.6 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In Rockbridge, during the entire year, the rain falls for 157.8 days and collects up to 26.85" (682mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Rockbridge, Ohio, in December, snow falls for 8.4 days, with typically accumulated 1.61" (41mm) of snow. Throughout the year, there are 38.8 snowfall days, and 12.32" (313mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:32 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Rockbridge?
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?
What is the average length of the day in December?
When are sunrise and sunset in December?
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, OH
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in December
Rockbridge, OH
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Rockbridge, OH
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Rockbridge, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are March, April, June, July, August, September, October and November (77%).
Average rainfall in December
Rockbridge, OH
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Rockbridge, OH
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Rockbridge, OH
- Average snowfall in December: 1.61"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Rockbridge, OH
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rockbridge, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Rockbridge, OH
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Rockbridge, OH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Rockbridge, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Rockbridge, OH
- Average visibility in December: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Rockbridge, Ohio, USA
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