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
As December arrives, Waynesboro's weather displays a minor decrease in high-temperatures, transitioning from November's fresh 52.7°F (11.5°C) to a chilly 44.8°F (7.1°C). December is noted for a mean low-temperature of 30.4°F (-0.9°C).Humidity
In Waynesboro, the average relative humidity in December is 77%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Waynesboro, Virginia, during the entire year, the rain falls for 161 days and collects up to 31.57" (802mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Waynesboro, during December, snow falls for 3.2 days and regularly aggregates up to 2.64" (67mm) of snow. In Waynesboro, Virginia, during the entire year, snow falls for 21.6 days and aggregates up to 17.4" (442mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:06 pm EST.
Sunshine
January and December, with an average of 5.3h of sunshine, are months with the least sunshine.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider carefully! The reflective quality of snow 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
What is the average December temperature?
What is the average humidity in December in Waynesboro?
How much does it rain in December?
How many days does it snow in December?
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 are the months with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index in Waynesboro?
What is the UV index reading in December?
Average temperature in December
Waynesboro, VA
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Waynesboro, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Waynesboro, VA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Waynesboro, VA
- Average humidity in December: 77%
The months with the highest relative humidity are May, September and October (78%).
The months with the lowest relative humidity are January and July (73%).
Average rainfall in December
Waynesboro, VA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is April (3.43").
The driest months (with the least rainfall) are January and November (2.01").
Average rainfall days in December
Waynesboro, VA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in December
Waynesboro, VA
- Average snowfall in December: 2.64"
The month with the highest snowfall is March (4.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Waynesboro, VA
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Waynesboro, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Waynesboro, VA
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is August (10.6 days).
Average UV index in December
Waynesboro, VA
- 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, February, November and December (UV index 2).
Average cloud cover in December
Waynesboro, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in December
Waynesboro, VA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Waynesboro, Virginia, USA
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