December weather forecastSaint Charles, VA
December
Weather in December
The first month of the winter, December, is still a chilly month in Saint Charles, Virginia, with an average temperature ranging between max 45.5°F (7.5°C) and min 32.5°F (0.3°C).Temperature
Saint Charles experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a fresh 54°F (12.2°C) in November to a chilly 45.5°F (7.5°C). The nighttime temperature dips to a cold 32.5°F (0.3°C) on average during December.Humidity
The average relative humidity in December is 80%.Rainfall
In Saint Charles, in December, it is raining for 12.6 days, with typically 2.72" (69mm) of accumulated precipitation. In Saint Charles, during the entire year, the rain falls for 176.3 days and collects up to 32.87" (835mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 6.2 days. Throughout December, 3.15" (80mm) of snow is accumulated. In Saint Charles, during the entire year, snow falls for 30 days and aggregates up to 12.44" (316mm) of snow.Daylight
The month with the shortest days in Saint Charles, Virginia, is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:26 pm EST.
Sunshine
In Saint Charles, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Saint Charles are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Charles, VA
- Average high temperature in December: 45.5°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 (41°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Saint Charles, VA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Saint Charles, VA
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Saint Charles, VA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (76%).
Average rainfall in December
Saint Charles, VA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Saint Charles, VA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Saint Charles, VA
- Average snowfall in December: 3.15"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Saint Charles, VA
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Charles, VA
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Saint Charles, VA
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Saint Charles, 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
Saint Charles, VA
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Saint Charles, VA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
