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 is marked by a subtle drop in average high-temperatures, transitioning from a fresh 51.4°F (10.8°C) in November to a chilly 43.7°F (6.5°C). Throughout the month of December, Mouth of Wilson observes an average nighttime temperature of 30.4°F (-0.9°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Mouth of Wilson, in December, during 7.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Mouth of Wilson, during the entire year, the rain falls for 118.5 days and collects up to 21.5" (546mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall. Snow falls for 3.5 days and accumulates 4.76" (121mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Mouth of Wilson, sunrise is at 7:19 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:19 pm EST.
Sunshine
The months with the least sunshine in Mouth of Wilson are January and December, with an average of 5.2h of 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
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?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Mouth of Wilson have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mouth of Wilson, VA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in December
Mouth of Wilson, VA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Mouth of Wilson, VA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Mouth of Wilson, VA
- Average humidity in December: 79%
The months with the highest relative humidity are May and September (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Mouth of Wilson, VA
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Mouth of Wilson, VA
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in December
Mouth of Wilson, VA
- Average snowfall in December: 4.76"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mouth of Wilson, VA
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mouth of Wilson, VA
- Average daylight in December: 9h and 4min
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: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Mouth of Wilson, VA
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in December
Mouth of Wilson, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Mouth of Wilson, VA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and July (Cloud cover 36).
Average visibility in December
Mouth of Wilson, VA
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is September (4mi).
Mouth of Wilson, Virginia, USA
Weather forecast for your location
2. Allow the app to use your location