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
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a fresh 54.7°F (12.6°C) in November to a chilly 46.8°F (8.2°C). The month of December records an average low-temperature of 32.9°F (0.5°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In December, in Trevilians, the rain falls for 10.1 days. Throughout December, 2.6" (66mm) of precipitation is accumulated. Throughout the year, in Trevilians, there are 154.2 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Trevilians, in December, during 1.9 snowfall days, 1.5" (38mm) of snow is typically accumulated. In Trevilians, during the entire year, snow falls for 15.3 days and aggregates up to 10.39" (264mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:52 pm. On the last day of December, in Trevilians, sunrise is at 7:28 am and sunset at 5:02 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
January, February, November 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 threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the temperature in December in Trevilians?
What is the most humid month in Trevilians?
What is the average humidity in December in Trevilians?
How much does it rain in Trevilians in December?
How many days does it snow in December in Trevilians?
What is the month with the shortest days in Trevilians?
What is the average length of the day in December in Trevilians?
When is the sunrise / sunset in December in Trevilians?
What is the month with the least sunshine in Trevilians?
How many hours of sunshine does Trevilians have in December?
What are the months with the lowest UV index in Trevilians?
How high is the UV index in December in Trevilians?
Average temperature in December
Trevilians, VA
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Trevilians, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Trevilians, VA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Trevilians, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Trevilians, VA
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Trevilians, VA
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Trevilians, VA
- Average snowfall in December: 1.5"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Trevilians, VA
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (4.9 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
Trevilians, 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 month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Trevilians, VA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Trevilians, 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
Trevilians, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Trevilians, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are February, May, September and December (5mi).
Trevilians, Virginia, USA
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