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 beginning of December subtly marks a decrease in the average high-temperature, transitioning from a refreshing 58.5°F (14.7°C) in November to a cool 52°F (11.1°C). During December, the average low-temperature is a wintry 38.5°F (3.6°C).Humidity
May and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Suffolk, in December, it is raining for 9 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 132.2 rainfall days, and 14.61" (371mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Suffolk, in December, during 0.5 snowfall days, 0.12" (3mm) of snow is typically accumulated. In Suffolk, Virginia, during the entire year, snow falls for 4.8 days and aggregates up to 1.38" (35mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:50 pm. On the last day of December, in Suffolk, Virginia, sunrise is at 7:18 am and sunset at 5:00 pm EST.
Sunshine
The average sunshine in December in Suffolk is 5.5h.UV index
In Suffolk, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Suffolk in December?
What are the most humid months in Suffolk?
What is the average humidity in December in Suffolk?
How many days does it rain in December in Suffolk?
How many days does it snow in December in Suffolk?
What is the month with the shortest days in Suffolk?
What is the average length of the day in December in Suffolk?
When is the sunrise / sunset in December in Suffolk?
How many hours of sunshine does Suffolk have in December?
What is the UV index intensity in December in Suffolk?
Average temperature in December
Suffolk, VA
- Average high temperature in December: 52°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in December
Suffolk, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Suffolk, VA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Suffolk, VA
- Average humidity in December: 79%
The months with the highest relative humidity are May and December (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Suffolk, VA
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is November (0.91").
Average rainfall days in December
Suffolk, VA
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in December
Suffolk, VA
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Suffolk, VA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Suffolk, 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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Suffolk, VA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Suffolk, VA
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Suffolk, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Suffolk, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Suffolk, Virginia, USA
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