December weather forecastJames City, NC
December
Weather in December
December, the first month of the winter in James City, is also a moderate month, with an average temperature varying between 56.1°F (13.4°C) and 41.2°F (5.1°C).Temperature
As December begins, there is a minor decrease in the average high-temperature, softly falling from a comfortable 62.1°F (16.7°C) in November to a still refreshing 56.1°F (13.4°C). Throughout the nights in December, James City experiences an average low-temperature of 41.2°F (5.1°C).Humidity
August and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In James City, in December, during 9.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In James City, during the entire year, the rain falls for 151.4 days and collects up to 23.23" (590mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December in James City, sunrise is at 6:58 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:06 pm EST.
Sunshine
December has the least sunshine of the year in James City, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in James City are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in December transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. 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
Average temperature in December
James City, NC
- Average high temperature in December: 56.1°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 41.2°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in December
James City, NC
- 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 (29.97"Hg).
Average wind speed in December
James City, NC
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
James City, NC
- Average humidity in December: 79%
The months with the highest relative humidity are August and December (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
James City, NC
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
James City, NC
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in December
James City, NC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
James City, NC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (1.1 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
James City, NC
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
James City, NC
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in December
James City, NC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
James City, NC
- Average cloud cover in December: 43
The months with the most cloud cover are February, March and December (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
James City, NC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
