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 sea temperature 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
Cape Charles's progression into December involves a gentle drop in the average high-temperature, from a moderate 56.7°F (13.7°C) in November to a chilly 49.8°F (9.9°C). An average nighttime temperature of 42.6°F (5.9°C) marks December.Humidity
In December, the average relative humidity is 76%.Rainfall
In Cape Charles, in December, it is raining for 9 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 131.1 rainfall days, and 13.54" (344mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Ocean temperature
In December, the average ocean temperature is 51.6°F (10.9°C).Note: Dipping into 51.6°F (10.9°C) below 50°F (10°C) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 55.4°F (13°C) can be jarring.
Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Cape Charles.On the first day of the month, sunrise is at 6:59 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine is 5.4h.UV index
In Cape Charles, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the ocean temperature in December?
What is the month with the shortest days?
How many hours of daylight does Cape Charles have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Cape Charles have in December?
How high is the UV index in December?
Average temperature in December
Cape Charles, VA
- Average high temperature in December: 49.8°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 42.6°F
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in December
Cape Charles, VA
- Average pressure in December: 30.11"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
Cape Charles, VA
- Average wind speed in December: 12.6mph
The windiest months (with the highest average wind speed) are January and March (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in December
Cape Charles, VA
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, October and November (74%).
Average rainfall in December
Cape Charles, VA
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in December
Cape Charles, VA
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and October (7.5 days).
Average snowfall in December
Cape Charles, VA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Cape Charles, VA
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Cape Charles, VA
- Average sea temperature in December: 51.7°F
The best month for swimming (with the highest average sea temperature) is August (79.4°F).
The coldest month (with the lowest average sea temperature) is February (43.1°F).
Average daylight in December /
Average sunshine in December
Cape Charles, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Cape Charles, VA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is August (12.7 days).
Average UV index in December
Cape Charles, VA
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Cape Charles, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Cape Charles, 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).
Cape Charles, Virginia, USA
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