December weather forecastMachipongo, VA
December
Weather in December
The first month of the winter, December, is also a frosty month in Machipongo, Virginia, with temperature in the range of an average high of 49.8°F (9.9°C) and an average low of 42.6°F (5.9°C).Temperature
December is characterized by a slight reduction in average high-temperature, easing from a moderate 56.7°F (13.7°C) in November to a frosty 49.8°F (9.9°C). In Machipongo, the nighttime temperature in December descends gently to an average of 42.6°F (5.9°C).Humidity
In Machipongo, the average relative humidity in December is 76%.Rainfall
In Machipongo, in December, during 9 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Machipongo, there are 131.1 rainfall days, and 13.54" (344mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
The month with the shortest days in Machipongo is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:45 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
The average daily maximum UV index in December in Machipongo, Virginia, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Machipongo, 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
Machipongo, 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
Machipongo, 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
Machipongo, 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
Machipongo, 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
Machipongo, 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
Machipongo, 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
Machipongo, 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 daylight in December /
Average sunshine in December
Machipongo, VA
- Average daylight in December: 9h and 36min
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 24min
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
Machipongo, 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
Machipongo, 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
Machipongo, 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
Machipongo, 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).
