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
In the transition to December, Colonial Beach observes a minor drop in the average high-temperature, shifting from a mild 55.8°F (13.2°C) in November to a chilly 47.5°F (8.6°C). Colonial Beach throughout December, records an average low-temperature of 35.1°F (1.7°C).Humidity
The months with the highest humidity in Colonial Beach are May and December, with an average relative humidity of 78%.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 158.1 rainfall days, and 30.47" (774mm) of precipitation is accumulated.Snowfall
Months with snowfall in Colonial Beach, Virginia, are January through April, November and December. In Colonial Beach, during December, snow falls for 2 days and regularly aggregates up to 1.26" (32mm) of snow. In Colonial Beach, Virginia, during the entire year, snow falls for 12 days and aggregates up to 6.73" (171mm) of snow.Ocean temperature
In December, the average ocean temperature in Colonial Beach is 53.4°F (11.9°C).Note: If planning to swim in 53.4°F (11.9°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.
Daylight
The month with the shortest days in Colonial Beach is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:06 am and sunset at 4:47 pm. On the last day of December, in Colonial Beach, sunrise is at 7:24 am and sunset at 4:57 pm EST.
Sunshine
February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Colonial Beach.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Colonial Beach in December?
What is the most humid month in Colonial Beach?
What is the average humidity in December in Colonial Beach?
How much does it rain in Colonial Beach in December?
How much does it snow in Colonial Beach in December?
What is the water temperature in December in Colonial Beach?
What is the month with the shortest days in Colonial Beach?
What is the average length of the day in December in Colonial Beach?
What time are sunrise and sunset in December in Colonial Beach?
What are the months with the least sunshine in Colonial Beach?
How many hours of sunshine does Colonial Beach have in December?
When is the lowest UV index in Colonial Beach?
What is the UV index intensity in December in Colonial Beach?
Average temperature in December
Colonial Beach, VA
- Average high temperature in December: 47.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Colonial Beach, VA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Colonial Beach, VA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Colonial Beach, VA
- Average humidity in December: 78%
The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Colonial Beach, VA
- Average rainfall in December: 2.44"
The wettest months (with the highest rainfall) are July and August (3.19").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Colonial Beach, VA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in December
Colonial Beach, VA
- Average snowfall in December: 1.26"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Colonial Beach, VA
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Colonial Beach, VA
- Average sea temperature in December: 53.3°F
The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (47.1°F).
Average daylight in December /
Average sunshine in December
Colonial Beach, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Colonial Beach, VA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Colonial Beach, 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 and December (UV index 2).
Average cloud cover in December
Colonial Beach, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Colonial Beach, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Colonial Beach, Virginia, USA
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