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
December implies a soft temperature shift, with average high-temperatures reducing from November's cool 52°F (11.1°C) to a chilly 44.1°F (6.7°C). Collier experiences an average low-temperature of 30.2°F (-1°C) in month of December.Humidity
The average relative humidity in December in Collier is 80%.Rainfall
In Collier, in December, during 11 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 186.9 rainfall days, and 30.12" (765mm) of precipitation is accumulated.Snowfall
Months with snowfall in Collier are January through May, October through December. The month with the most snowfall is December, when snow falls for 7.4 days and typically aggregates up to 6.22" (158mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 5:08 pm. On the last day of December, in Collier, Virginia, sunrise is at 7:37 am and sunset at 5:18 pm EST.
Sunshine
In Collier, Virginia, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index in Collier, Virginia, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. 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
How cold is December in Collier?
What is the average humidity in December in Collier?
How much does it rain in Collier in December?
When does it snow the most in Collier?
How many days does it snow in December in Collier?
What is the month with the shortest days in Collier?
What is the average length of the day in December in Collier?
When is the sunrise / sunset in December in Collier?
How many hours of sunshine does Collier have in December?
What is the month with the lowest UV index in Collier?
How high is the UV index in December in Collier?
Average temperature in December
Collier, VA
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Collier, VA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Collier, VA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Collier, VA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April, June, July and November (77%).
Average rainfall in December
Collier, VA
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Collier, VA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Collier, VA
- Average snowfall in December: 6.22"
The month with the highest snowfall is December (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Collier, VA
- Average snowfall days in December: 7.4 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Collier, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Collier, VA
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in December
Collier, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Collier, VA
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in December
Collier, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Collier, Virginia, USA
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