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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's mild 55.9°F (13.3°C) to a chilly 47.8°F (8.8°C). Columbia sees an average low-temperature of 32.9°F (0.5°C) during December.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Columbia, during December, the rain falls for 9.4 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Columbia, during the entire year, the rain falls for 142.4 days and collects up to 25.51" (648mm) of precipitation.Snowfall
Months with snowfall in Columbia are January through April, November and December. In Columbia, during December, snow falls for 1.5 days and regularly aggregates up to 1.5" (38mm) of snow. In Columbia, Virginia, during the entire year, snow falls for 11.9 days and aggregates up to 8.74" (222mm) of snow.Daylight
The month with the shortest days in Columbia, Virginia, is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:04 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are December temperatures in Columbia?
What is the most humid month in Columbia?
What is the average humidity in December in Columbia?
How much does it rain in Columbia in December?
How much does it snow in Columbia in December?
What is the month with the shortest days in Columbia?
What is the average length of the day in December in Columbia?
When are sunrise and sunset in December in Columbia?
What is the month with the least sunshine in Columbia?
How long on average sun shines in December in Columbia?
What is the month with the lowest UV index in Columbia?
What is the UV index intensity in December in Columbia?
Average temperature in December
Columbia, VA
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Columbia, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Columbia, VA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Columbia, VA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Columbia, VA
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Columbia, VA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Columbia, VA
- Average snowfall in December: 1.5"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Columbia, VA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Columbia, 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: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Columbia, VA
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in December
Columbia, 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, November and December (UV index 2).
Average cloud cover in December
Columbia, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Columbia, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are May, September and December (5mi).
Columbia, Virginia, USA
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