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
The arrival of December corresponds with a light shift in temperature, down from a refreshing 55.4°F (13°C) in November to a frosty 47.1°F (8.4°C). During December, the average low-temperature is a cold 32.7°F (0.4°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Colonial Heights, during December, the rain falls for 13.9 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Colonial Heights, during the entire year, the rain falls for 157.8 days and collects up to 27.2" (691mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 5.5 days and typically aggregates up to 3.31" (84mm) 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 December, sunrise is at 7:23 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:24 pm EST.
Sunshine
In Colonial Heights, the average sunshine in December is 5.3h.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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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 in Colonial Heights?
How many days does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Colonial Heights have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Colonial Heights, TN
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Colonial Heights, TN
- 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
Colonial Heights, TN
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Colonial Heights, TN
- Average humidity in December: 78%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in December
Colonial Heights, TN
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in December
Colonial Heights, TN
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Colonial Heights, TN
- Average snowfall in December: 3.31"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Colonial Heights, TN
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Colonial Heights, TN
- 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Colonial Heights, TN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Colonial Heights, TN
- 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 Heights, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Colonial Heights, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Colonial Heights, Tennessee, USA
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