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 onset of December brings a small shift in high-temperatures, falling from a mild 57.9°F (14.4°C) in November to a frosty 49.6°F (9.8°C). During the December nights, an average temperature of 36.7°F (2.6°C) is observed.Humidity
March and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Chesterfield, during December, the rain falls for 9.7 days and regularly aggregates up to 1.38" (35mm) of precipitation. In Chesterfield, Tennessee, during the entire year, the rain falls for 130.6 days and collects up to 16.89" (429mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Chesterfield, in December, during 1.7 snowfall days, 0.24" (6mm) of snow is typically accumulated. Throughout the year, there are 7.9 snowfall days, and 1.26" (32mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:44 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:02 am and sunset at 4:50 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
December is the month with the lowest UV index in Chesterfield, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December in Chesterfield?
How much does it rain in Chesterfield in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Chesterfield have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Chesterfield have in December?
When is the lowest UV index?
What is the UV index intensity in December in Chesterfield?
Average temperature in December
Chesterfield, TN
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Chesterfield, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Chesterfield, TN
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Chesterfield, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Chesterfield, TN
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is February (1.97").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Chesterfield, TN
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in December
Chesterfield, TN
- Average snowfall in December: 0.24"
The month with the highest snowfall is November (0.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chesterfield, TN
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.3 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
Chesterfield, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Chesterfield, TN
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in December
Chesterfield, TN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Chesterfield, TN
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Chesterfield, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Chesterfield, Tennessee, USA
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