December weather forecastCedar Hill, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Cedar Hill, Tennessee, with an average temperature varying between 34.9°F (1.6°C) and 47.5°F (8.6°C).Temperature
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's moderate 56.1°F (13.4°C) to a chilly 47.5°F (8.6°C). Cedar Hill, during the month of December, experiences an average low-temperature of 34.9°F (1.6°C).Humidity
The months with the highest humidity are March, May and December, with an average relative humidity of 79%.Rainfall
In Cedar Hill, during December, the rain falls for 12.2 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 174.6 rainfall days, and 37.68" (957mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 2.8 days. Throughout December, 0.67" (17mm) of snow is accumulated. Throughout the year, there are 14.9 snowfall days, and 4.06" (103mm) of snow is accumulated.Daylight
The month with the shortest days in Cedar Hill is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 4:32 pm. On the last day of December, in Cedar Hill, Tennessee, sunrise is at 6:59 am and sunset at 4:42 pm CST.
Sunshine
In December, the average sunshine in Cedar Hill is 4.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedar Hill, TN
- Average high temperature in December: 47.5°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in December
Cedar Hill, TN
- Average pressure in December: 30.14"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
Cedar Hill, TN
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Cedar Hill, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Cedar Hill, TN
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Cedar Hill, TN
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Cedar Hill, TN
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cedar Hill, TN
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.8 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
Cedar Hill, TN
- Average daylight in December: 9h and 42min
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: 4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Cedar Hill, TN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Cedar Hill, 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
Cedar Hill, TN
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Cedar Hill, TN
- 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).
