December weather forecastCedar Hill, TX
December
Weather in December
The first month of the winter, December, is also a moderate month in Cedar Hill, Texas, with an average temperature ranging between max 55.9°F (13.3°C) and min 41.9°F (5.5°C).Temperature
December signals a slight drop in average high-temperature, sliding from November's enjoyable 64.6°F (18.1°C) to a still refreshing 55.9°F (13.3°C). Cedar Hill records an average temperature drop to a wintry 41.9°F (5.5°C) in December.Humidity
The average relative humidity in December in Cedar Hill is 69%.Rainfall
In Cedar Hill, in December, during 8.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Cedar Hill, during the entire year, the rain falls for 126.7 days and collects up to 19.57" (497mm) of precipitation.Snowfall
Months with snowfall in Cedar Hill are January, February, November and December. In Cedar Hill, in December, during 0.2 snowfall days, 0.04" (1mm) of snow is typically accumulated. Throughout the year, there are 2 snowfall days, and 0.63" (16mm) of snow is accumulated.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:12 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:32 pm CST.
Sunshine
The month with the least sunshine in Cedar Hill is December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedar Hill, TX
- Average high temperature in December: 55.9°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (54.7°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in December
Cedar Hill, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Cedar Hill, TX
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in December
Cedar Hill, TX
- Average humidity in December: 69%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
Cedar Hill, TX
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Cedar Hill, TX
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Cedar Hill, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Cedar Hill, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cedar Hill, TX
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Cedar Hill, TX
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is September (13.6 days).
Average UV index in December
Cedar Hill, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Cedar Hill, TX
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Cedar Hill, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
