December weather forecastCelina, TX
December
Weather in December
The first month of the winter, December, is also a fresh month in Celina, Texas, with an average temperature varying between 40.1°F (4.5°C) and 54.5°F (12.5°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's enjoyable 63.5°F (17.5°C) to a cool 54.5°F (12.5°C). Throughout the month of December, Celina witnesses an average low-temperature of 40.1°F (4.5°C).Humidity
In December, the average relative humidity is 70%.Rainfall
In Celina, Texas, in December, it is raining for 8.7 days, with typically 1.89" (48mm) of accumulated precipitation. In Celina, during the entire year, the rain falls for 139.7 days and collects up to 31.73" (806mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Celina, Texas, during December, snow falls for 0.4 days and regularly aggregates up to 0.08" (2mm) of snow. Throughout the year, there are 2.7 snowfall days, and 1.34" (34mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:13 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:30 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Celina, TX
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (75.6°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure in December
Celina, 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 (29.9"Hg).
Average wind speed in December
Celina, TX
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is March (10.2mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in December
Celina, TX
- Average humidity in December: 70%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Celina, TX
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is October (3.94").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in December
Celina, TX
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Celina, TX
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Celina, TX
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.1 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
Celina, TX
- Average daylight in December: 10h and 0min
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 0min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Celina, TX
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in December
Celina, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Celina, TX
- Average cloud cover in December: 36
The months with the most cloud cover are February and March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Celina, 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).





