December weather forecastOvilla, TX
December
Weather in December
December, the first month of the winter in Ovilla, is still a mild month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 55.8°F (13.2°C).Temperature
Welcoming December, Ovilla observes a shift in the average high-temperature, falling from November's comfortable 64.9°F (18.3°C) to a moderate 55.8°F (13.2°C). In December, the average low-temperature records at an icy 41.5°F (5.3°C) during the nights.Humidity
In December, the average relative humidity is 70%.Rainfall
In Ovilla, in December, during 9.6 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Ovilla, during the entire year, the rain falls for 145.4 days and collects up to 34.53" (877mm) of precipitation.Snowfall
Months with snowfall in Ovilla, Texas, are January, February, November and December. In Ovilla, Texas, during December, snow falls for 0.4 days and regularly aggregates up to 0.12" (3mm) of snow. In Ovilla, during the entire year, snow falls for 2.5 days and aggregates up to 1.22" (31mm) of snow.Daylight
December has the shortest days of the year in Ovilla, with an average of 10h and 6min of daylight.On the first day of December in Ovilla, sunrise is at 7:11 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:32 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Ovilla, Texas. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ovilla, TX
- Average high temperature in December: 55.8°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in December
Ovilla, 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
Ovilla, TX
- Average wind speed in December: 8.7mph
The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in December
Ovilla, 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 (58%).
Average rainfall in December
Ovilla, TX
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is October (4.65").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Ovilla, TX
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is September (15.4 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Ovilla, TX
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Ovilla, TX
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ovilla, 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 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Ovilla, TX
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in December
Ovilla, TX
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Ovilla, TX
- Average cloud cover in December: 39
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Ovilla, 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).
