December weather forecastThornton, TX
December
Weather in December
The first month of the winter, December, is still a mild month in Thornton, Texas, with an average temperature ranging between min 42.8°F (6°C) and max 57.7°F (14.3°C).Temperature
With the beginning of December, the average high-temperature shows a small decrease, transitioning from an enjoyable 65.5°F (18.6°C) in November to a still refreshing 57.7°F (14.3°C). Thornton anticipates an average minimum temperature of 42.8°F (6°C) in the month of December.Humidity
In Thornton, the average relative humidity in December is 75%.Rainfall
In Thornton, in December, it is raining for 11.8 days, with typically 2.83" (72mm) of accumulated precipitation. In Thornton, during the entire year, the rain falls for 150.9 days and collects up to 32.99" (838mm) of precipitation.Snowfall
In Thornton, snow does not fall in April through December.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:08 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:33 pm CST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thornton, TX
- Average high temperature in December: 57.7°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in December
Thornton, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Thornton, TX
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).
Average humidity in December
Thornton, TX
- Average humidity in December: 75%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Thornton, TX
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is October (3.94").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in December
Thornton, TX
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Thornton, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Thornton, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Thornton, TX
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Thornton, TX
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in December
Thornton, 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 January and December (UV index 3).
Average cloud cover in December
Thornton, TX
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Thornton, 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).
