December weather forecastTrinity, TX
December
Weather in December
The first month of the winter, December, is still a mild month in Trinity, Texas, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 59.7°F (15.4°C).Temperature
The advent of December brings a slight shift in average high-temperature, moving from 67.6°F (19.8°C) in November to a still refreshing 59.7°F (15.4°C). In December, in Trinity, the average low-temperature is a chilly 44.6°F (7°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Trinity, in December, during 13.4 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Trinity, during the entire year, the rain falls for 168.8 days and collects up to 34.33" (872mm) of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 1.2 snowfall days, and 0.47" (12mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:30 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trinity, TX
- Average high temperature in December: 59.7°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (57.9°F).
- Average low temperature in December: 44.6°F
The months with the highest average low temperature are July and August (73.8°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure in December
Trinity, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Trinity, TX
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).
Average humidity in December
Trinity, TX
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Trinity, TX
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
Trinity, TX
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is September (16.9 days).
The month with the least rainy days is October (11.7 days).
Average snowfall in December
Trinity, TX
- Average snowfall in December: 0.16"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Trinity, TX
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.5 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
Trinity, TX
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Trinity, TX
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is September (11.2 days).
Average UV index in December
Trinity, 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
Trinity, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Trinity, TX
- Average visibility in December: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).





