December weather forecastThree Rivers, TX
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Three Rivers, Texas, with an average temperature ranging between min 49.5°F (9.7°C) and max 64.9°F (18.3°C).Temperature
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's pleasant 72°F (22.2°C) to an enjoyable 64.9°F (18.3°C). Throughout December, Three Rivers records an average temperature of 49.5°F (9.7°C) at night.Humidity
The average relative humidity in December is 71%.Rainfall
In Three Rivers, during December, the rain falls for 6.7 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Three Rivers, during the entire year, the rain falls for 102.4 days and collects up to 8.78" (223mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:08 am and sunset at 5:35 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:47 pm CST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Three Rivers, TX
- Average high temperature in December: 64.9°F
The warmest month (with the highest average high temperature) is August (97.5°F).
The month with the lowest average high temperature is January (64°F).
- Average low temperature in December: 49.5°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure in December
Three Rivers, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Three Rivers, TX
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is May (10.8mph).
The calmest month (with the lowest average wind speed) is September (7.8mph).
Average humidity in December
Three Rivers, TX
- Average humidity in December: 71%
The months with the highest relative humidity are March and May (73%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Three Rivers, TX
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is February (0.24").
Average rainfall days in December
Three Rivers, TX
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is September (13.4 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Three Rivers, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Three Rivers, TX
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Three Rivers, TX
- Average daylight in December: 10h and 24min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Three Rivers, TX
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is September (14.5 days).
Average UV index in December
Three Rivers, TX
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Three Rivers, TX
- Average cloud cover in December: 45
The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Three Rivers, 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).
