December weather forecastRiver Oaks, TX
December
Weather in December
December, the first month of the winter in River Oaks, is still a refreshing month, with an average temperature fluctuating between 55.8°F (13.2°C) and 40.8°F (4.9°C).Temperature
With the arrival of December, River Oaks experiences a modest decline in average high-temperatures, transitioning from a comfortable 64.6°F (18.1°C) in November to a still refreshing 55.8°F (13.2°C). Throughout the month of December, River Oaks expects an average low of 40.8°F (4.9°C).Humidity
The average relative humidity in December is 67%.Rainfall
In River Oaks, in December, it is raining for 8.3 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 128.8 rainfall days, and 27.8" (706mm) of precipitation is accumulated.Snowfall
January, February, November and December are months with snowfall. In River Oaks, during December, snow falls for 0.6 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, there are 2.3 snowfall days, and 1.54" (39mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 5:23 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:34 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h 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 medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. 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
River Oaks, TX
- Average high temperature in December: 55.8°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 (55.4°F).
- Average low temperature in December: 40.8°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in December
River Oaks, 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
River Oaks, TX
- Average wind speed in December: 8.8mph
The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in December
River Oaks, TX
- Average humidity in December: 67%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
River Oaks, TX
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in December
River Oaks, TX
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
River Oaks, TX
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
River Oaks, TX
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.3 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
River Oaks, 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 July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
River Oaks, TX
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in December
River Oaks, TX
- Average UV index in December: 3
The months with the highest UV index are May, 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
River Oaks, TX
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
River Oaks, 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).





