December weather forecastCorpus Christi, TX

December
Weather in December
In December, Corpus Christi transitions into winter with cooler temperature ranges. This period sees fewer daylight and sunlight hours, while relative humidity increases. Despite being winter, the city's coastal location ensures that the weather stays more temperate than freezing. A sizable drop in sea temperature records the onset of winter. The visibility remains consistent at 6 miles, allowing for a clear view of the city despite the change in weather.Temperature
With the onset of December, Corpus Christi's average high-temperature slightly adjusts, moderately receding from November's pleasant 73°F (22.8°C) to an enjoyable 65.7°F (18.7°C). Throughout the month of December, Corpus Christi witnesses an average temperature of 53.2°F (11.8°C).Humidity
In December, the average relative humidity is 75%.Rainfall
In Corpus Christi, in December, it is raining for 10.2 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 120.1 rainfall days, and 13.27" (337mm) of precipitation is accumulated.Snowfall
February and December are months with snowfall. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. Throughout the year, there are 0.3 snowfall days.Ocean temperature
In Corpus Christi, in December, the average water temperature is 66.4°F (19.1°C).Note: Swimming is not a pleasurable activity for the majority in water at 66.4°F (19.1°C). Breathing control gets harder as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
The month with the shortest days is December, with an average of 10h and 24min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:45 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.7h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Experience reduced UV exposure by about half when donning a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Corpus Christi, TX
- Average high temperature in December: 65.7°F
The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (64.6°F).
- Average low temperature in December: 53.2°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (50.9°F).
Average pressure in December
Corpus Christi, TX
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Corpus Christi, TX
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is May (11.5mph).
The calmest month (with the lowest average wind speed) is September (8.6mph).
Average humidity in December
Corpus Christi, TX
- Average humidity in December: 75%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Corpus Christi, TX
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is September (2.05").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Corpus Christi, TX
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is September (15 days).
The months with the least rainy days are July and August (7.3 days).
Average snowfall days in December
Corpus Christi, TX
- Average snowfall days in December: 0.1 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 and November (0 days).
Average sea temperature in December
Corpus Christi, TX
- Average sea temperature in December: 66.4°F
The best month for swimming (with the highest average sea temperature) is August (86.1°F).
The coldest month (with the lowest average sea temperature) is February (61.3°F).
Average daylight in December /
Average sunshine in December
Corpus Christi, 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: 4h 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: 4h and 42min).
Average sunshine days in December
Corpus Christi, TX
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is July (22.5 days).
The month with the least sunshine days is September (12.6 days).
Average UV index in December
Corpus Christi, 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
Corpus Christi, TX
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Corpus Christi, 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).





