December weather forecast
Corpus Christi, TX

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The two domes and red roof of the iconic and mighty Corpus Christi in Texas
The two domes and red roof of the iconic and mighty Corpus Christi in Texas

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.

Frequently asked questions

What is the average December temperature?

The average high-temperature, in December, in Corpus Christi, is 65.7°F (18.7°C), while the average low-temperature is 53.2°F (11.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in October is appraised at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 75%.

How much does it rain in December?

In Corpus Christi, in December, it is raining for 10.2 days, with typically 1.02" (26mm) of accumulated precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the ocean temperature in December?

In Corpus Christi, the average seawater temperature in December is 66.4°F (19.1°C). Swimming in 66.4°F (19.1°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 24min of daylight.

What is the average length of the day in December?

In Corpus Christi, the average day length in December is 10h and 25min.

When are sunrise and sunset in December?

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.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 4.7h of sunshine.

How long on average sun shines in December?

In Corpus Christi, Texas, the average sunshine duration in December is 4.7h.

What is the month with the lowest UV index in Corpus Christi?

December is the month with the lowest UV index, with an average maximum UV index of 3.

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Corpus Christi, TX

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Corpus Christi, TX
  • Average daylight in December: 10h and 2min

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 4min

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 - 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 - 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 - 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 - 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).

Corpus Christi, Texas, USA

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