December weather forecast
Aransas Pass, TX

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Weather in December

December, the first month of the winter in Aransas Pass, is still a refreshing month, with an average temperature varying between 56.3°F (13.5°C) and 65.1°F (18.4°C).

Temperature

The start of December signals a gentle decrease in the average high-temperature, transitioning from a pleasant 71.2°F (21.8°C) in November to a comfortable 65.1°F (18.4°C). In Aransas Pass, the average low-temperature during December nights tends to settle at a still refreshing 56.3°F (13.5°C), indicating a slight drop from the daytime peak.

Humidity

In December, the average relative humidity in Aransas Pass is 77%.

Rainfall

In December, in Aransas Pass, the rain falls for 9.8 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 127.8 rainfall days, and 15.51" (394mm) of precipitation is accumulated.

Snowfall

In Aransas Pass, snow does not fall in January, March through December.

Ocean temperature

In Aransas Pass, Texas, the average seawater temperature in December is 66.4°F (19.1°C).
Note: Swimming is not a pleasant activity for most individuals in 66.4°F (19.1°C). Breathing becomes increasingly challenging to control as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).

Daylight

December has the shortest days of the year in Aransas Pass, with an average of 10h and 24min of daylight.
On the first day of December, sunrise is at 7:02 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:44 pm CST.

Sunshine

With an average of 4.8h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 4 in December interprets into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What are December temperatures in Aransas Pass?

The high-temperature, in December, in Aransas Pass, is 65.1°F (18.4°C), while the low-temperature averages to 56.3°F (13.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 96.8°F (36°C).

What is the average humidity in December in Aransas Pass?

The average relative humidity in December in Aransas Pass, Texas, is 77%.

How many days does it rain in December in Aransas Pass?

In Aransas Pass, Texas, during December, the rain falls for 9.8 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow in Aransas Pass?

January, March through December are months without snowfall in Aransas Pass, Texas.

How cold is the water in December in Aransas Pass?

In Aransas Pass, Texas, the average seawater temperature in December is 66.4°F (19.1°C). For swimming, a surface water temperature of 66.4°F (19.1°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Aransas Pass?

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

What is the average length of the day in December in Aransas Pass?

The average day length in December in Aransas Pass, Texas, is 10h and 25min.

When are sunrise and sunset in December in Aransas Pass?

On the first day of December, sunrise is at 7:02 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:44 pm CST.

What is the month with the least sunshine in Aransas Pass?

December has the least sunshine of the year, with an average of 4.8h of sunshine.

How many hours of sunshine does Aransas Pass have in December?

In December, the average sunshine duration in Aransas Pass, Texas, is 4.8h.

What are the months with the lowest UV index in Aransas Pass?

January and December, with an average maximum UV index of 4, are months with the lowest UV index in Aransas Pass.

What is the UV index reading in December in Aransas Pass?

The average daily maximum UV index in December in Aransas Pass, Texas, is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Aransas Pass, TX

Average temperature in December - Aransas Pass, TX
  • Average high temperature in December: 65.1°F

The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (62.8°F).

  • Average low temperature in December: 56.3°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is January (53.8°F).

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Average pressure in December
Aransas Pass, TX

Average pressure in December - Aransas Pass, TX
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Aransas Pass, TX

Average wind speed in December - Aransas Pass, TX
  • Average wind speed in December: 11.5mph

The windiest month (with the highest average wind speed) is May (13.5mph).
The calmest month (with the lowest average wind speed) is September (10.6mph).

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Average humidity in December
Aransas Pass, TX

Average humidity in December - Aransas Pass, TX
  • Average humidity in December: 77%

The months with the highest relative humidity are March and May (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Aransas Pass, TX

Average rainfall in December - Aransas Pass, TX
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is September (2.91").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days in December
Aransas Pass, TX

Average rainfall days in December - Aransas Pass, TX
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is February (8 days).

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Average snowfall in December
Aransas Pass, TX

Average snowfall in December - Aransas Pass, 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").

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Average snowfall days in December
Aransas Pass, TX

Average snowfall days in December - Aransas Pass, TX
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature in December
Aransas Pass, TX

Average sea temperature in December - Aransas Pass, 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).

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Average daylight in December /
Average sunshine in December
Aransas Pass, TX

Average daylight in December / Average sunshine in December - Aransas Pass, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Aransas Pass, TX

Average sunshine days in December - Aransas Pass, TX
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is July (19.8 days).
The month with the least sunshine days is September (10.8 days).

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Average UV index in December
Aransas Pass, TX

Average UV index in December - Aransas Pass, TX
  • Average UV index in December: 4

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in December
Aransas Pass, TX

Average cloud cover in December - Aransas Pass, TX
  • Average cloud cover in December: 47

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in December
Aransas Pass, TX

Average visibility in December - Aransas Pass, 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).

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Aransas Pass, Texas, USA

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