Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The advent of December brings a slight shift in average high-temperature, moving from an agreeable 71.1°F (21.7°C) in November to a refreshing 65.1°F (18.4°C). Throughout December nights, Port Aransas records a consistent low-temperature averaging 57.6°F (14.2°C).Humidity
In Port Aransas, the average relative humidity in December is 78%.Rainfall
In Port Aransas, in December, during 9.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Port Aransas, during the entire year, the rain falls for 126.5 days and collects up to 14.57" (370mm) of precipitation.Snowfall
In Port Aransas, snow does not fall in January, March through December.Ocean temperature
In December, the average ocean temperature is 66.4°F (19.1°C).Note: Most people do not find pleasure in swimming when the water temperature is 66.4°F (19.1°C). Breathing becomes increasingly difficult to manage as the water temperature drops 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 in Port Aransas, 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 estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 4 transforms into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Port Aransas in December?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
What is the ocean temperature in December?
What is the month with the shortest days in Port Aransas?
How many hours of daylight does Port Aransas have in December?
What time are sunrise and sunset in December in Port Aransas?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Port Aransas, TX
- Average high temperature in December: 65.1°F
The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is January (62.6°F).
- Average low temperature in December: 57.6°F
The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (54.9°F).
Average pressure in December
Port Aransas, 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 (29.89"Hg).
Average wind speed in December
Port Aransas, TX
- Average wind speed in December: 12.5mph
The windiest months (with the highest average wind speed) are April and May (14.2mph).
The calmest month (with the lowest average wind speed) is September (11.3mph).
Average humidity in December
Port Aransas, TX
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Port Aransas, TX
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is September (2.99").
The driest months (with the least rainfall) are February and March (0.51").
Average rainfall days in December
Port Aransas, TX
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Port Aransas, 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
Port Aransas, 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, October, November and December (0 days).
Average sea temperature in December
Port Aransas, 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
Port Aransas, 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 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Port Aransas, TX
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is March (20.5 days).
The month with the least sunshine days is September (10.3 days).
Average UV index in December
Port Aransas, 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).
Average cloud cover in December
Port Aransas, 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 22).
Average visibility in December
Port Aransas, 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).
Port Aransas, Texas, USA
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