December weather forecastSouth Padre Island, TX
December
Weather in December
December culminates the year with Winter's debut, bringing about the coolest temperatures of the year with an average low of 63°F (17.2°C). Contraray to the heat intensity in August, the sea temperature experiences a significant drop to 71.2°F (21.8°C). The daylight duration shortens to 10.5 hours as winter solstice nears. With 14.5mph (23.3km/h), the average wind speed is notably higher in comparison to the early part of the year. Despite the cooler front, the rainfall remains moderate at 1.34" (34mm), capping the year on a wet note.Temperature
South Padre Island signifies an average high-temperature of a pleasant 69.6°F (20.9°C) in December, closely mirroring the 74.7°F (23.7°C) of November. Night temperatures during December experience a slight downturn, averaging a refreshing 63°F (17.2°C).Humidity
In South Padre Island, the average relative humidity in December is 78%.Rainfall
In South Padre Island, in December, it is raining for 12.8 days, with typically 1.34" (34mm) of accumulated precipitation. In South Padre Island, during the entire year, the rain falls for 143.2 days and collects up to 21.38" (543mm) of precipitation.Ocean temperature
In December, the average ocean temperature is 71.2°F (21.8°C).Note: Most people do not find swimming enjoyable in water of 71.2°F (21.8°C). The task of controlling breathing becomes tougher as the temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
With an average of 10h and 30min of daylight, December has the shortest days of the year in South Padre Island.On the first day of the month, sunrise is at 6:59 am and sunset at 5:36 pm. On the last day of December, in South Padre Island, sunrise is at 7:15 am and sunset at 5:48 pm CST.
Sunshine
December has the least sunshine of the year in South Padre Island, with an average of 4.8h of sunshine.UV index
January, February and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 in December translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Caution! The mirror effect of sand and water ups the UV radiation strength.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
South Padre Island, TX
- Average high temperature in December: 69.6°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (67.1°F).
- Average low temperature in December: 63°F
The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in December
South Padre Island, TX
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in December
South Padre Island, TX
- Average wind speed in December: 13.5mph
The windiest month (with the highest average wind speed) is April (14.2mph).
The calmest month (with the lowest average wind speed) is September (10.9mph).
Average humidity in December
South Padre Island, TX
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
South Padre Island, TX
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is September (4.13").
The driest month (with the least rainfall) is April (0.51").
Average rainfall days in December
South Padre Island, TX
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is March (8.2 days).
Average sea temperature in December
South Padre Island, TX
- Average sea temperature in December: 71.2°F
The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (66.7°F).
Average daylight in December /
Average sunshine in December
South Padre Island, TX
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
South Padre Island, TX
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is March (20.7 days).
The month with the least sunshine days is September (7.2 days).
Average UV index in December
South Padre Island, TX
- Average UV index in December: 5
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in December
South Padre Island, TX
- Average cloud cover in December: 49
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
South Padre Island, 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).
