December weather forecastClear Lake Shores, TX
December
Weather in December
The first month of the winter, December, is still a refreshing month in Clear Lake Shores, Texas, with temperature in the range of an average low of 52.2°F (11.2°C) and an average high of 63°F (17.2°C).Temperature
Clear Lake Shores's December weather shows a modest shift in high-temperatures, falling from November's pleasant 69.4°F (20.8°C) to a refreshing 63°F (17.2°C). Clear Lake Shores's temperature lowers to a mean of 52.2°F (11.2°C) during the nights in December.Humidity
In Clear Lake Shores, the average relative humidity in December is 77%.Rainfall
In Clear Lake Shores, in December, it is raining for 7.1 days, with typically 0.51" (13mm) of accumulated precipitation. In Clear Lake Shores, during the entire year, the rain falls for 122.9 days and collects up to 9.72" (247mm) of precipitation.Snowfall
Months with snowfall are January, September and December. The months with the most snowfall days are January, September and December, with an average of 0.1 snowfall days.Ocean temperature
In December, the average ocean temperature in Clear Lake Shores is 60.4°F (15.8°C).Note: For most, swimming in 60.4°F (15.8°C) is not a pleasant experience. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), controlling one's breathing becomes more difficult.
Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:57 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:32 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.7h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Take precautions - Protection against sunburn is recommended. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clear Lake Shores, TX
- Average high temperature in December: 63°F
The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in December: 52.2°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).
Average pressure in December
Clear Lake Shores, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Clear Lake Shores, TX
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in December
Clear Lake Shores, TX
- Average humidity in December: 77%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Clear Lake Shores, TX
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is September (1.5").
The driest months (with the least rainfall) are February and March (0.31").
Average rainfall days in December
Clear Lake Shores, TX
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is September (15.9 days).
The month with the least rainy days is February (6.3 days).
Average snowfall days in December
Clear Lake Shores, TX
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January, September and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).
Average sea temperature in December
Clear Lake Shores, TX
- Average sea temperature in December: 60.4°F
The best month for swimming (with the highest average sea temperature) is August (87.2°F).
The coldest month (with the lowest average sea temperature) is January (56.8°F).
Average daylight in December /
Average sunshine in December
Clear Lake Shores, TX
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 4h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Clear Lake Shores, TX
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is September (10.3 days).
Average UV index in December
Clear Lake Shores, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Clear Lake Shores, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Clear Lake Shores, 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).





