December weather forecastWest Port Arthur, TX
December
Weather in December
The first month of the winter, December, is also an enjoyable month in West Port Arthur, Texas, with an average temperature ranging between max 61.9°F (16.6°C) and min 50.2°F (10.1°C).Temperature
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from an agreeable 68.9°F (20.5°C) to a comfortable 61.9°F (16.6°C). West Port Arthur's average low-temperature in the month of December is recorded at a cool 50.2°F (10.1°C).Humidity
In West Port Arthur, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 8.7 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 132.6 rainfall days, and 12.09" (307mm) of precipitation is accumulated.Snowfall
December is the only month when snow falls. The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.Daylight
The month with the shortest days in West Port Arthur is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:11 am and sunset at 5:27 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Port Arthur, TX
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 50.2°F
The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in December
West Port Arthur, 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
West Port Arthur, TX
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
West Port Arthur, TX
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
West Port Arthur, TX
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is April (0.43").
Average rainfall days in December
West Port Arthur, TX
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is August (17.9 days).
The months with the least rainy days are January and November (7.8 days).
Average snowfall in December
West Port Arthur, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
West Port Arthur, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
West Port Arthur, 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: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
West Port Arthur, TX
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is August (8.8 days).
Average UV index in December
West Port Arthur, 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
West Port Arthur, TX
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
West Port Arthur, 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).





