Weather By Day

December Port Arthur Weather 
December Port Arthur Weather
Record High: 84°F
Normal High: 64°F
Normal Low: 44°F
Record Low: 12°F
Avg Monthly Rain: 5.25"
Rec 1 Day Rain: 8.04"

Port Arthur Weather In December

The hottest day in Port Arthur Texas in December for the past 57 years was 84 degrees Fahrenheit, most recently measured on December 7, 1978, while the normal high temperature is 64. The coldest day reported in Port Arthur in December for the past 57 years was 12 measured on December 22, 1989, and the standard low recorded daily temperature is 44.

According to National Weather Service historical Port Arthur December Weather data, on December 20, 1989, the high temperature did not exceed 29 degrees Fahrenheit, the lowest high measured in Port Arthur in the past 57 years. The Weather Service additionally shows that on December 7, 1978, the low for the day did not drop below 75 degrees, the highest low temperature in Port Arthur in the last 57 years.

Weather Service historical data shows that the average daily high temperature in Port Arthur on December First is 66 degrees Fahrenheit and the average high on the last day of December is 63 degrees. The low measured temperature in Port Arthur on December First averages 45 degrees and the low on the last day of the month averages 44 degrees.

Port Arthur typically receives an average of 5.25 inches of precipitation during the month. According to December Port Arthur Weather records, the most rain measured in a single day in December was 8.04 inches on December 27, 1982.