The climate in 77642 Port Arthur, TX is generally hot and humid, with temperatures often reaching into the 90s during the summer months. The area typically experiences heavy rainfall throughout the year, with a peak around August and September. Winters are usually mild and sunny, although occasionally cold fronts can bring occasional snowfall or sleet across the region. Given its location on the Gulf Coast of Texas, this area is vulnerable to damaging hurricanes from time to time.
Port Arthur (zip 77642), Texas gets 59 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Port Arthur (zip 77642) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 212 sunny days per year in Port Arthur (zip 77642). The US average is 205 sunny days.
Port Arthur (zip 77642) gets some kind of precipitation, on average, 98 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 92 degrees
Winter Low: the January low is 42
Rain: averages 59 inches of rain a year
Snow: averages 0 inches of snow a year