Port Arthur (zip 77640), Texas gets 59 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Port Arthur (zip 77640) 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 77640). The US average is 205 sunny days.
Port Arthur (zip 77640) gets some kind of precipitation, on average, 104 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.
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
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the 77640 zip code is 6.6 (10=best), which means it is less comfortable than most places in Texas.
6.6 / 10
April, October and November are the most pleasant months in the 77640 zip code, while July and August are the least comfortable months.