About Port Arthur, TX

Port Arthur is a city of approximately 55,300 people in Texas, United States. Located in the Central Time Zone at 29.9°N latitude.

Across a typical year Port Arthur sees about 62 inches of precipitation, with August the wettest month and February the driest. Temperatures range from January lows near 44°F up to July highs around 93°F, averaging 70°F annually — characteristic of a humid subtropical climate.