Hot
Average highs reach 33°C, so days can feel very hot.
Weather Guide
Best months: May, October, June
Across the year, average daytime temperatures are around 25°C, sunshine averages 7h per day, and rainfall totals about 1431mm.
Annual averages
Temp
25°C
Rain
1431mm
Annual total
Sun
7h
Weather score
57
Good avg
Hot
Average highs reach 33°C, so days can feel very hot.
Showers
Rainfall averages 136mm, so some wet days are possible.
Bright
Sunshine averages 8.3h per day, so bright days are a strong part of the month.
Map
Compare Port Arthur, Texas, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
August33°C average high
August is one of Port Arthur's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
August136mm average rain
August is wetter than Port Arthur's yearly average, so flexible plans matter more.
Driest monthsFebruary to April and October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August8.3 hours average sun
August is brighter than Port Arthur's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
August62 weather score
August scores above Port Arthur's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to June and September to October
These months have the strongest weather score in the monthly averages.