Port Arthur July Weather

Averages and records for weather in Port Arthur, Texas in the month of July.
Typical Port Arthur July Weather
1991–2020
Average daily high 92.1 °F
Average daily low 74.7 °F
Average monthly precipitation 6.7 inches
Daily chance of precipitation 38.0%
Port Arthur July Weather Records
1947–2024
Highest temperature 103 °F July 17, 1980
Lowest temperature 61 °F July 14, 1990
Highest daily low 81 °F July 5, 2016
Lowest daily high 77 °F July 4, 1985
Hottest average high temperature 98.3 °F 2023
Coldest average high temperature 87.2 °F 1972
Most daily precipitation 8.7 inches July 25, 1979
Most monthly precipitation 18.7 inches 1959
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
July 1 91.4 74.3 99 67
July 2 91.4 74.4 100 68
July 3 91.5 74.4 100 69
July 4 91.5 74.4 103 69
July 5 91.5 74.5 98 63
July 6 91.6 74.5 97 66
July 7 91.7 74.6 98 66
July 8 91.7 74.6 100 70
July 9 91.8 74.6 100 67
July 10 91.9 74.6 100 69
July 11 91.9 74.6 100 69
July 12 91.9 74.6 98 67
July 13 92.0 74.6 99 66
July 14 92.0 74.6 99 61
July 15 92.1 74.6 101 61
July 16 92.1 74.7 101 62
July 17 92.1 74.7 103 64
July 18 92.2 74.7 98 69
July 19 92.3 74.7 99 69
July 20 92.3 74.7 100 70
July 21 92.4 74.7 100 69
July 22 92.5 74.7 100 68
July 23 92.5 74.7 100 67
July 24 92.5 74.7 98 69
July 25 92.5 74.7 98 68
July 26 92.6 74.7 99 69
July 27 92.6 74.8 98 70
July 28 92.6 74.8 98 69
July 29 92.7 74.8 100 68
July 30 92.7 74.8 102 68
July 31 92.7 74.8 101 67
Weather Station Details
Years Station Coordinates
1947–2024 Jack Brooks Regional Airport location