Port Arthur May Weather

Averages and records for weather in Port Arthur, Texas in the month of May.
Typical Port Arthur May Weather
1991–2020
Average daily high 85.3 °F
Average daily low 67.4 °F
Average monthly precipitation 4.7 inches
Daily chance of precipitation 23.2%
Port Arthur May Weather Records
1947–2024
Highest temperature 98 °F May 26, 2011
Lowest temperature 42 °F May 4, 2013
Highest daily low 79 °F May 21, 2022
Lowest daily high 67 °F May 3, 1954
Hottest average high temperature 90.4 °F 2018
Coldest average high temperature 80.7 °F 1983
Most daily precipitation 9.9 inches May 18, 1989
Most monthly precipitation 15.6 inches 2021
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
May 1 82.1 63.6 90 47
May 2 82.3 63.9 91 49
May 3 82.6 64.1 93 46
May 4 82.8 64.3 91 42
May 5 83.0 64.5 91 49
May 6 83.2 64.8 89 47
May 7 83.4 65.0 91 47
May 8 83.6 65.3 92 48
May 9 83.8 65.5 93 50
May 10 84.0 65.8 93 49
May 11 84.2 66.1 90 49
May 12 84.5 66.4 90 50
May 13 84.7 66.6 93 50
May 14 84.9 66.9 92 53
May 15 85.1 67.2 95 46
May 16 85.3 67.4 96 51
May 17 85.5 67.6 96 54
May 18 85.8 67.9 93 53
May 19 86.0 68.1 93 51
May 20 86.2 68.4 93 54
May 21 86.5 68.7 97 55
May 22 86.7 68.9 98 57
May 23 86.9 69.0 93 51
May 24 87.1 69.2 92 58
May 25 87.3 69.4 92 56
May 26 87.5 69.6 98 57
May 27 87.7 69.8 95 52
May 28 87.8 70.0 96 53
May 29 88.0 70.2 96 58
May 30 88.3 70.5 95 55
May 31 88.5 70.7 97 53
Weather Station Details
Years Station Coordinates
1947–2024 Jack Brooks Regional Airport location