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Port Arthur August Weather

Averages and records for weather in Port Arthur, Texas in the month of August.

Typical Port Arthur August Weather 1991–2020
Average daily high	92.6 °F
Average daily low	74.5 °F
Average monthly precipitation	6.9 inches
Daily chance of precipitation	36.3%

Port Arthur August Weather Records 1947–2024
Highest temperature	111 °F	August 27, 2023
Lowest temperature	60 °F	August 9, 1989
Highest daily low	82 °F	August 22, 2023
Lowest daily high	74 °F	August 30, 2017
Hottest average high temperature	101.4 °F	2023
Coldest average high temperature	88.1 °F	2017
Most daily precipitation	26.0 inches	August 29, 2017
Most monthly precipitation	54.7 inches	2017

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
August 1	92.7	74.8	104	66
August 2	92.8	74.8	101	66
August 3	92.8	74.7	100	68
August 4	92.8	74.7	100	64
August 5	92.8	74.7	102	68
August 6	92.8	74.7	100	69
August 7	92.8	74.7	101	68
August 8	92.8	74.7	103	69
August 9	92.8	74.7	105	60
August 10	92.8	74.7	107	61
August 11	92.9	74.7	104	67
August 12	92.9	74.7	103	62
August 13	92.8	74.6	103	62
August 14	92.8	74.6	103	63
August 15	92.7	74.6	105	61
August 16	92.7	74.5	101	64
August 17	92.6	74.5	101	64
August 18	92.5	74.5	102	66
August 19	92.4	74.5	103	69
August 20	92.3	74.4	107	66
August 21	92.2	74.4	101	65
August 22	92.2	74.3	100	62
August 23	92.1	74.2	104	62
August 24	92.1	74.1	108	64
August 25	91.9	73.9	102	65
August 26	91.8	73.8	104	65
August 27	91.7	73.7	111	66
August 28	91.6	73.7	102	65
August 29	91.4	73.6	104	62
August 30	91.4	73.5	103	63
August 31	91.3	73.4	108	65

Weather Station Details

Years	Station	Coordinates
1947–2024	Jack Brooks Regional Airport	location