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Port Arthur January Weather

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

Typical Port Arthur January Weather 1991–2020
Average daily high	63.1 °F
Average daily low	43.8 °F
Average monthly precipitation	5.3 inches
Daily chance of precipitation	30.9%

Port Arthur January Weather Records 1947–2024
Highest temperature	82 °F	January 3, 2023
Lowest temperature	14 °F	January 12, 1962
Highest daily low	71 °F	January 1, 2022
Lowest daily high	27 °F	January 10, 1962
Hottest average high temperature	71.6 °F	1950
Coldest average high temperature	50.7 °F	1978
Most daily precipitation	6.7 inches	January 27, 2018
Most monthly precipitation	14.9 inches	1991

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
January 1	63.0	44.2	81	25
January 2	62.9	44.2	81	19
January 3	62.8	44.1	82	19
January 4	62.7	43.9	77	23
January 5	62.6	43.8	78	21
January 6	62.5	43.7	81	21
January 7	62.6	43.7	81	19
January 8	62.8	43.9	80	19
January 9	62.9	44.0	78	18
January 10	62.9	43.9	79	16
January 11	62.9	43.9	80	15
January 12	63.0	43.8	80	14
January 13	63.1	43.9	82	20
January 14	63.1	43.9	77	19
January 15	63.1	43.9	81	25
January 16	63.1	43.8	82	21
January 17	63.2	43.8	79	19
January 18	63.4	43.9	81	23
January 19	63.4	44.0	80	21
January 20	63.4	44.1	82	23
January 21	63.4	44.1	81	18
January 22	63.5	44.2	78	25
January 23	63.5	44.3	78	22
January 24	63.6	44.3	79	16
January 25	63.7	44.3	80	22
January 26	63.8	44.4	80	26
January 27	63.9	44.5	79	25
January 28	63.9	44.6	78	26
January 29	64.0	44.7	80	25
January 30	64.1	44.7	81	20
January 31	64.3	44.9	79	15

Weather Station Details

Years	Station	Coordinates
1947–2024	Jack Brooks Regional Airport	location