Port Arthur Weather Year-Round — Best Time to Visit
Port Arthur, United States has warm weather year-round. The best time to visit is October (score: 83/100). Annual average high: 23.8°C, total rainfall: 1353mm.
When is the best time to visit Port Arthur?
83
October is the best month to visit Port Arthur with a travel score of 83/100 (Excellent).
Expect highs of 25.3°C, 8 rain days, and 9.4 hours of daily sunshine.
View October weather details →Travel Score by Month
64
Jan
68
Feb
74
Mar
81
Apr
79
May
76
Jun
73
Jul
74
Aug
80
Sep
83
Oct
76
Nov
66
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Port Arthur each month?
23.8°C
Avg High
18.2°C
Avg Low
1353mm
Annual Rain
How much rain does Port Arthur get?
Port Arthur receives 1353mm of rain annually. The wettest month is typically September with 140mm, while February is the driest.
What is the weather like each month in Port Arthur?
January
64
15°C
Low: 9°C
10 rain days
Good
February
68
17°C
Low: 11°C
9 rain days
Good
March
74
20°C
Low: 14°C
10 rain days
Good
April
81
24°C
Low: 18°C
9 rain days
Excellent
May
79
27°C
Low: 22°C
10 rain days
Good
June
76
30°C
Low: 25°C
14 rain days
Good
July
73
31°C
Low: 26°C
16 rain days
Good
August
74
31°C
Low: 26°C
15 rain days
Good
September
80
29°C
Low: 24°C
11 rain days
Excellent
October
Best time to visit83
25°C
Low: 19°C
8 rain days
Excellent
November
76
20°C
Low: 14°C
8 rain days
Good
December
66
16°C
Low: 10°C
9 rain days
Good
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What cities are near Port Arthur?
Data based on 1994–2024 averages · Last updated: 2024-12-31