Haimen Weather Year-Round — Best Time to Visit
Haimen, China has warm weather year-round. The best time to visit is October (score: 87/100). Annual average high: 24.6°C, total rainfall: 1438mm.
When is the best time to visit Haimen?
87
October is the best month to visit Haimen with a travel score of 87/100 (Excellent).
Expect highs of 26.8°C, 6 rain days, and 9.7 hours of daily sunshine.
View October weather details →Travel Score by Month
78
Jan
73
Feb
74
Mar
75
Apr
67
May
64
Jun
67
Jul
66
Aug
75
Sep
87
Oct
85
Nov
81
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Haimen each month?
24.6°C
Avg High
20°C
Avg Low
1438mm
Annual Rain
How much rain does Haimen get?
Haimen receives 1438mm of rain annually. The wettest month is typically August with 258mm, while January is the driest.
What is the weather like each month in Haimen?
January
78
18°C
Low: 12°C
5 rain days
Good
February
73
18°C
Low: 13°C
7 rain days
Good
March
74
21°C
Low: 16°C
9 rain days
Good
April
75
24°C
Low: 19°C
11 rain days
Good
May
67
27°C
Low: 23°C
17 rain days
Good
June
64
29°C
Low: 25°C
21 rain days
Good
July
67
30°C
Low: 26°C
20 rain days
Good
August
66
30°C
Low: 26°C
21 rain days
Good
September
75
29°C
Low: 25°C
14 rain days
Good
October
Best time to visit87
27°C
Low: 22°C
6 rain days
Excellent
November
85
24°C
Low: 18°C
5 rain days
Excellent
December
81
19°C
Low: 14°C
5 rain days
Excellent
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Data based on 1994–2024 averages · Last updated: 2024-12-31