Onomichi Weather Year-Round — Best Time to Visit
Onomichi, Japan has mild weather year-round. The best time to visit is August (score: 82/100). Annual average high: 19.4°C, total rainfall: 1224mm.
When is the best time to visit Onomichi?
82
August is the best month to visit Onomichi with a travel score of 82/100 (Excellent).
Expect highs of 30.8°C, 10 rain days, and 10.6 hours of daily sunshine.
View August weather details →Travel Score by Month
64
Jan
64
Feb
66
Mar
74
Apr
81
May
77
Jun
77
Jul
82
Aug
81
Sep
81
Oct
74
Nov
67
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Onomichi each month?
19.4°C
Avg High
11.8°C
Avg Low
1224mm
Annual Rain
How much rain does Onomichi get?
Onomichi receives 1224mm of rain annually. The wettest month is typically July with 178mm, while January is the driest.
What is the weather like each month in Onomichi?
January
64
9°C
Low: 1°C
5 rain days
Good
February
64
10°C
Low: 2°C
7 rain days
Good
March
66
13°C
Low: 4°C
9 rain days
Good
April
74
18°C
Low: 9°C
9 rain days
Good
May
81
22°C
Low: 14°C
10 rain days
Excellent
June
77
25°C
Low: 18°C
12 rain days
Good
July
77
29°C
Low: 23°C
13 rain days
Good
August
Best time to visit82
31°C
Low: 24°C
10 rain days
Excellent
September
81
27°C
Low: 21°C
10 rain days
Excellent
October
81
22°C
Low: 14°C
7 rain days
Excellent
November
74
16°C
Low: 9°C
6 rain days
Good
December
67
11°C
Low: 3°C
5 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31