Kōshi Weather Year-Round — Best Time to Visit
Kōshi, Japan has mild weather year-round. The best time to visit is October (score: 80/100). Annual average high: 20.1°C, total rainfall: 1929mm.
When is the best time to visit Kōshi?
80
October is the best month to visit Kōshi with a travel score of 80/100 (Good).
Expect highs of 22.9°C, 8 rain days, and 8.3 hours of daily sunshine.
View October weather details →Travel Score by Month
59
Jan
61
Feb
63
Mar
71
Apr
77
May
67
Jun
68
Jul
76
Aug
78
Sep
80
Oct
70
Nov
62
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Kōshi each month?
20.1°C
Avg High
11.9°C
Avg Low
1929mm
Annual Rain
How much rain does Kōshi get?
Kōshi receives 1929mm of rain annually. The wettest month is typically June with 398mm, while January is the driest.
What is the weather like each month in Kōshi?
January
59
9°C
Low: 1°C
8 rain days
Mixed
February
61
11°C
Low: 2°C
9 rain days
Good
March
63
14°C
Low: 5°C
11 rain days
Good
April
71
19°C
Low: 10°C
11 rain days
Good
May
77
24°C
Low: 14°C
11 rain days
Good
June
67
26°C
Low: 19°C
16 rain days
Good
July
68
29°C
Low: 23°C
17 rain days
Good
August
76
31°C
Low: 24°C
14 rain days
Good
September
78
28°C
Low: 20°C
11 rain days
Good
October
Best time to visit80
23°C
Low: 14°C
8 rain days
Good
November
70
17°C
Low: 8°C
8 rain days
Good
December
62
11°C
Low: 3°C
8 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31