Koganei Weather Year-Round — Best Time to Visit
Koganei, Japan has mild weather year-round. The best time to visit is August (score: 74/100). Annual average high: 18.5°C, total rainfall: 1553mm.
When is the best time to visit Koganei?
74
August is the best month to visit Koganei with a travel score of 74/100 (Good).
Expect highs of 29.5°C, 15 rain days, and 9.7 hours of daily sunshine.
View August weather details →Travel Score by Month
62
Jan
61
Feb
59
Mar
66
Apr
71
May
69
Jun
70
Jul
74
Aug
71
Sep
68
Oct
65
Nov
63
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Koganei each month?
18.5°C
Avg High
10.6°C
Avg Low
1553mm
Annual Rain
How much rain does Koganei get?
Koganei receives 1553mm of rain annually. The wettest month is typically September with 202mm, while December is the driest.
What is the weather like each month in Koganei?
January
62
8°C
Low: -1°C
6 rain days
Good
February
61
9°C
Low: -1°C
8 rain days
Good
March
59
12°C
Low: 3°C
12 rain days
Mixed
April
66
17°C
Low: 8°C
12 rain days
Good
May
71
22°C
Low: 13°C
13 rain days
Good
June
69
24°C
Low: 18°C
15 rain days
Good
July
70
28°C
Low: 22°C
16 rain days
Good
August
Best time to visit74
30°C
Low: 23°C
15 rain days
Good
September
71
26°C
Low: 20°C
14 rain days
Good
October
68
20°C
Low: 14°C
12 rain days
Good
November
65
15°C
Low: 7°C
10 rain days
Good
December
63
10°C
Low: 2°C
7 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31