Hachiōji Weather Year-Round — Best Time to Visit
Hachiōji, Japan has mild weather year-round. The best time to visit is May (score: 70/100). Annual average high: 18.5°C, total rainfall: 1791mm.
When is the best time to visit Hachiōji?
70
May is the best month to visit Hachiōji with a travel score of 70/100 (Good).
Expect highs of 21.6°C, 14 rain days, and 8.8 hours of daily sunshine.
View May weather details →Travel Score by Month
61
Jan
61
Feb
59
Mar
66
Apr
70
May
65
Jun
65
Jul
68
Aug
68
Sep
66
Oct
64
Nov
63
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Hachiōji each month?
18.5°C
Avg High
9.9°C
Avg Low
1791mm
Annual Rain
How much rain does Hachiōji get?
Hachiōji receives 1791mm of rain annually. The wettest month is typically September with 230mm, while December is the driest.
What is the weather like each month in Hachiōji?
January
61
8°C
Low: -2°C
7 rain days
Good
February
61
9°C
Low: -1°C
8 rain days
Good
March
59
13°C
Low: 2°C
14 rain days
Mixed
April
66
17°C
Low: 7°C
13 rain days
Good
May
Best time to visit70
22°C
Low: 13°C
14 rain days
Good
June
65
24°C
Low: 17°C
18 rain days
Good
July
65
28°C
Low: 21°C
20 rain days
Good
August
68
29°C
Low: 22°C
19 rain days
Good
September
68
26°C
Low: 19°C
16 rain days
Good
October
66
20°C
Low: 13°C
14 rain days
Good
November
64
15°C
Low: 7°C
10 rain days
Good
December
63
11°C
Low: 1°C
7 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31