Ōi Weather Year-Round — Best Time to Visit
Ōi, Japan has mild weather year-round. The best time to visit is August (score: 74/100). Annual average high: 19°C, total rainfall: 1519mm.
When is the best time to visit Ōi?
74
August is the best month to visit Ōi with a travel score of 74/100 (Good).
Expect highs of 30.2°C, 15 rain days, and 9.7 hours of daily sunshine.
View August weather details →Travel Score by Month
62
Jan
62
Feb
61
Mar
68
Apr
73
May
70
Jun
70
Jul
74
Aug
71
Sep
69
Oct
66
Nov
64
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Ōi each month?
19°C
Avg High
10.2°C
Avg Low
1519mm
Annual Rain
How much rain does Ōi get?
Ōi receives 1519mm of rain annually. The wettest month is typically September with 198mm, while December is the driest.
What is the weather like each month in Ōi?
January
62
8°C
Low: -2°C
7 rain days
Good
February
62
9°C
Low: -1°C
8 rain days
Good
March
61
13°C
Low: 3°C
12 rain days
Good
April
68
18°C
Low: 8°C
12 rain days
Good
May
73
23°C
Low: 13°C
13 rain days
Good
June
70
25°C
Low: 18°C
15 rain days
Good
July
70
29°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: 19°C
14 rain days
Good
October
69
21°C
Low: 13°C
12 rain days
Good
November
66
16°C
Low: 7°C
9 rain days
Good
December
64
11°C
Low: 1°C
6 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31