Toshima Weather Year-Round — Best Time to Visit
Toshima, Japan has mild weather year-round. The best time to visit is August (score: 78/100). Annual average high: 19.3°C, total rainfall: 1407mm.
When is the best time to visit Toshima?
78
August is the best month to visit Toshima with a travel score of 78/100 (Good).
Expect highs of 30.7°C, 11 rain days, and 10 hours of daily sunshine.
View August weather details →Travel Score by Month
61
Jan
61
Feb
61
Mar
67
Apr
73
May
70
Jun
73
Jul
78
Aug
72
Sep
69
Oct
65
Nov
62
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Toshima each month?
19.3°C
Avg High
11°C
Avg Low
1407mm
Annual Rain
How much rain does Toshima get?
Toshima receives 1407mm of rain annually. The wettest month is typically October with 183mm, while December is the driest.
What is the weather like each month in Toshima?
January
61
8°C
Low: -1°C
6 rain days
Good
February
61
10°C
Low: 0°C
7 rain days
Good
March
61
13°C
Low: 3°C
11 rain days
Good
April
67
18°C
Low: 9°C
11 rain days
Good
May
73
23°C
Low: 14°C
12 rain days
Good
June
70
25°C
Low: 18°C
13 rain days
Good
July
73
29°C
Low: 22°C
13 rain days
Good
August
Best time to visit78
31°C
Low: 24°C
11 rain days
Good
September
72
27°C
Low: 20°C
13 rain days
Good
October
69
21°C
Low: 14°C
12 rain days
Good
November
65
16°C
Low: 8°C
9 rain days
Good
December
62
11°C
Low: 2°C
7 rain days
Good
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What cities are near Toshima?
Data based on 1994–2024 averages · Last updated: 2024-12-31