Hiroshima Weather Year-Round — Best Time to Visit
Hiroshima, Japan has mild weather year-round. The best time to visit is May (score: 80/100). Annual average high: 19.5°C, total rainfall: 1509mm.
When is the best time to visit Hiroshima?
80
May is the best month to visit Hiroshima with a travel score of 80/100 (Good).
Expect highs of 22.6°C, 10 rain days, and 9.6 hours of daily sunshine.
View May weather details →Travel Score by Month
59
Jan
61
Feb
64
Mar
73
Apr
80
May
74
Jun
73
Jul
77
Aug
77
Sep
79
Oct
71
Nov
62
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in Hiroshima each month?
19.5°C
Avg High
11.7°C
Avg Low
1509mm
Annual Rain
How much rain does Hiroshima get?
Hiroshima receives 1509mm of rain annually. The wettest month is typically July with 236mm, while January is the driest.
What is the weather like each month in Hiroshima?
January
59
8°C
Low: 1°C
8 rain days
Mixed
February
61
10°C
Low: 2°C
9 rain days
Good
March
64
13°C
Low: 4°C
11 rain days
Good
April
73
18°C
Low: 9°C
10 rain days
Good
May
Best time to visit80
23°C
Low: 14°C
10 rain days
Good
June
74
26°C
Low: 18°C
13 rain days
Good
July
73
29°C
Low: 23°C
15 rain days
Good
August
77
31°C
Low: 24°C
13 rain days
Good
September
77
27°C
Low: 20°C
12 rain days
Good
October
79
22°C
Low: 14°C
8 rain days
Good
November
71
16°C
Low: 8°C
8 rain days
Good
December
62
11°C
Low: 3°C
8 rain days
Good
Compare Hiroshima
Popular comparisons:
Planning a Trip to Japan?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
What cities are near Hiroshima?
Data based on 1994–2024 averages · Last updated: 2024-12-31