When to go
The Best Time to Visit Hiroshima
Month-by-month climate data for Hiroshima, Japan — daily highs and lows, rain days, and an honest verdict for every month of the year.
March–May, October–November. Cherry blossoms in spring, maple foliage in autumn; summers are humid, winters mild and dry.
Warmest in Hiroshima: Aug (31°C / 88°F) · Coolest: Jan (9°C / 48°F) · Wettest: Jul (~17 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Hiroshima climate, month by month
January
9° / 1°C
~7 rain days
Fair
February
10° / 1°C
~7 rain days
Good
March
14° / 4°C
~11 rain days
Good
April
18° / 8°C
~9 rain days
Excellent
May
22° / 13°C
~10 rain days
Excellent
June
25° / 18°C
~14 rain days
Good
July
29° / 23°C
~17 rain days
Good
August
31° / 24°C
~13 rain days
Good
September
28° / 21°C
~12 rain days
Excellent
October
22° / 13°C
~7 rain days
Excellent
November
17° / 8°C
~6 rain days
Excellent
December
11° / 2°C
~4 rain days
Good
Plan around it
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