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Hiroshima

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Hiroshima Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Hiroshima year round climate

  • Spring (March–May): Average 52–67°F, mild climate but with relatively high rainfall, especially in April. Common activities: Cherry blossom viewing, outdoor walks. Recommended clothing: Light jacket, long-sleeved shirts and pants.
  • Summer (June–August): Average 74–86°F, hot and humid, with the most rainfall in July. Be mindful of sun protection and heatstroke prevention. Common activities: Swimming at the beach, mountain climbing for cooler temperatures. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 67–57°F, comfortable and pleasant climate with reduced rainfall. Common activities: Maple leaf viewing, enjoying autumn cuisine. Recommended clothing: Light jacket, long-sleeved shirts and pants.
  • Winter (December–February): Average 45–44°F, relatively low temperatures and humidity, with little rainfall. Common activities: Onsen (hot spring) visits, indoor leisure activities. Recommended clothing: Warm jacket, sweater, scarf.

Hiroshima climatological average

Annual average temperature: approx. 63.7°F / Annual rainfall: approx. 1529 mm / Summer humidity: 70%–80% / Rainiest month: July

Hiroshima monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
42.4°F
33.7
February
44.1°F
73.7
March
52.2°F
115
April
61.7°F
193.3
May
67.6°F
165.7
June
74.7°F
217
July
82.9°F
308
August
86°F
83.7
September
81.1°F
128.3
October
67.5°F
72
November
57.9°F
111
December
45.1°F
28.3

Hiroshima weather for the next seven days

11/26
Wednesday
Sunny
58.7°F/44.7°F
11/27
Thursday
Patchy rain nearby
59.4°F/42.1°F
11/28
Friday
Patchy rain nearby
53.7°F/40.4°F
11/29
Saturday
Sunny
54.6°F/37.5°F
11/30
Sunday
Partly Cloudy
57°F/39.8°F
12/1
Monday
Patchy rain nearby
55.5°F/44.4°F
12/2
Tuesday
Sunny
54.1°F/38.8°F