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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 relatively high rainfall, especially in April. Common activities: Cherry blossom viewing (be mindful of rain), outdoor walks (bring rain gear). Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 74–86°F, hot and humid, with the most rainfall in July. Common activities: Swimming, mountain climbing (pay attention to heatstroke prevention), visiting indoor attractions. Recommended clothing: Light and breathable clothing, hat, sunscreen.
  • Autumn (September–November): Average 57–81°F, pleasant and comfortable climate, with gradually decreasing rainfall. Common activities: Maple leaf viewing (in some areas), outdoor activities. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 42–45°F, cold and dry, with less rainfall. Common activities: Indoor activities, hot spring bathing. Recommended clothing: Warm jacket, sweater, scarf, gloves.

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

11/28
Friday
Patchy rain nearby
53.2°F/40.9°F
11/29
Saturday
Sunny
54.2°F/37.9°F
11/30
Sunday
Sunny
58.8°F/40.7°F
12/1
Monday
Patchy rain nearby
61.6°F/46.8°F
12/2
Tuesday
Partly Cloudy
56°F/43.7°F
12/3
Wednesday
Patchy rain nearby
37.6°F/33.7°F
12/4
Thursday
Patchy rain nearby
42.7°F/31.6°F