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Hiroshima
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Hiroshima Weather and climate
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
10/13
Monday
Sunny
81.7°F/67.2°F
10/14
Tuesday
Patchy rain nearby
77.3°F/66.8°F
10/15
Wednesday
Patchy rain nearby
75.5°F/68.2°F
10/16
Thursday
Moderate rain
75.7°F/63°F
10/17
Friday
Sunny
74.6°F/57.3°F
10/18
Saturday
Patchy rain nearby
75.6°F/61.7°F
10/19
Sunday
Partly Cloudy
72.8°F/62.1°F
