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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 11.2–19.8°C, 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 23.7–30.0°C, 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 14.4–27.3°C, 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 5.8–7.3°C, 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. 17.6°C / Annual rainfall: approx. 1529 mm / Summer humidity: 70%–80% / Rainiest month: July
Hiroshima monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.8°C
33.7
February
6.7°C
73.7
March
11.2°C
115
April
16.5°C
193.3
May
19.8°C
165.7
June
23.7°C
217
July
28.3°C
308
August
30°C
83.7
September
27.3°C
128.3
October
19.7°C
72
November
14.4°C
111
December
7.3°C
28.3
Hiroshima weather for the next seven days
10/13
Monday
Sunny
27.6°C/19.5°C
10/14
Tuesday
Patchy rain nearby
25.1°C/19.3°C
10/15
Wednesday
Patchy rain nearby
24.1°C/20.1°C
10/16
Thursday
Moderate rain
24.3°C/17.2°C
10/17
Friday
Sunny
23.7°C/14.1°C
10/18
Saturday
Patchy rain nearby
24.2°C/16.5°C
10/19
Sunday
Partly Cloudy
22.7°C/16.7°C
