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
10/17
Friday
Sunny
75.7°F/58.9°F
10/18
Saturday
Moderate rain
76.4°F/63.6°F
10/19
Sunday
Patchy rain nearby
65.2°F/61.2°F
10/20
Monday
Partly Cloudy
72.4°F/58.5°F
10/21
Tuesday
Cloudy
66.7°F/57.8°F
10/22
Wednesday
Sunny
63.8°F/52.7°F
10/23
Thursday
Sunny
67°F/47.4°F
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