Hiroshima Climate (Weather Averages)

The Climate Guide for Hiroshima, Japan is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Hiroshima Weather Japan Summary Hiroshima Climate Hiroshima Today Hiroshima Forecast Hiroshima When Best
Hiroshima Weather Japan Summary Hiroshima Climate Hiroshima Today Hiroshima Forecast Hiroshima When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 9°C (48°F) Max Daytime Temperature in January in Hiroshima 10°C (50°F) Max Daytime Temperature in February in Hiroshima 13°C (55°F) Max Daytime Temperature in March in Hiroshima 18°C (64°F) Max Daytime Temperature in April in Hiroshima 23°C (73°F) Max Daytime Temperature in May in Hiroshima 26°C (79°F) Max Daytime Temperature in June in Hiroshima 30°C (86°F) Max Daytime Temperature in July in Hiroshima 32°C (90°F) Max Daytime Temperature in August in Hiroshima 28°C (82°F) Max Daytime Temperature in September in Hiroshima 23°C (73°F) Max Daytime Temperature in October in Hiroshima 17°C (63°F) Max Daytime Temperature in November in Hiroshima 12°C (54°F) Max Daytime Temperature in December in Hiroshima
Min Night-time Temperature (°C) 0°C (32°F) Min Night-time Temperature in January in Hiroshima 1°C (34°F) Min Night-time Temperature in February in Hiroshima 4°C (39°F) Min Night-time Temperature in March in Hiroshima 8°C (46°F) Min Night-time Temperature in April in Hiroshima 13°C (55°F) Min Night-time Temperature in May in Hiroshima 18°C (64°F) Min Night-time Temperature in June in Hiroshima 23°C (73°F) Min Night-time Temperature in July in Hiroshima 23°C (73°F) Min Night-time Temperature in August in Hiroshima 19°C (66°F) Min Night-time Temperature in September in Hiroshima 13°C (55°F) Min Night-time Temperature in October in Hiroshima 7°C (45°F) Min Night-time Temperature in November in Hiroshima 3°C (37°F) Min Night-time Temperature in December in Hiroshima
Hours of Sunshine (Daily) 4 Hours of Bright Sunshine per day (38% of Daylight Hours) in January in Hiroshima 4 Hours of Bright Sunshine per day (39% of Daylight Hours) in February in Hiroshima 5 Hours of Bright Sunshine per day (44% of Daylight Hours) in March in Hiroshima 6 Hours of Bright Sunshine per day (45% of Daylight Hours) in April in Hiroshima 7 Hours of Bright Sunshine per day (47% of Daylight Hours) in May in Hiroshima 5 Hours of Bright Sunshine per day (36% of Daylight Hours) in June in Hiroshima 6 Hours of Bright Sunshine per day (41% of Daylight Hours) in July in Hiroshima 7 Hours of Bright Sunshine per day (51% of Daylight Hours) in August in Hiroshima 5 Hours of Bright Sunshine per day (42% of Daylight Hours) in September in Hiroshima 6 Hours of Bright Sunshine per day (49% of Daylight Hours) in October in Hiroshima 5 Hours of Bright Sunshine per day (44% of Daylight Hours) in November in Hiroshima 4 Hours of Bright Sunshine per day (40% of Daylight Hours) in December in Hiroshima
Hours of Daylight (Daily) 10 Hours of Daylight in January in Hiroshima 11 Hours of Daylight in February in Hiroshima 12 Hours of Daylight in March in Hiroshima 13 Hours of Daylight in April in Hiroshima 14 Hours of Daylight in May in Hiroshima 14 Hours of Daylight in June in Hiroshima 14 Hours of Daylight in July in Hiroshima 13 Hours of Daylight in August in Hiroshima 12 Hours of Daylight in September in Hiroshima 11 Hours of Daylight in October in Hiroshima 10 Hours of Daylight in November in Hiroshima 10 Hours of Daylight in December in Hiroshima
Heat and Humidity Discomfort No Heat & Humidity in January in Hiroshima No Heat & Humidity in February in Hiroshima No Heat & Humidity in March in Hiroshima No Heat & Humidity in April in Hiroshima No Heat & Humidity in May in Hiroshima Low Heat & Humidity in June in Hiroshima High Heat & Humidity in July in Hiroshima Very High Heat & Humidity in August in Hiroshima Moderate Heat & Humidity in September in Hiroshima No Heat & Humidity in October in Hiroshima No Heat & Humidity in November in Hiroshima No Heat & Humidity in December in Hiroshima
Days with some Rainfall 19 Days with some Rainfall in January in Hiroshima 18 Days with some Rainfall in February in Hiroshima 18 Days with some Rainfall in March in Hiroshima 15 Days with some Rainfall in April in Hiroshima 14 Days with some Rainfall in May in Hiroshima 17 Days with some Rainfall in June in Hiroshima 17 Days with some Rainfall in July in Hiroshima 14 Days with some Rainfall in August in Hiroshima 16 Days with some Rainfall in September in Hiroshima 12 Days with some Rainfall in October in Hiroshima 13 Days with some Rainfall in November in Hiroshima 17 Days with some Rainfall in December in Hiroshima
Monthly Rainfall (mm) 56 mm (2.2 inches) Monthly Rainfall in January in Hiroshima 68 mm (2.7 inches) Monthly Rainfall in February in Hiroshima 109 mm (4.3 inches) Monthly Rainfall in March in Hiroshima 158 mm (6.2 inches) Monthly Rainfall in April in Hiroshima 150 mm (5.9 inches) Monthly Rainfall in May in Hiroshima 252 mm (9.9 inches) Monthly Rainfall in June in Hiroshima 237 mm (9.3 inches) Monthly Rainfall in July in Hiroshima 116 mm (4.6 inches) Monthly Rainfall in August in Hiroshima 192 mm (7.6 inches) Monthly Rainfall in September in Hiroshima 105 mm (4.1 inches) Monthly Rainfall in October in Hiroshima 72 mm (2.8 inches) Monthly Rainfall in November in Hiroshima 48 mm (1.9 inches) Monthly Rainfall in December in Hiroshima
UV Index (Maximum) UV (Maximum) Index 3 (Moderate) in January in Hiroshima UV (Maximum) Index 4 (Moderate) in February in Hiroshima UV (Maximum) Index 6 (High) in March in Hiroshima UV (Maximum) Index 8 (Very High) in April in Hiroshima UV (Maximum) Index 9 (Very High) in May in Hiroshima UV (Maximum) Index 10 (Very High) in June in Hiroshima UV (Maximum) Index 11 (Extreme) in July in Hiroshima UV (Maximum) Index 10 (Very High) in August in Hiroshima UV (Maximum) Index 8 (Very High) in September in Hiroshima UV (Maximum) Index 6 (High) in October in Hiroshima UV (Maximum) Index 4 (Moderate) in November in Hiroshima UV (Maximum) Index 3 (Moderate) in December in Hiroshima
Sea Temperature (°C) 16°C (61°F) Sea Temperature in January in Hiroshima 15°C (59°F) Sea Temperature in February in Hiroshima 15°C (59°F) Sea Temperature in March in Hiroshima 16°C (61°F) Sea Temperature in April in Hiroshima 19°C (66°F) Sea Temperature in May in Hiroshima 21°C (70°F) Sea Temperature in June in Hiroshima 25°C (77°F) Sea Temperature in July in Hiroshima 27°C (81°F) Sea Temperature in August in Hiroshima 26°C (79°F) Sea Temperature in September in Hiroshima 23°C (73°F) Sea Temperature in October in Hiroshima 21°C (70°F) Sea Temperature in November in Hiroshima 18°C (64°F) Sea Temperature in December in Hiroshima
J F M A M J J A S O N D
 		    
 

Hiroshima Climate Zone

Hiroshima has a warm temperate climate with hot summers and some rainfall in all months.
Hiroshima Holidays Hiroshima Flights Hiroshima Hotels Hiroshima Hire Cars Hiroshima Villas Hiroshima Transfers
Hiroshima Holidays Hiroshima Flights Hiroshima Hotels Hiroshima Hire Cars Hiroshima Villas Hiroshima Transfers

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Hiroshima Weather by Month
Check the weather for a particular month in Hiroshima by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Hiroshima. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
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