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JapanThe weather in August in Hiroshima
It's hot in August in Hiroshima with an average temperature of 33°C. Temperatures this month range from a low of 31°C to a high of 35°C. At night, you can expect temperatures between 25°C and 28°C.
Looking for sun? August isn’t a good month to be in Hiroshima. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Hiroshima, Japan. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 38°C in 2021, Hiroshima reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 24°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 30°C.
Rainfall amount
In August, there is an average of 199 mm of precipitation, spread over 19 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in August for Hiroshima
Click on any day in August to get detailed info about the usual weather on that day in Hiroshima. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Hiroshima | New York | |
|---|---|---|
| Average temperature | 33°C | 30°C |
| Max. temperature | 35°C | 31°C |
| Min. temperature | 25°C | -5°C |
| Total precipitation | 199 mm | 79 mm |
| Rainy days | 19 days | 13 days |
Start of August
The month of August starts in Hiroshima with hot temps, averaging around 34°C during the day and nights around 28°C.
Mid August
By mid-August, daytime temps drop to around 33°C, with nights around 26°C. There’s a high chance of precipitation during this time.
End of August
By the end of August, the average daytime temperature in Hiroshima is around 32°C, while nighttime temps are about 26°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The typhoon season in Hiroshima runs from June to November.
Check out the climate of Hiroshima for all months and discover the best travel time
Curious about the weather in other parts of Japan? Check out the climate and weather for spots like Tokyo, Kyōto, Osaka, or explore other destinations in Japan.
Temperature charts
These charts show the average temperatures in August in Hiroshima, Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Hiroshima
Temperature in August in Hiroshima over the years
Precipitation charts
These charts show the average amount of precipitation in August in Hiroshima, Japan. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Hiroshima
Total precipitation in August in Hiroshima over the years
Daily UV index in August in Hiroshima
This chart shows the average daily UV index in August in Hiroshima, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Hiroshima
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Average weather in Hiroshima by month
Click on a month below to see detailed weather info for Hiroshima. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.