The weather in August in Osaka

It's hot in August in Osaka with an average temperature of 30°C. Temperatures this month range from a low of 27°C to a high of 32°C. At night, you can expect temperatures between 20°C and 23°C.

Looking for sun? August isn’t a good month to be in Osaka. 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 Osaka, 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 35°C in 2018, Osaka reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 21°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 12°C to a highest value of 25°C.

Rainfall amount

In August, there is an average of 165 mm of precipitation, spread over 19 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in August for Osaka

Click on any day in August to get detailed info about the usual weather on that day in Osaka. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  Osaka New York
Average temperature 30°C 30°C
Max. temperature 32°C 31°C
Min. temperature 20°C -5°C
Total precipitation 165 mm 79 mm
Rainy days 19 days 13 days

Start of August

The month of August starts in Osaka with hot temps, averaging around 32°C during the day and nights around 22°C.

Mid August

By mid-August, daytime temps drop to around 29°C, with nights around 22°C. There’s a high chance of precipitation during this time.

End of August

By the end of August, the average daytime temperature in Osaka is around 29°C, while nighttime temps are about 21°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 Osaka runs from June to November.

Check out the climate of Osaka 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, Hokkaido, or explore other destinations in Japan.

Temperature charts

These charts show the average temperatures in August in Osaka, Japan. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in Osaka

Temperature in August in Osaka over the years

Precipitation charts

These charts show the average amount of precipitation in August in Osaka, 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 Osaka

Total precipitation in August in Osaka over the years

Daily UV index in August in Osaka

This chart shows the average daily UV index in August in Osaka, 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 Osaka

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Average weather in Osaka by month

Click on a month below to see detailed weather info for Osaka. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.