August Rainfall and Precipitation in Japan

Monthly rainfall totals, rainy days and the driest cities across Japan in August.

Japan experiences in August precipitation ranging from a moderate 92 mm (3.6 in) in Choshi to a heavy 291 mm (11 in) in Otari. During August, summer is in full swing.

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Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Japan, check out our Japan's climate page.

See also: the Japan weather by month.

Best Places to Visit in Japan in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Japan.

Conditions Temperatures Precipitation
Monthly precipitation 0 mm (0 in) dry → 150 mm (5.9 in) wet

Marker color shows total monthly precipitation in August: pale blue is dry, deep blue is wet.

Japan precipitation in August: frequently asked questions

How much rainfall does Japan receive in August?

Tokyo often experiences a notable amount of rain in August, with an average of about 116 mm (4.6 in). The city's weather is known to change unexpectedly because of these showers.

How many days does it rain in Japan in August?

On average, Tokyo has about 16 days days of rain in August.

Is August part of the rainy season in Japan?

Not really. August is outside the wettest stretch of the year in Japan.

What is the wettest city in August in Japan?

Based on our records, Otari receives the most rainfall in Japan in August, averaging about 291 mm (11 in).

What is the driest city in August in Japan?

Based on our database, Choshi sees the least rainfall in Japan in August, with around 92 mm (3.6 in) on average.

Interested in more climate information?

We have much more information about the climate in Japan.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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