Temperature in Japan in August

Daytime highs, nighttime lows and the warmest cities across Japan this August.

Japan, experiences maximum daytime temperatures in August ranging from 19°C (66°F) in Nemuro to 34°C (93°F) in Moriguchi. Nighttime temperatures generally drop to 25°C (77°F) in Moriguchi and 16°C (61°F) in Nemuro. August is a summer month. On average, August is the warmest month of the year in Japan. So be prepared and pack summer clothes.

What is the temperature of the different cities in Japan in August?

Explore the map below to discover average August temperatures at the top destinations in Japan. For a deeper dive, simply click on any destination dot.

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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
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in August: blue is cold, red is hot.

Japan temperatures in August: frequently asked questions

How hot does it get in Japan in August?

Daytime temperatures in Tokyo typically peak at 32°C (90°F) in August, putting it in the very high range.

How cold does it get at night in Japan in August?

After dark, Tokyo cools to about 25°C (77°F) on an average August night.

What is the warmest city in August in Japan?

According to our recent database analysis, Moriguchi is the warmest city. It experiences an average maximum daytime temperature of approximately 34°C (93°F) and rarely drops below 25°C (77°F) during the night.

What is the coldest city in August in Japan?

According to our data, Nemuro holds the title for the coldest city in Japan in August. It experiences maximum temperatures of approximately 19°C (66°F) and drops to lows of about 16°C (61°F) during the night.

How much sun does Japan get in August?

Tokyo usually sees around 177 hours of sunlight, indicating a moderately sunny period.

What is the water temperature in August?

The water temperature averages approximately 27°C (81°F) in Nagasaki this month, an ideal temperature for swimming and cooling off.

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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