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Temperature in Japan in August

August in Japan has maximum daytime temperatures ranging from pleasant in Nemuro with 19°C to very high temperatures in Moriguchi with 34°C. Nighttime temperatures generally drop to 25°C in Moriguchi and 16°C in Nemuro. During August, summer is in full swing. 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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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in August in Japan?
  • From a thorough analysis of our records, Moriguchi clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 34°C, and evenings that remain near 25°C.

  • 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 and drops to lows of about 16°C during the night.

  • How much sun does Japan get in August?
  • The city Tokyo usually sees around 177 hours of sunlight, indicating a moderately sunny period.

  • What is the water's temperature in August?
  • The water temperature averages approximately 27°C in Nagasaki this month, an ideal temperature for swimming and cooling off.

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