Japan temperatures in August

Japan in August has maximum daytime temperatures ranging from pleasant in Nemuro with 19°C (65°F) to very high temperatures in Ako with 32°C (90°F). Nighttime temperatures generally drop to 24°C (75°F) in Ako and 17°C (62°F) in Nemuro. August is a summer month in Japan. On average, it is one of the warmest months of the year.

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

Find the average daytime temperatures in August for the most popular destinations in Japan on the map below. Click on a destination dot for more detailed information.

Map not visible? Whoops sorry! Please refresh the page.
Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30ºC (86ºF). Warm: 22ºC (72ºF) to 30ºC (86ºF). Pleasant: 18ºC (64ºF) to 22ºC (72ºF) Moderate: 12ºC (54ºF) to 18ºC (64ºF). Cold: 2ºC (36ºF) to 12ºC (54ºF). Very cold: lower than 2ºC (36ºF)

  • What is the warmest city in August in Japan?
  • Ako tops the warmest city list in our database with average maximum daytime temperatures around 32°C (90°F) and a minimum nighttime temperature of around 24°C (75°F).

  • What is the coldest city in August in Japan?
  • The coldest city in August in Japan is Nemuro when we check our database. The maximum daytime temperatures are around 19°C (65°F) and minimum nighttime temperatures fall around 17°C (62°F).

  • How much sun does Japan get in August?
  • August is generally a moderate sunny month with an average of 177 hours of sunshine in Tokyo during the whole month.

  • How warm is the water 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. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      
  • 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 climate conditions. Find out where to go with our weather planner.