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August Weather in Japan and Travel Tips

August Weather in Japan and Travel Tips

By Albee NingUpdated Nov. 11, 2022

The weather in Japan in August is generally hot and very humid. Average temperatures ranges 18—31ºC (64–88°F), with a hot climate in the central and southern prefectures. The average rainfall is high at 182 mm (7 inches) and there are occasional typhoons.

As August is a peak travel season with schools being closed for the summer holidays, it's best to book your tour well in advance and make reservations for your stay.

What's New about Visiting Japan in 2022/2023? 

Japan has restored the visa-waiver system from October 11th, 2022. If your country is in the list of Exemption of Japan Visa like Australia, Canada, USA, UK and almost all European nations, you can visit Japan without applying for a visa in advance. 

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August Weather Quick Facts

  • The weather in August is hot and humid, with occasional typhoons.
  • Average daily temperatures range 18–31°C (64–88°F).
  • Japan receives an average rainfall of 182 mm (7 inches) in August.
  • Summer clothing should consist of t-shirts, shorts, and slippers/floaters.

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Why You Should Visit Japan in August

August is hot and humid, but there are many good reasons to visit Japan in this month. You can view the impressive fireworks throughout Japan, enjoy the traditional Obon Festival, see flowers in full bloom in Hokkaido, and enjoy a relaxing beach holiday in Okinawa.

august average temperature
august average rainfall

Hokkaido Weather and Travel in August

The weather in Hokkaido is pleasant owing to its high altitude and an average temperature of 22°C (72°F). The maximum temperature is 26°C (79°F) and the minimum is 18°C (64°F). In August, Hokkaido receives heavy rainfall (156 mm / 6 inches), with about 16 days of rain in the month. We recommend that you carry a raincoat and umbrella during your visit.

August is one of the best times for traveling to Hokkaido, with flowers in full bloom. Visit the Engaru Sun Hills Park Cosmos Fields, Hokuryu Sunflower Fields, and Hillside Flower Garden Shikisai-no-Oka. August is also one of the best times for outdoor activities, such as horse-riding and canoeing, and for watching the wildlife in Shiretoko National Park.

Honshu Weather and Travel in August

August is the hottest month in Honshu, with an average temperature of 27°C (80°F). The temperature ranges between 23°C (73°F) and 31°C (88°F), and the highest temperature can go up to 35°C (95°F). The average precipitation is moderate with 147 mm (6 inches), and it's rainy mostly in the afternoons. It is better to do the sightseeing in the morning or during the late afternoon to avoid the heat and rain.

August records the highest number of tourists every year in Tokyo, Kyoto, and Osaka, who throng the cities for cultural sightseeing and festivals, such as the firework displays and Obon Festival. August is also a good time for mountain climbing expeditions for those seeking to explore the beauty of Mount Fuji and the Japanese Alps.

Mount FujiMount Fuji

Kamikochi is a popular resort in the Nagano prefecture from where you can explore the Northern Japanese Alps. You can enjoy the fresh and cool mountain scenery in this resort. The hiking route remains open to visitors from April to mid-November. The most popular hiking trails begin at Taisho Pond and end at Myojin Bridge, and can be completed within a day.

Okinawa Weather and Travel in August

Okinawa is hot and wet in August. The temperature ranges from 29°C (84°F) to 31°C (88°F). It rains for around 18 days in the month, with precipitation of 244 mm (10 inches).

Despite the hot weather, Okinawa is a popular destination for the summer holidays. Apart from the scenic beach and favorable conditions for snorkeling and diving, there are also many world-class resorts in Okinawa that attract millions of people. Given below are some of the resorts we recommend for you.

  • Club Med Kabira Ishigaki is an all-inclusive family resort that is perfect for a family vacation.
  • The Uza Terrace Beach Club Villas offer private bungalows that are suitable for couples.
  • Hyakuna Garan with luxury Japanese-style rooms offer great ocean views.

Since it is the peak season in August, make sure to book your tour at least three months in advance.

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Tokyo Weather and Travel in August

The maximum temperature is 31°C (88°F) and the minimum temperature is 23°C (73°F), making August the warmest month in Tokyo. It receives moderate rainfall in this month at 113 mm (4 inches). August has the highest UV index of 10. Make sure you pack UV protection creams and lotions before you travel.

August is a good time to visit Tokyo DisneySea, a fascinating theme park where you can explore the myths and legends of the sea. There are seven themed ports of call: Mediterranean Harbor, Mysterious Island, Mermaid Lagoon, Arabian Coast, Lost River Delta, Port Discovery, and American Waterfront. You can also meet classic Disney characters such as Aladdin, Ariel, Mickey Mouse, Minnie Mouse, and Donald Duck.

Open from 8:00 a.m. to 10.00 p.m., admission to the park ends one hour before closing time. If you plan to travel during the summer holidays, make sure you book your tickets in advance.

Odaiba is a fun destination, especially for family groups, with a wide selection of entertainment options. You can immerse yourself at teamLab Borderless, enjoy the spectacular scenery from Fuji TV Building, take the Ferris wheel to get a view of Tokyo Bay and Odaiba, and experience science and technology at the National Museum of Emerging Science and Innovation.

Clothing: summer clothes such as a t-shirts, shorts, skirts, and comfortable slippers.

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Osaka Weather and Travel in August

Osaka is hottest and sunniest in August with 217 daylight hours throughout the month. The average minimum temperature is 25°C (84°F) while the average maximum is 33°C (91°F). It rains mostly in the afternoons, with the amount of rainfall being high at 91 mm (3 inches).

Universal Studios Japan is a cool place to visit in August. It is a theme park with world-class family entertainment for all ages. Most of the rides and attractions are based on popular movie franchises, such as Harry Potter and Jurassic Park. You will also get a chance to take photos with popular characters, such as Snoopy, Hello Kitty, and the Muppets.

To avoid long waiting lines, book an Express Pass in advance, try to arrive early, and avoid weekends.

August is a great time to visit cool mountainous areas. Mount Koya, or Koyasan, is a wooded area that is an important center for the Shingon school of Buddhism. There are more than 100 temples and monasteries in this region. Mount Koya can be covered in a day, but if you have more time on hand, you can stay a night at a shukubo (temple lodging), which will give you a chance to enjoy a more serene Koyasan and witness a monk's lifestyle, such as their vegetarianism, morning prayers, etc.

Clothing: light summer clothing, like shorts and t-shirts, is recommended.

Kyoto Weather and Travel in August

August in Kyoto is hot, humid, and sunny. It has an average maximum temperature of 33°C (92°F) and an average minimum temperature of 24°C (75°F). During August, it rains for nine days with 132 mm (5 inches) of precipitation. The month of August receives 186 hours of daylight.

Nara deerNara deer

The Arashiyama district is a good place to escape the heat in August. You can enjoy a relaxing walk through the bamboo grove, have tea at Okochi Sanso Villa, board a Hozugawa river boat, which passes through the forested mountainsides, or watch the traditional practice of cormorant fishing, which is done only in summers after sunset.

Nara is a very popular half-day trip from Kyoto. There, you can see the famous Daibutsu (Great Buddha) at Todai-ji Temple, the wooden Horyuji Temple, and Nara-Koen Park, which is famous for its semi-wild sika deer.

Clothing: t-shirts, cotton shirts, shorts, an umbrella or a raincoat.

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Hiroshima Weather and Travel in August

Hiroshima has tropical weather in August, with an average maximum temperature of 32°C (90°F) and an average minimum temperature of 25°C (77°F). The month experiences 14 days of rainfall with 143 mm (5½ inches) of precipitation, which is a marked decrease compared to adjacent months. August is Hiroshima's joint most sunny month with 210 hours in total on average — 7 hours/day. It is better to do indoor sightseeing in the hot and sunny summer.

When traveling to Hiroshima in August, it is a good idea to explore Shukkeien Garden, which is the city's best example of a Japanese garden. You can see the traditional aesthetic features of Japanese gardens and culture, such as tea ceremonies. Drinking cool tea amidst beautiful surroundings will relax you during the hot summer.

The Mazda Museum was founded by the Mazda Motor Corporation to show Mazda's progress (and car industry history) through the years. You can see how the cars are assembled and take photos of the historical cars on display, along with their current lineup of cars in their showroom.

Clothing: summer clothing with breathable fabric, such as short-sleeved shirts, dresses, and shorts with slippers/floaters.

Sapporo Weather and Travel in August

August is the hottest month in Sapporo with an average temperature of 23°C (73°F). The average maximum temperature is 26°C (79°F), and the average minimum temperature is 19°C (66°F). Sapporo receives rainfall for around 19 days in August, with 124 mm (5 inches) of precipitation.

August is the best time to visit Sapporo Odori Beer Garden, one of the largest beer gardens in Japan with about 13,000 seats. Sit back and relax with a mug of beer and some snacks. The garden hosts the famous Sapporo Summer Festival, which takes place in July–August. The park gets very crowded around 4:00 p.m., so it is recommended you arrive in the early afternoon to get a better seat.

Otaru is a nearby small city, connected by train. It is wise to do a day trip to this old trade and fishing port from Sapporo. You can walk down to the beautiful Otaru Canal, try the local food at Sakaimachi Dori shopping street, taste the Japanese whiskey at Nikka Whisky Yoichi Distillery, and visit Herring Mansion to learn more about the fishing history of Otaru.

Clothing: t-shirts, shorts, or skirts

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Events and Festivals in August

Any summer visit to Japan without participating in festivals would be incomplete. Summer festivals in Japan are a spectacular and fun experience. Here are some popular events you can attend when in Japan.

Fireworks Displays

Hanabi (fireworks displays) has a long history in Japan, with colorful and impressive fireworks being an important part of Japanese summers. August is the peak time for fireworks displays. Here are some famous fireworks displays that take place in August.

  • Omagari National Fireworks Competition (happens annually on the fourth Saturday in August, from 5:15 p.m. along the Marukogawa River)
  • Nagaoka Fireworks (happens on 2 and 3 August from 7:20 p.m. to 9:10 p.m. along the Shinano River)
  • Miyajima Fireworks (happens in late August at Itsukushima Shrine)
  • Edogawa Fireworks Festival Tokyo (happens on 3 August along the Edogawa River)
  • Naniwa Yodogawa Fireworks Festival Osaka (happens on the first Saturday of August along the Yodogawa River)

Obon Festival

Obon is a Japanese Buddhist custom that has been celebrated for over 500 years. Obon lasts for three days from 13–15 August, and is practiced to honor the spirits of ancestors.

During this festival, families hang lanterns outside their houses and beside graves to call ancestors' spirits back home. A variety of food is offered to the souls of the departed. During the festival, the traditional Bon Odori dance is performed in parks, temples, and other public places around Japan.

Sapporo Summer Festival

Sapporo Summer Festival lasts for a month, starting from the middle of July. It is a time when the locals, as well as tourists, enjoy various traditional events and fireworks.

A beer feast is held at the Sapporo Odori Beer Garden, the Tanuki Festival is organized with Hokkai Bon Odori dance performances at Tanukikoji shopping street, and the Susukino Festival is held, which features the famous boat festival, Bon Odori dance, fireworks display, and firefly hunting.

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