Weather in Japan in May

The weather in Japan in May is a fantastic time to visit as spring evolves into early summer, bringing forth plenty of warm sunshine and lush landscapes adorned with vivid colors. The vivacity and warmth of May make it well suited to those looking for a mix of activity and relaxation. Many outdoor activities abound at this time of year, from hiking in the Japanese Alps to unwinding in Okinawa’s tropical paradise. With the national vacation Golden Week, plus various regional festivals like Kyoto's Aoi Matsuri, if you really want to immerse yourself in Japanese culture, May is a brilliant month to visit.

Japan in May at a glance

During May, the cherry blossoms are replaced by flourishing greenery, making the yards and countryside especially inviting. In early summer, Japan begins to experience a surge of festivals and events that infuse the country with energy.

• In central regions like Tokyo and Osaka, temperatures in May range from 57°F to 77°F (14°C to 25°C), while Hokkaido is cooler at around 50°F to 64°F (10°C to 18°C). The tropical climate in Okinawa means temperatures rise from 75°F to 84°F (24°C to 29°C).
• In May, the warm but fresh weather across the regions is suitable for a diverse selection of activities, from resting on the beach to trekking in the mountains.
• Golden Week attracts many local visitors, making travel and accommodation more expensive, and boosts foot traffic at major attractions. Travel rates stabilize and crowds reduce after this period.

Is May a good time to visit Japan?

The weather in Japan in May provides a temperate climate with blue skies, making it one of the best months for exploring all parts of the country. A fabulous fusion of breathtaking scenery, culture, and a festive mood is showcased across the regions. During Golden Week, a time of national vacations, the nation is filled with lively celebrations.

If you’re looking to have some downtime in between sightseeing, visiting Okinawa’s beaches, or for something more energetic, you can go trekking in the Japanese Alps. Yards and countryside landscapes are at their most vivid in May, which is heightened in iconic spots like Kenrokuen or Arashiyama’s bamboo grove.

Cultural vultures will find that May is also ideal for exploring Japan’s historical attractions in major cities like Tokyo, whereas events like Kyoto’s Aoi Matsuri showcase Japan’s rich traditions. Food lovers will enjoy trying the early summer seasonal produce, such as fresh tea leaves and vegetables.

Average daily temperatures in May

All over Japan, the temperatures warm up in May, but the averages still differ from north to south. Hokkaido’s daily highs are from 59°F to 68°F (15°C to 20°C), while the nighttime lows average 43°F to 50°F (6°C to 10°C), which is ideal for visiting the flower fields and national parks. Highs in central Japan, including Tokyo and Kyoto, range from 68°F to 77°F (20°C to 25°C), with lows between 54°F and 61°F (12°C to 16°C).

Temperatures in the southern regions, including Kyushu, experience highs from 73°F to 81°F (23°C to 27°C), with lows between 59°F and 66°F (15°C to 19°C). Okinawa, meanwhile, sees the first signs of its rainy season, with average highs of about 82°F (28°C) and lows of 72°F (22°C).

What About the crowds and cost in May?

Depending on when you visit Japan in May, you might experience a different balance of activity and calm. The country celebrates a national vacation called Golden Week in the first half of May, which draws an influx of domestic visitors. Because of this increased demand, accommodations and transportation become increasingly scarce and costly, and major attractions are inundated with tourists.

Following on from Golden Week, things quieten down as the crowds subside, and travel costs stabilize. Hence, late May is a better time to visit Japan if you’re on a budget and want to avoid packed attractions.

Things to do in Japan

The weather in Japan in May offers one of the best times to visit. The month arrives with warm and bright days that are perfect for being outdoors and taking in the country’s stunning natural beauty at its peak. Here are some of the best things to do in Japan in January to get the most out of your trip.

Hike in Kamikochi

Kamikochi is a beautiful highland valley in the Japanese Alps that opens for visitors in May. The area is renowned for its snow-capped peaks, crystal-clear rivers, and verdant forests. Trails range from leisurely strolls beside the Azusa River to more challenging treks that culminate in breathtaking views. Exploring Kamikochi is made especially enjoyable by the mild crisp air in May, and the vivid greenery that provides a striking contrast to the snowy mountain tops.

Cruise the Takachiho Gorge

Nestled in Kyushu, Takachiho Gorge is known for its dramatic basalt cliffs and emerald-green river. In May, the gorge is surrounded by fresh spring foliage, creating a picturesque setting. Rent a rowboat for an up-close view of the cascading Manai Falls, or stroll along the walking paths for stunning overlooks. This peaceful natural escape is perfect for immersing yourself in Japan’s pristine wilderness.

Cycle around Lake Biwa

Japan’s largest freshwater lake, Lake Biwa in Shiga Prefecture, offers a scenic cycling route perfect for May’s mild weather. The lake’s circumference is dotted with historical landmarks, charming towns, and beautiful natural scenery. Cyclists can stop at temples, enjoy lakeside picnics, or visit local markets for regional delicacies. The calm waters and vibrant greenery make the ride one you won’t forget.

Explore the Ogasawara Islands

Known as the Galapagos of Japan, the Ogasawara Islands are a tropical paradise with stunning beaches, opportunities for snorkeling, and unique wildlife. May’s favorable climate makes it a wonderful time to visit these remote islands and enjoy their biodiversity, including dolphins and sea turtles.

Festivals and events in Japan in May

As the milder weather takes hold across the country, a growing number of outdoor events and cultural festivals honoring Japan’s heritage and natural beauty take place in the month of May.

• Mifune Matsuri: In Kyoto, traditional boats adorned with decorations sail down the Oi River in Arashiyama, reenacting Heian-period rituals.
• Shibazakura Festival: At the base of Mount Fuji, fields of pink moss (shibazakura) bloom spectacularly. Visitors can enjoy the stunning views of flowers against the iconic mountain backdrop.
• Otaue Rice Planting Festival: In Osaka, Sumiyoshi Taisha Shrine hosts this traditional festival where rice planting ceremonies are accompanied by music and dance.