June in Japan brings the enchanting rainy season (tsuyu), transforming the country into a lush wonderland dotted with pastel hydrangeas, known as ajisai in Japanese. While the frequent showers might seem daunting, this is actually one of Japan’s most beautiful and underappreciated months. The rain nourishes spectacular hydrangea blooms, creates misty mountain landscapes and offers a more intimate, contemplative side of Japan. Plus, there are fewer tourists braving the wet weather. 

Here’s everything you need to know to make the most of Japan in June.

woman with umbrella

June Travel Overview

A few defining features of Japan in June:

  • Hydrangeas bloom spectacularly throughout the country, creating stunning purple, blue and pink displays across temples, parks and mountainsides from early June through mid-July.
  • It’s a major month for festivals. Sanno Matsuri returns to Tokyo (even years only), Tokyo Rainbow Pride fills Shibuya and hydrangea and iris festivals run at temples and gardens nationwide.
  • Firefly season peaks: Across the country, parks and rivers come alive at dusk with thousands of fireflies — a brief, magical window most travelers never get to see.
  • Crowds and prices both drop significantly. Hotels offer rainy-season discounts, popular attractions feel calm and walkable and even normally booked-solid restaurants in Kyoto and Tokyo may open up.
  • Tokyo’s beer gardens open. Rooftop and terrace beer gardens — a Japanese summer institution — typically begin their seasonal run in early June.
  • The rainy season creates dramatic, misty landscapes perfect for photography, particularly for moss gardens, forests and traditional gardens.
  • Two regions skip rainy season entirely. Hokkaido has no real tsuyu, and Okinawa’s rainy season ends by mid-to-late June — both offer rain-free June alternatives for travelers who want the season’s benefits without the showers.

rainy season japan regions

Japan Weather in June 2026

June marks the start of tsuyu, Japan’s rainy season, which typically runs from early June through mid-July across most of the country. The rainfall is rarely the dramatic downpour many travelers may picture — more often, it’s persistent light-to-moderate rain interrupted by surprisingly long sunny stretches, with high humidity throughout. Here’s what to expect across Japan during June.

Central Japan (Tokyo, Kyoto, Osaka)

  • Average daytime temperatures range from 22–28°C (72–82°F)
  • Daily rainfall averages around 31 mm
  • Humidity is the defining feature — expect 70–85% on rainy days
  • It rains roughly 12–15 days of the month, but typically not all-day downpours

Northern Japan (Hokkaido, Tohoku Region)

  • Cooler and significantly drier than the rest of the country
  • Hokkaido in particular has no real rainy season — daytime highs around 18–22°C with mostly sunny skies
  • More on this in the “Where to Avoid the Rain” section below

Southern Japan (Okinawa, Kyushu Region)

  • Okinawa enters rainy season earlier (early May) and exits earlier (mid-to-late June)
  • By late June, Okinawa is typically sunny, hot and beach-ready while the rest of Japan is still in tsuyu
  • Kyushu remains in rainy season, with heavier rainfall than Tokyo

woman with hydrangeas

Popular Activities and Things To Do in June

Marvel at Hydrangea Displays

June is hydrangea season in Japan, when millions of these stunning flowers bloom across temples, parks and mountainsides. The most spectacular displays can be found at Meigetsuin Temple in Kamakura, where thousands of blue and violet hydrangeas create an otherworldly atmosphere. Hakone’s various gardens and the famous Hasedera Temple also offer breathtaking hydrangea viewing opportunities.

For more off-the-beaten-path options, Shimoda Park in Shizuoka Prefecture offers Japan’s largest hydrangea display with more than 150,000 shrubs against the scenic ocean view of Shimoda Port. Kenei Gongendo Park in Saitama (also famous for its spider lily displays in autumn) displays 10,000 hydrangeas that stretch along the plains like a carpet. 

Hanachozu

Hanachozu diaplay at a temple’s washbasin

Many temples host special hydrangea festivals with extended viewing hours and hanachozu, a special display of seasonal flowers in the water basins for purification before entering the shrine.

fireplies in temple

Experience Firefly Season

Parks and rivers across the country come alive with thousands of twinkling fireflies, creating an almost supernatural atmosphere. Popular firefly (hotaru) viewing spots include Izumiya Park in Chiba, Nagusa Firefly Village in Ashikaga and Manyo Park in Yugawara. 

Tokyo Pride

Celebrate Pride Month in Tokyo

June marks Pride Month in Japan, with Tokyo Rainbow Pride being the country’s largest LGBTQ+ celebration. The festival typically features a colorful parade through Shibuya and Harajuku, along with music performances, food stalls and cultural events in Yoyogi Park. It’s a vibrant celebration of diversity and inclusion that adds an extra layer of excitement to Tokyo in June.

Nezu Museum

Enjoy Indoor Cultural Experiences

The rainy weather makes June perfect for exploring Japan’s incredible indoor attractions. Visit world-class museums like the Tokyo National Museum, the stunning Nezu Museum with its covered garden walkways, or the interactive teamLab Borderless museum. Traditional activities such as tea ceremony classes, pottery workshops and cooking classes become especially appealing during rainy afternoons.

Enoshima Hydrangea Enoden

Kamakura, Kanagawa Prefecture

Top Japan Destinations To Visit in June

Kamakura, Kanagawa Prefecture

Just an hour from Tokyo, Kamakura transforms into a hydrangea paradise in June. The ancient capital’s numerous temples are surrounded by blooming flowers, while the coastal location provides refreshing sea breezes. The famous Enoshima Electric Railway — also affectionately known as Enoden — offers scenic rides along hydrangea-lined tracks.

Iya Valley

Iya Valley, Tokushima Prefecture

Deep in Shikoku’s mountains, the Iya Valley offers one of Japan’s most remote and dramatic landscapes. Ancient vine bridges span misty gorges, while traditional thatched-roof farmhouses provide authentic accommodation. The valley’s pristine rivers come alive with fireflies in June, and the dramatic cliff-side hot springs offer spectacular views enhanced by mist and waterfalls.

Hakone

The Hakone Open Air Museum

Hakone, Kanagawa Prefecture

The mountain resort town of Hakone embraces the rainy season with spectacular hydrangea displays and misty lake views. The Hakone Open-Air Museum features both indoor and covered outdoor exhibits, while the various hot spring resorts provide visitors with the perfect opportunity to relax on a rainy day. The scenic railway journey to Hakone is especially beautiful when mist clings to the mountainsides.

Sado Island

Sado Island, Niigata Prefecture

On this remote island in the Sea of Japan you can enjoy cultural experiences such as tub-boat rides along the scenic coast, which call to mind a similar scene with Chihiro and No-Face in Spirited Away. Former gold mining areas create dramatic landscapes enhanced by June’s atmospheric conditions, while Rengebuji Temple — a historic temple founded by Buddhist monk Kukai — boasts magnificent hydrangea displays. The island’s pristine nature reserves come alive with fireflies and rare bird species.

Kenrokuen Garden Kanazawa

Kenrokuen Garden in Kanazawa

Kanazawa, Ishikawa Prefecture

Often called “Little Kyoto,” Kanazawa shines during the rainy season. The famous Kenrokuen Garden is beautiful whatever the weather, with covered viewing pavilions and rain-enhanced landscapes. The city’s well-preserved samurai and geisha districts offer covered shopping arcades and traditional craft workshops that are perfect for rainy days.

Goto Island

Goto Islands, Nagasaki Prefecture

These remote Catholic islands offer dramatic coastal scenery with medieval churches and pristine beaches. The combination of Japanese and Portuguese cultural influences creates a unique atmosphere, while the island’s remote hot springs provide therapeutic experiences with ocean views.

Where To Avoid the Rain

Tsuyu doesn’t cover all of Japan equally. For travelers who want June’s mild temperatures and lighter tourist crowds without the rain, two regions stand out — one at each end of the country.

farm tomita hokkaido july

farm tomita

Hokkaido: Japan’s Driest June Destination

Japan’s northernmost main island sits above the rainy-season band, which means June in Hokkaido is genuinely dry, mild and outdoor-friendly while the rest of the country is in tsuyu. Average daytime temperatures hover around 18–22°C (64–72°F), with cool, comfortable evenings and far less humidity than the Tokyo-to-Kyoto corridor. It’s also the only time of year when Hokkaido’s wildflower fields begin to bloom in earnest — particularly in Furano and Biei, where lavender season starts in late June, and across the Daisetsuzan National Park alpine landscapes.

Notable June destinations in Hokkaido include:

  • Hakodate, with its harbor walks, the night view from Mt. Hakodate (often clearer in June than in humid summer months) and easy access to nearby onsen towns Furano and Biei, where the flower-farm season begins — lavender peaks in mid-July, but by late June the fields are well into their stride
  • Sapporo, more comfortable in June than in the snowbound winter or muggy summer, and home to the Yosakoi Soran Festival in early June (a major dance festival drawing thousands of performers)
  • Otaru, with its preserved canal-town atmosphere and walkable scale Daisetsuzan National Park for hiking, before the busiest summer trail season

Okinawa: When Rainy Season Ends Early

Okinawa runs on a different climate calendar from the rest of Japan. The rainy season starts in early May (a month before mainland tsuyu) and ends in mid-to-late June — meaning the last week or two of June is typically sunny, hot, and squarely in beach weather. This is one of the only periods in the year when you can hit Okinawa before the peak-summer crowds and prices arrive.

The early days of June can still see significant rain in Okinawa, including occasional heavy tropical downpours. The trade-off is that by late June the rain has lifted, water visibility around the Kerama Islands is exceptional for snorkeling and diving and the resorts haven’t yet hit their July–August peak rates.

Notable June destinations in Okinawa include:

  • Naha for a balance of beach, food, and culture
  • Ishigaki and the Yaeyama Islands, for some of Japan’s clearest waters and quieter beaches
  • The Kerama Islands, particularly Zamami and Tokashiki, for day-trip-friendly snorkeling and diving
  • Miyako Island, with arguably Japan’s most photogenic beaches

A practical note: if booking Okinawa in early June, be prepared to be flexible. The rain hasn’t fully cleared yet, and tropical downpours can shut down ferries and boat tours on short notice, especially to the Kerama islands. Late June is much more reliable.

Other Drier Options

If the full trip to Hokkaido or Okinawa isn’t possible, a few smaller pockets within mainland Japan also see less rain in June than the Tokyo-Kyoto-Osaka corridor:

  • The Sea of Japan coast (parts of Niigata, Toyama) sees less concentrated rainfall than the Pacific coast
  • Nagano’s highland areas (Karuizawa, Norikura) stay cooler and somewhat drier
  • Eastern Hokkaido (Kushiro, the Shiretoko Peninsula) is even drier than central Hokkaido

Travel Tips and Recommendations

kid in raincoat

Pack for Rain and Humidity

Bring lightweight, quick-dry clothing, a quality rain jacket and waterproof shoes. A compact umbrella is essential to avoid getting caught in the sporadic rain.

shibuya umbrellas

Embrace the Weather

Don’t let rain deter you — many of Japan’s most beautiful sights are enhanced by mist and moisture. Covered shopping arcades, department stores and indoor attractions also provide plenty of options. 

frog on hydrangea

Check Hydrangea Bloom Reports

Like cherry blossoms, hydrangea timing varies by location and year. Check local bloom reports to time your visits perfectly.

Ayu sweetfish

Sweetfish (Ayu) skewers

Try Seasonal Specialities

June offers culinary delights including fresh ayu (sweetfish), seasonal vegetables like bamboo shoots and early summer fruits like melons and plums, as well as special hydrangea-themed sweets at temples and cafés. 

Take Advantage of Lower Prices

Many hotels and attractions offer reduced rates during the rainy season, making June an excellent time for budget-conscious travelers to experience luxury hotels and popular destinations. 

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