Things to Do in Tokyo in August 2026

The rundown of the best events in Tokyo this August

By Metropolis • July 31, 2026

Idol Overload at Tokyo Idol Festival 2026

July 31 – August 2

The world’s largest idol festival kicks off Tokyo’s summer, spilling from the final day of July into the first weekend of August across Odaiba’s waterfront. Hundreds of idol groups take over multiple stages from morning until night, powered by a famously devoted fan culture and enough energy to light up the bay. Even if J-pop idols aren’t usually your scene, the sheer scale of TIF makes it a spectacle worth catching at least once.

When: July 31 – August 2
Where: Odaiba (Aomi & Zepp DiverCity area)
Price: Day and multi-day passes (varies)
Website: idolfes.com

Watch Meiji Jingu Gaien Fireworks & Concert

August 8

One of central Tokyo’s marquee summer nights pairs a live-music program with a spectacular fireworks finale, staged across Jingu Stadium and the neighboring Chichibunomiya Rugby Stadium. Unlike the city’s free riverside displays, this one is ticketed and seated, so you’re guaranteed a spot — book ahead.

As the acts wrap up, around 10,000 fireworks blast off in colorful bursts over the Gaien. This year’s stadium lineup features Shonan no Kaze, ≒JOY, nobodyknows+ and enka star Ken Matsudaira, with T.N.T. over at the rugby stadium and more names still being added.

When: Saturday, August 8 (rain date Aug 9); fireworks ~7:30pm – 8:30pm
Where: Jingu Stadium & Chichibunomiya Rugby Stadium, Shinjuku-ku
Price: Reserved seats ¥7,000 – ¥15,000

Dive into the Fukagawa Festival

August 12 – 16 (grand parade August 15)

Credit: Edomura no Tokuzo on Wikimedia Commons

Mark this one in red: 2026 is the hon-matsuri, the full-scale main festival that comes around only once every three years. More than 50 mikoshi (portable shrines) parade through the streets of Fukagawa while spectators hurl buckets and hoses of purifying water over the sweating carriers — earning it the nickname “Tokyo’s wettest festival.” Since 1642, the thud of taiko and the chants of the bearers have echoed through Koto-ku’s narrow alleys. The main procession runs on August 15; stake out the Saga 1-chome intersection, where water is blasted from the back of a truck as each shrine passes. Come dressed to get drenched.

When: August 12 – 16 (main parade August 15, mid-afternoon)
Where: Tomioka Hachiman-gu Shrine, Koto-ku
Price: Free

Summer Sonic 2026

August 14 – 16

One of Japan’s biggest music festivals turns 25 in style, expanding to a rare three-day run for its silver anniversary. The 2026 bill is stacked: The Strokes, JENNIE, FKA twigs, LE SSERAFIM, MGK and BINI headline alongside homegrown giants BUMP OF CHICKEN and MAN WITH A MISSION, with dozens more spread across the stadium and indoor stages. Split between the open-air ZOZO Marine Stadium and the air-conditioned halls of Makuhari Messe, it’s the definitive Tokyo festival experience — and the anniversary edition is shaping up to be the biggest yet.

When: August 14 – 16 (gates 9am, music from 11am)
Where: ZOZO Marine Stadium & Makuhari Messe, Chiba
Price: Single-day and multi-day passes (varies)

Fan-Comic Frenzy at Summer Comiket (C108)

August 15 – 16

The world’s largest fan-comic convention returns to Tokyo Big Sight for its summer edition. Hundreds of thousands of attendees descend on Ariake to buy doujinshi (self-published comics), Comiket-exclusive merchandise and original art straight from the creators, while the cosplay areas become a photo spectacle of their own. It’s hot, it’s crowded and it’s utterly unique — arrive early, stay hydrated, and sort out a wristband in advance.

When: August 15 – 16
Where: Tokyo Big Sight, Ariake, Koto-ku
Price: Wristband ticket required
Website: comiket.co.jp

Kabukicho Bon Odori Festival

Mid-August (2026 date TBC)

Right in the neon heart of Shinjuku, this open-air bon odori mixes traditional folk-dance standards with modern pop numbers, and anyone can jump into the circle. A lively taiko performance from Tokyo Otome Taiko anchors the night. It’s one of the most accessible and welcoming festivals on the calendar — no yukata required, though plenty of people wear one. The organizers usually confirm the exact date in mid-summer, so check the Shinjuku tourism association’s page closer to the time.

When: Dancing from around 6pm
Where: Cine City Square, Kabukicho, Shinjuku-ku
Price: Free
Website: kanko-shinjuku.jp

Geek Out at One Piece Day 2026

August 22 – August 23

One Piece Day ’26 sails into Makuhari Messe over August 22 and 23 — note the new venue, moving from Tokyo Big Sight. Expect exclusive merchandise, immersive exhibits, stage shows and games, plus the results of the global popularity poll and reveals of upcoming One Piece projects. Tickets are allocated by advance application, so check the official site early if you’re hoping to climb aboard.

When: August 22 – 23
Where: Makuhari Messe, Chiba
Price: Ticketed (advance application)
Website: onepiece-day.onepiece-base.com

Koenji Awa‑Odori Dance Festival

August 29 – August 30

August closes with Tokyo’s greatest dance party. For its 67th edition, around 10,000 dancers in yukata and straw amigasa hats parade through the streets of Koenji in tightly choreographed ren (troupes), driven by shamisen, flutes and relentless taiko. The atmosphere is electric, the street food is excellent, and the whole neighborhood turns out — a perfect send-off to a packed summer month.

When: August 29 – 30, roughly 5pm – 8pm
Where: Streets around JR Koenji Station, Suginami-ku
Price: Free

Check out our events page for more things to do in Tokyo!