Japan in July: Weather, Crowds & What to Expect
Climate Map for July
Average temperature across Japan in July.
City Weather in July
| City | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Yokohama | 28° | 22° | 158 mm | very high | Warm |
| Nagoya | 30° | 23° | 278 mm | very high | Warm |
| Sapporo | 25° | 17° | 107 mm | high | Mild |
| Fukuoka | 30° | 24° | 274 mm | very high | Hot |
| Kawasaki | 29° | 22° | 159 mm | very high | Warm |
| Kobe | 30° | 23° | 156 mm | very high | Warm |
| Saitama | 29° | 22° | 159 mm | very high | Warm |
High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.
Hokkaido (Sapporo, Niseko, Furano, Asahikawa)
July delivers pleasantly warm temperatures without the intense humidity of Honshu; Sapporo’s summer festivals draw local crowds but not the crush of mainland cities. Alpine hikes in Daisetsuzan and Shiretoko are at their best-be prepared for mosquitos and sudden changes of weather at altitude. Mountain refuges open, and long daylight gives flexible itineraries for photographers.
Tohoku & the Sea-of-Japan Coast (Aomori, Akita, Sendai, Niigata, Kanazawa)
July tends to be warm and humid in the southern Tohoku lowlands while coastal breezes moderate temperatures. Aomori’s Nebuta Festival (August actually) is approached as towns prepare; agricultural landscapes bloom, and hiking opens higher up. Travelers should watch forecasts for localized heavy rain and occasional cool “yamase” northeasterlies that can bring surprising chill and drizzle.
Tokyo & the Kanto Plain (Tokyo, Yokohama, Kamakura, Mt. Fuji approaches)
July becomes hot and oppressively humid by mid-month with frequent late-afternoon thunderstorms; daytime temperatures often exceed 30°C. Summer festivals like the Sumida River fireworks draw huge crowds; pack breathable clothing and stay hydrated. Climbing Mt. Fuji is not recommended outside the official July-early September window or during sudden summer storms.
Central Alps & Japanese Alps (Nagano, Matsumoto, Takayama, Kamikochi, Mt. Fuji approaches)
July is the official climbing season for Mt. Fuji (early July-early September) and high-alpine hiking becomes reliably accessible as snow recedes. Mountain huts are open and trails are crowded on weekends; bring sun protection and cold layers for next-to-snow nights. The Japanese Alps are prime summer trekking country with crystal streams and full-service lodges.
Kansai & the Seto Inland Sea (Kyoto, Osaka, Nara, Hiroshima, Okayama, Takamatsu)
July heats up quickly with muggy days and frequent thunderstorms in the afternoons; festival season hits full stride with Gion Matsuri in Kyoto. Osaka’s nightlife and street-food culture offer cooling late-night options, but mid-day sightseeing may be uncomfortable. Hydration and sun protection are essential, and watch for sudden torrential rain.
Kyushu & Okinawa (Fukuoka, Nagasaki, Kumamoto, Kagoshima, Yakushima, Okinawa main and outlying islands)
July sees a hot, humid environment across Kyushu with strong sun and sudden thunderstorms; beach season peaks and mountain areas are intensely green. Okinawa’s subtropical summer is hot and humid; typhoons begin to be a possibility heading into August. Obon travel in mid-August can create domestic congestion, so reserve lodging ahead of time.