Japan in July: Heat, Festivals and Mountain Trips

The rainy season ends, summer arrives in earnest, and the best advice is to follow cool mountain air or a festival at dusk.

Published October 18, 2026 at 9:05 PM JST | By Tokyo Paul

Quick answer: July in Japan is hot and humid, especially in cities, with the rainy season ending around mid to late July in much of Honshu. Hokkaido is cooler and has no rainy season. Highlights include Kyoto's Gion Festival, fireworks, Mount Fuji's climbing season and lavender in Hokkaido. Drink water often and plan outdoor activities for mornings and evenings.

The end of the rainy season

Early July is typically still part of tsuyu, the rainy season, which begins in June across much of Japan. Rain can be steady or arrive in heavy downpours, and the air feels damp. The rainy season usually ends in the second half of July in central Japan, though dates vary from year to year. Okinawa's rainy season ends earlier, in June. Hokkaido has no distinct rainy season, so it is a popular escape from the humidity. When the rain stops, summer arrives suddenly.

Temperatures in Tokyo, Osaka and Kyoto can climb above 30 degrees Celsius, with strong sunshine and high humidity. Pack an umbrella for the first half of the month, and light, breathable clothes for the second. The rainy season is not constant rain. Many days have gray skies, drizzle or humid cloud, with occasional dry spells. This is a good time for museums, covered shopping arcades, hot springs and temple visits, where wet stone and moss look especially rich. A quick-dry shirt and a small towel make damp days more comfortable.

Staying safe in the heat

Heat and humidity are the main challenges of a Japanese July. Heatstroke is taken seriously, and the news carries heat warnings. Drink water or sports drinks regularly, even if you do not feel thirsty, and take breaks in shade or air conditioning. Vending machines and convenience stores are everywhere, which makes it easy to stay hydrated.

Plan outdoor sightseeing for early morning or late afternoon. Midday is a good time for museums, department stores, aquariums and cafes. Wear a hat, sunscreen and loose cotton or linen clothing. Carry a small towel to wipe sweat, and consider a portable fan or a cooling spray, which are widely sold. If you feel dizzy or unwell, rest and seek help.

Gion Festival in Kyoto

Kyoto's Gion Festival is one of Japan's most famous festivals, and it takes place throughout July. The month-long celebration includes ritual events, neighborhood displays and large processions of towering floats. The main parades are held in mid July and again in late July, drawing large crowds.

Evenings before the main procession, streets in the central district close to traffic, and lanterns glow outside old merchant houses. Visitors can walk among the floats and sample street food. Dress lightly and wear comfortable shoes. Book accommodation well in advance, because Kyoto is busy during this period. Check the official festival page for the schedule.

Fireworks, Tanabata and summer evenings

Summer fireworks festivals start in July and continue through August. Large events draw crowds to rivers and bays, and the Sumida River fireworks in Tokyo, held at the end of July, are among the best known. Arrive early, bring a small mat if allowed and check transport restrictions on the day.

Tanabata, the Star Festival, falls on July 7 in much of the country. People write wishes on strips of colored paper and hang them on bamboo branches. Some cities, such as Sendai, celebrate it in early August instead. Evening events may include yukata, cotton summer kimono, and street food stalls. Many people wear yukata to festivals, and rental shops make it easy to join.

Mount Fuji and mountain escapes

The official climbing season for Mount Fuji usually starts in early July and runs until early September, depending on the trail. Weather on the summit is cold and changeable, and altitude can affect even fit hikers. Bring warm layers, rain gear, a headlamp and plenty of water, and follow the safety guidance of the local authorities. Other mountain destinations offer cooler air. Kamikochi and the Japanese Alps provide fresh scenery, and Karuizawa and Nikko are popular highland escapes.

Hokkaido's Furano area has lavender fields that bloom in July and draw visitors. Check bloom reports and road conditions. Mountain weather can change quickly, so carry rain protection and take breaks. If climbing is not your plan, you can enjoy views of Mount Fuji from the Five Lakes area, from Hakone or from lakeside paths at its base. Clouds often cover the peak in summer, so early morning offers the best chance of a clear view. Highland trains and ropeways provide cool air without a long walk.

Beaches and school holidays

Beach season begins in July, and coastal areas such as Shonan, Chiba, Izu and Okinawa open for swimming. Sea conditions and beach facilities vary, so follow local guidelines and flag warnings. Jellyfish may appear in late summer, and the beaches are crowded on weekends. School summer holidays begin in late July, and domestic travel increases. Popular resorts, theme parks and trains can be busy from that point. If you plan a beach trip, aim for weekdays and arrive early.

Bring sun protection, water and a small bag for valuables. Be aware of typhoon forecasts, which can affect travel from mid summer. Away from the main beaches, quieter coves and island shores can be better for a relaxed swim. Okinawa's outer islands and parts of the Izu coast have clear water and fewer people on weekdays. Check swimming conditions with local tourist information, and respect marked zones for boats and surfers.

Summer food and planning tips

Cold noodles are a highlight of the Japanese summer. Soba, somen and hiyashi chuka (cold ramen with toppings) are refreshing. Shaved ice, kakigori, comes in many flavors and is a favorite. Watermelon, peaches and other seasonal fruits are sold in markets and department stores. Unagi, or eel, is traditionally eaten on a day in late July known as Doyo no Ushi no Hi, as a way to gain stamina in the heat. Cold barley tea is served nearly everywhere. Beer gardens open on rooftops, and chilled sake is a good companion to grilled foods.

Look for seasonal limited items at convenience stores. Seasonal drinks include iced green tea, barley tea and fruit-flavored sodas in glass bottles. At festivals, stalls sell chilled cucumbers on sticks, a simple and refreshing snack. Department store basements, called depachika, offer chilled desserts and jellies that are beautifully packaged. Trying a few of these gives you an easy introduction to summer flavors without a long restaurant meal. A common mistake is planning too many outdoor activities in the middle of the day.

Build in rest times, and have indoor options ready. Another is underestimating humidity, which can make clothing damp. Bring a spare shirt and use laundry services if needed. Typhoons are possible from July, though they are more common in later summer. Check forecasts and transport updates, and keep flexible plans. Air conditioning in trains and shops can be strong, so a light cover-up is helpful. If you are traveling with children or older relatives, allow extra rest and water breaks.

Frequently Asked Questions

Is July a good time to visit Japan?

It can be, if you enjoy summer festivals, fireworks and mountains. The weather is hot and humid, so plan activities for mornings and evenings. Hokkaido and highland areas are cooler. Mountains and Hokkaido offer cooler air, and evening fireworks add to the summer mood.

When does the rainy season end?

In central Japan, the rainy season usually ends in the second half of July, but the date varies each year. Okinawa's rainy season ends earlier, and Hokkaido has no distinct rainy season. After the rain stops, summer heat tends to arrive quickly across central Japan.

Can you climb Mount Fuji in July?

The climbing season usually opens in early July and runs until early September, depending on the trail. Check official information for exact dates, conditions and safety rules before planning a climb. Bring warm layers, water and a headlamp, as summit weather is cold and changeable.

Keep Exploring

More guides from Tokyo Paul: Japan in August: Obon, Heat and Fireworks, Japan in October: Comfortable Weather and Early Color and Japan in September: Typhoon Season and Early Autumn.