Nagano Weather in July

Season: Midsummer
In Brief: A Little Hot & Very Humid; Rainy Reason; Summer Resort

In July, Nagano ushers in its midsummer rainy season, characterized by moderate humidity and cooler temperatures compared to cities like Tokyo. High-elevation spots like mountains and plateaus provide a refreshing escape with cool weather and crisp post-rain air, drawing tourists seeking a summer retreat.

Nagano in July

Temperature

Avg. Temperature Range: 18~27℃/65~81℉

Early mornings and nights in downtown Nagano are cool and ideal for outdoor activities, but noon temperatures can reach 34–36°C (93–97°F) for half the month. Fortunately, downhill winds and dense forests help keep the heat bearable. In the mountains and plateaus, morning temperatures remain mildly cool, especially after rain.

Precipitation

Rainfall: 134 mm

Avg. Rainy Days: 13

During this rainy season, downtown Nagano sees 7 to 10 moderate rainy days, while mountains experience frequent moderate to heavy showers for at least half the month, shrouding peaks in mist and bringing coolness and humidity.

Sunrise & Sunset

In July, Nagano boasts about 14 to 14.5 daylight hours, with sunrise from 4:32~4:52 and sunset from 18:54~19:09, ideal for outings. 

Packing List

Upper Body

Short T-shirts and sunscreen jackets are the most used in July. Bring thick outerwear for the early morning cold in Nagano’s mountains.

Bottoms

Opt for light pants, short or long, and a thick long pair at high elevations; skirts aren't advisable due to strong winds.

Shoes

Bring 2~3 pairs of casual shoes or sports shoes for comfortable walking.

Accessories

For accessories, sun protection like sun hats and suncream, and mosquito repellent are essential. A bear bell or similar sound from a music app ensures safety in bear-inhabited areas.

Rain Gear

Umbrellas, rain boots, and especially raincoats at high elevations are crucial, as umbrellas can break easily in gusty winds.

Top Nagano Attractions to Visit in July

Togakushi Shrine

Togakushi Shrine in July

On a sunny day, visit Togakushi Shrine to experience the power of Japan's Shinto gods amidst towering, centuries-old cedar trees shading the July sunlight. Just beside Okusha Shrine, you'll find Sazare Waterfall, a magical spot said to grant wishes. The soothing sound of the water, the beautiful blue hydrangeas, and the koi fish swimming make it a truly delightful place to visit.

Lake Nojiri

Boating on Nojiri Lake

Lake Nojiri is a beloved summer getaway in Nagano. To the southwest, you'll spot an international resort with charming villas. In July, you can spend a cozy half-day fishing or enjoying the lake and surrounding mountains on a seasonal cruise. For more adventure, try canoeing or stand-up paddleboarding—Lake Nojiri offers plenty of water sports in July.

Utsukushigahara Highland

Utsukushigahara Highland, Nagano

In July, Utsukushigahara Highland offers a refreshing break with temperatures 10℃ cooler than downtown Nagano. The nourishing precipitation brings lush green pastures, attracting cattle and horses. On a clear early morning, clouds envelop the highland, creating a magical fairyland scene. As they lift, the distant Japanese Alps and even Mount Fuji come into view.

Nagano Travel Tips in July

1. July hiking in Nagano can be sweaty, so bring water to stay hydrated.

2. July's heavy showers can make unpaved mountain roads in Nagano muddy and slippery. Check the weather forecasts and attraction announcements in advance.

3. In July 2025, visitors to Kamikochi should be aware that the Azusa River may turn muddy yellow due to silt from the mountains, slightly diminishing its usual beauty.