Weather in Nagano in August
Nagano, Japan averages a high of 28.8°C (83.8°F) and low of 20.2°C (68.4°F) in August, with 17 rain days and 10.3 hours of daily sunshine. Travel score: 71.8/100 (Good). The best time to visit Nagano is May.
High
29°C84°F
Low
20°C68°F
🌧️
17
rain days
☀️
10.3
hrs/day sunshine
💧
83%
humidity
72— Good
August in Nagano is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Nagano?
How much does it rain in Nagano in August?
Nagano receives an average of 148.8mm of rainfall across 17 rainy days in August. The annual total is 1665.9mm.
What should I pack for Nagano in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧥
Waterproof jacket
Frequent rain expected (17 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting Japan in August?
Don't miss any public holidays — check before you book!
Compare Nagano
Popular comparisons:
How can I plan my trip to Nagano?
What other cities are near Nagano?
What are other popular cities in Japan?
What is the weather like in other months in Nagano?
Data based on 1994–2024 averages · Last updated: 2024-12-31