Weather in Nagano in May
Nagano, Japan averages a high of 21°C (69.8°F) and low of 9.8°C (49.6°F) in May, with 13 rain days and 9.8 hours of daily sunshine. Travel score: 71.9/100 (Good). The best time to visit Nagano is May.
High
21°C70°F
Low
10°C50°F
🌧️
13
rain days
☀️
9.8
hrs/day sunshine
💧
75%
humidity
72— Good
May in Nagano is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Nagano?
How much does it rain in Nagano in May?
Nagano receives an average of 130.5mm of rainfall across 13 rainy days in May. The annual total is 1665.9mm.
What should I pack for Nagano in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (13 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to Japan in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31