Weather in Nagasaki in August
Nagasaki, Japan averages a high of 29.6°C (85.3°F) and low of 25.6°C (78.1°F) in August, with 14 rain days and 10.5 hours of daily sunshine. Travel score: 74.4/100 (Good). The best time to visit Nagasaki is October.
High
30°C85°F
Low
26°C78°F
🌧️
14
rain days
☀️
10.5
hrs/day sunshine
💧
84%
humidity
74— Good
August in Nagasaki is hot and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Nagasaki?
How much does it rain in Nagasaki in August?
Nagasaki receives an average of 188.9mm of rainfall across 14 rainy days in August. The annual total is 2056.4mm.
What should I pack for Nagasaki in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
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Sunscreen SPF 30+
11 hours of sunshine daily
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Sunglasses
Protect your eyes from bright sun
🎉Visiting Japan in August?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31