Weather in Jōetsu in August
Jōetsu, Japan averages a high of 29.5°C (85.1°F) and low of 22.6°C (72.7°F) in August, with 18 rain days and 10.2 hours of daily sunshine. Travel score: 70.3/100 (Good). The best time to visit Jōetsu is June.
High
30°C85°F
Low
23°C73°F
🌧️
18
rain days
☀️
10.2
hrs/day sunshine
💧
84%
humidity
70— Good
August in Jōetsu is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Jōetsu?
How much does it rain in Jōetsu in August?
Jōetsu receives an average of 187.4mm of rainfall across 18 rainy days in August. The annual total is 2228mm.
What should I pack for Jōetsu in August?
Essentials
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Comfortable walking shoes
Essential for exploring the city
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Light layers and t-shirts
Warm weather around 30°C
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Waterproof jacket
Frequent rain expected (18 rainy days)
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Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
10 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