Weather in Isahaya in August
Isahaya, Japan averages a high of 29.7°C (85.5°F) and low of 25.1°C (77.2°F) in August, with 14 rain days and 10.4 hours of daily sunshine. Travel score: 74.5/100 (Good). The best time to visit Isahaya is October.
High
30°C85°F
Low
25°C77°F
🌧️
14
rain days
☀️
10.4
hrs/day sunshine
💧
83%
humidity
75— Good
August in Isahaya is hot and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Isahaya?
How much does it rain in Isahaya in August?
Isahaya receives an average of 193.2mm of rainfall across 14 rainy days in August. The annual total is 2060.5mm.
What should I pack for Isahaya in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 30°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Japan in August?
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