Weather in Iwatsuki in August
Iwatsuki, Japan averages a high of 30.6°C (87.1°F) and low of 23.3°C (73.9°F) in August, with 12 rain days and 9.6 hours of daily sunshine. Travel score: 77.4/100 (Good). The best time to visit Iwatsuki is August.
High
31°C87°F
Low
23°C74°F
🌧️
12
rain days
☀️
9.6
hrs/day sunshine
💧
80%
humidity
77— Good
August in Iwatsuki is hot and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Iwatsuki?
How much does it rain in Iwatsuki in August?
Iwatsuki receives an average of 117.8mm of rainfall across 12 rainy days in August. The annual total is 1357.9mm.
What should I pack for Iwatsuki in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 31°C
🧢
Sun hat or cap
Protection from intense sun
🧴
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