Weather in Iruma in August
Iruma, Japan averages a high of 29.3°C (84.7°F) and low of 22.5°C (72.5°F) in August, with 19 rain days and 9.6 hours of daily sunshine. Travel score: 68.2/100 (Good). The best time to visit Iruma is May.
High
29°C85°F
Low
23°C73°F
🌧️
19
rain days
☀️
9.6
hrs/day sunshine
💧
83%
humidity
68— Good
August in Iruma is hot and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Iruma?
How much does it rain in Iruma in August?
Iruma receives an average of 193.3mm of rainfall across 19 rainy days in August. The annual total is 1795.1mm.
What should I pack for Iruma in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧥
Waterproof jacket
Frequent rain expected (19 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
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