Weather in Iruma in May
Iruma, Japan averages a high of 21.6°C (70.9°F) and low of 12.7°C (54.9°F) in May, with 15 rain days and 8.8 hours of daily sunshine. Travel score: 69.9/100 (Good). The best time to visit Iruma is May.
High
22°C71°F
Low
13°C55°F
🌧️
15
rain days
☀️
8.8
hrs/day sunshine
💧
77%
humidity
70— Good
May in Iruma is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Iruma?
How much does it rain in Iruma in May?
Iruma receives an average of 163.3mm of rainfall across 15 rainy days in May. The annual total is 1795.1mm.
What should I pack for Iruma in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 22°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (15 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to Japan in May?
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