Weather in Iwaki in May
Iwaki, Japan averages a high of 20°C (68°F) and low of 12.5°C (54.5°F) in May, with 12 rain days and 9.1 hours of daily sunshine. Travel score: 71.3/100 (Good). The best time to visit Iwaki is August.
High
20°C68°F
Low
13°C55°F
🌧️
12
rain days
☀️
9.1
hrs/day sunshine
💧
78%
humidity
71— Good
May in Iwaki is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Iwaki?
How much does it rain in Iwaki in May?
Iwaki receives an average of 141.1mm of rainfall across 12 rainy days in May. The annual total is 1484.7mm.
What should I pack for Iwaki in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (12 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