May · Japan
Best time to visit Naoshima in May Weather, crowds & prices
Weather in Naoshima in May
Average temperature 18°C, 207 mm of rain, about 25 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
6.8/10
Ranked #3 of 12 months
- Avg temp
- 18°C
- Rainfall
- 207 mm
- Humidity
- 77%
- Days with 6h+ sun
- 25
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Naoshima scores 6.8/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 18°C, 207 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.
Naoshima is the Seto Inland Sea art island of Yayoi Kusama pumpkins, Tadao Ando museums, and slow ferry rhythms. Best window: late spring through early autumn.
May in Naoshima: mixed conditions, plan around the weather
May averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
207 mm makes this the wettest stretch of the year, though about 25 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.8/10 here, 3rd of 12 months, against 7/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Naoshima in May?
- In May, Naoshima averages 18°C, 207 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 6.8/10.
- Is May a good time to visit Naoshima?
- May earns a 6.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Naoshima in May?
- Expect about 207 mm of rain in May. Average humidity is 77% and there are about 25 days with 6+ hours of sunshine.
Curated in Naoshima
Tickets & experiences
Things to do in Naoshima
Naoshima, Japan. Live activities and tours from GetYourGuide, matched to this destination.