May · Japan
Best time to visit Ishigaki in May Weather, crowds & prices
Weather in Ishigaki in May
Average temperature 26°C, 289 mm of rain, about 23 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.2/10
Ranked #6 of 12 months
- Avg temp
- 26°C
- Rainfall
- 289 mm
- Humidity
- 83%
- Days with 6h+ sun
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Ishigaki scores 7.2/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 26°C, 289 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Ishigaki's coral reefs and beaches sit at the southern end of the Japanese archipelago.
May in Ishigaki — reliably good (6th best month)
With 26°C (78°F) on average, May delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
This is the year's wettest stretch at 289 mm, but with about 23 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 7.2/10 on the same scale — 6th of 12 months, versus 7.9/10 for the best month here.
Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Ishigaki in May?
- In May, Ishigaki averages 26°C, 289 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 7.2/10.
- Is May a good time to visit Ishigaki?
- May earns a 7.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ishigaki in May?
- Expect about 289 mm of rain in May. Average humidity is 83% and there are about 23 days with 6+ hours of sunshine.
Curated in Ishigaki
Tickets & experiences
Things to do in Ishigaki
Ishigaki, Japan. Live activities and tours from GetYourGuide, matched to this destination.