May · Japan
Best time to visit Okinawa in May Weather, crowds & prices
Weather in Okinawa in May
Average temperature 24°C, 349 mm of rain, about 20 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
6.5/10
Ranked #7 of 12 months
- Avg temp
- 24°C
- Rainfall
- 349 mm
- Humidity
- 83%
- Days with 6h+ sun
- 20
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Okinawa scores 6.5/10 for beach and coastal travel - ranked #7 of 12. Expect around 24°C, 349 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Okinawa's Ryukyu castles, coral reefs, and island ferries spread across a subtropical chain south of mainland Japan.
May in Okinawa: mixed conditions, plan around the weather
May averages 24°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
349 mm makes this the wettest stretch of the year, though about 20 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 6.5/10 here, 7th of 12 months, against 7.3/10 in the destination's best month.
Pack light clothing, swimwear and real sun protection, 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 Okinawa in May?
- In May, Okinawa averages 24°C, 349 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 6.5/10.
- Is May a good time to visit Okinawa?
- May earns a 6.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Okinawa in May?
- Expect about 349 mm of rain in May. Average humidity is 83% and there are about 20 days with 6+ hours of sunshine.
Curated in Okinawa
Tickets & experiences
Things to do in Okinawa
Okinawa, Japan. Live activities and tours from GetYourGuide, matched to this destination.