Month guide · Okinawa · Japan
Okinawa in May
What May is really like in Okinawa: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: そらみみ, CC BY-SA 4.0
Quick answer
May is a shoulder-season month. Expect average highs of 27°C (81°F), lows of 22°C (72°F), about 11 rainy days and roughly 13.4 hours of daylight. The rainy season usually starts in early to mid-May, bringing heavy showers between sunny spells; hotels are cheaper after Golden Week.
Key facts
- Average high / low
- 27°C (81°F) / 22°C (72°F)
- Rainy days
- About 11
- Daylight
- About 13.4 hours
- Sea temperature
- 25°C (77°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in May
May is the 6th-warmest month in Okinawa: days average 27°C (81°F) against a yearly average high of 26°C (79°F), and nights fall to about 22°C (72°F). Rain falls on roughly 11 of its 31 days. Compared with April (24°C (75°F)), May is warmer; by June highs climb to around 29°C (84°F).
- Sunrise (15 May)
- About 05:43
- Sunset (15 May)
- About 19:08
- Daylight
- About 13.4 hours
- Sea
- 25°C (77°F)
Spring (March–May). Warm, sunny days, beaches opening and Golden Week crowds; the rainy season usually begins in May.
Crowds and prices
On a 1–5 scale, May rates 3 for crowds (the peak is July at 5) and 3 for hotel prices (highest in July). Prices sit in the middle of the year's range.
Events in May
- Naha Hārī dragon-boat races (usually early May)
- Rainy season begins (usually early to mid-May)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in May
With frequent rain, plan around indoor sights and keep outdoor time flexible.

Museum · Nanjo and the south
Himeyuri Peace Museum
It is emotionally heavy; combine it with a quiet walk or cliff-top café rather than a theme park afterwards.
- Time needed
- 1 hour
- Cost
- Low cost
- History
- Rainy day
Theme park · Nanjo and the south
Okinawa World and Gyokusendo Cave
This cultural theme park is built around Gyokusendo, a limestone cave about 5 km long, of which roughly 890 m is open on a walkway through stalactite halls and underground pools.
- Time needed
- 2–3 hours
- Cost
- Mid-priced
- Kids
- Rainy day
- Nature

Castle · Naha (Kokusai-dori)
Shuri Castle
Ride the Yui Rail to Shuri station and walk up through Shureimon gate, then continue down the Kinjo-cho stone-paved path.
- Time needed
- 2 hours
- Cost
- Low cost
- Iconic
- History
- Architecture
- Views
Street · Naha (Kokusai-dori)
Kokusai-dori
Naha's main street runs for about 1.6 km past souvenir shops, awamori bars, Okinawan restaurants and live-music venues.
- Time needed
- 2 hours
- Cost
- Free
- Shopping
- Food
- After dark
- Free
The sea averages 25°C (77°F) — warm enough to swim. Best beaches near Okinawa.
What to pack
For highs near 27°C, lows near 22°C and 11 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.
Is May a good time to visit Okinawa?
A shoulder-season month, with 2 notable events on the calendar. If your dates are flexible, April, June–July and October are better overall. Compare every month.
Okinawa in other months
Questions travellers ask
+Is May a good time to visit Okinawa?
It is a shoulder-season month. The rainy season usually starts in early to mid-May, bringing heavy showers between sunny spells; hotels are cheaper after Golden Week.
+How warm is Okinawa in May?
Average highs are around 27°C (81°F) and lows around 22°C (72°F).
+Does it rain a lot in Okinawa in May?
Expect rain on about 11 days of the month.