Japan Okinawa Weather in May — Climate Guide
May in Okinawa is very-high
Okinawa Weather in May — Quick Answer
As of 2026- Avg temp
- 26° / 21°
- Rainfall
- 230mm · 13 days
- Crowds
- Very busy
As of 2026, Okinawa in May averages a high of 26°C and low of 21°C with 230mm of rain over about 13 days. Warm subtropical + rainy.
May is very-high for Okinawa.
Korean Golden Week peak + rainy season start. Hotels surge.
Travel score
Okinawa May Weather Stats
Avg High
26°C
Avg Low
21°C
Rainy Days
13
230mm total
Sunshine
6h
Daily avg
Humidity
78%
high
UV Index
9
Very high
Wind
15 km/h
Gusts 25
Sea Temp
24°C
good for swimming
Crowds
Very busy
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
22 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
28°C
Nighttime
22°C
Humidity and wind affect how the actual temperature feels.
Wind
15 km/h
Max gust 25 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Korean Golden Week
- Beach season
- Hari Boat Race
Cons
- Rainy season 13 days
- Hotels surge
May Events & Festivals
- Korean Golden Week
- Hari Boat Race
- Rainy season
Okinawa in May — Full Picture
Korean Golden Week peak + rainy season start. Hotels surge.
What to Wear & What to Pack
Warm subtropical + rainy.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current23.7°C
18.3°C
12/mo
Summer (Jun·Jul·Aug)
30.3°C
25.3°C
11/mo
Autumn (Sep·Oct·Nov)
27.7°C
22.7°C
9.7/mo
Winter (Dec·Jan·Feb)
19.7°C
14.7°C
11/mo
Okinawa Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 19° | 14° | 11d·110mm | 5h | 67% | 4 | Busy | Shoulder | |
| 19° | 14° | 12d·120mm | 5h | 70% | 5 | Busy | Shoulder | |
| 21° | 16° | 12d·160mm | 6h | 73% | 6 | Busy | Shoulder | |
| April (Best) | 24° | 18° | 11d·165mm | 6h | 75% | 7 | Very busy | Peak |
| May (Best) | 26° | 21° | 13d·230mm | 6h | 78% | 9 | Very busy | Peak |
| 29° | 24° | 13d·245mm | 6h | 81% | 10 | Busy | Shoulder | |
| 31° | 26° | 9d·140mm | 8h | 79% | 11 | Very busy | Peak | |
| 31° | 26° | 11d·240mm | 7h | 79% | 11 | Very busy | Peak | |
| 30° | 25° | 12d·260mm | 7h | 78% | 10 | Busy | Shoulder | |
| October (Best) | 28° | 23° | 9d·165mm | 7h | 73% | 8 | Very busy | Peak |
| November (Best) | 25° | 20° | 8d·110mm | 6h | 70% | 6 | Busy | Shoulder |
| 21° | 16° | 10d·105mm | 5h | 67% | 4 | Busy | Peak |
View Other Months
Okinawa May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Okinawa?
Okinawa in May is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Okinawa in May?
Okinawa May averages a high of 26°C and a low of 21°C.
Does it rain much in Okinawa in May?
Okinawa May averages 230mm of rainfall over about 13 rainy days.
What should I wear in Okinawa in May?
Warm subtropical + rainy.
What time are sunrise and sunset in Okinawa in May?
Okinawa May sunrise is 05:55 and sunset is 19:15, with 13h 20min of daylight.
What's the air quality like in Okinawa in May?
Okinawa May air quality (AQI) averages 35, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Okinawa in May?
In May, Okinawa is great for Beach, Hari Boat Race, Churaumi.
Is May peak season in Okinawa?
Okinawa May crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Okinawa
View Other Months
Planning a May trip to Okinawa?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.