Month-by-month travel weather

Okinawa (Naha) June weather

Okinawa (Naha), Japan · June

Hot, humid days with frequent rain and changing sea conditions

June is peak rainy-season month in Okinawa, with many overcast and rainy days and sticky humidity.

Even if temperatures are not extreme, the combination of heat and moisture can feel heavy, while typical tropical squalls appear and clear quickly.

Average low

around 24-26°C

Average high

around 28-30°C

Average rainfall

200+ mm

Rainy days

around 15+ days

Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.

• Very light T-shirts or tank tops with breathable shorts or wide pants are most comfortable.
• Water-tolerant sandals and quick-dry clothing are essential because showers can appear suddenly.
• Bring a thin outer layer for cold indoor AC, even when it feels hot outside.

• If your trip is heavily focused on marine activities, check cancellation policies and always prepare indoor-day backups.
• Short, intense downpours can be part of the charm if you are flexible about when you go outside.
• Plan to alternate between outdoor spots and indoor rest at cafés, malls, or hotel lounges.

Q. Will it rain every day in June?

A. Rain is frequent, but many days have breaks or just short bursts of heavy rain. It is rare for heavy rain to last all day, every day.

Q. Is June in Okinawa unbearably humid?

A. It is certainly humid, but sea breezes can help. If you pace yourself and take breaks indoors, it is still manageable.

Q. Should I avoid June completely for a beach trip?

A. If your top priority is perfect beach weather, June is riskier. If you prioritize value and do not mind some rain, it can still work.

Authored by Jiheon Bang

Updated: 2025-12-01

Reviewed using Visual Crossing Weather data and reorganized from a traveler’s perspective.

Weather data is designed to be refreshed roughly every 10 minutes.