Okidaitōjima
Island Remote Okinawan island formerly used for phosphate mining
A small coral island in Okinawa’s Daitō group, largely uninhabited; researchers and occasional charter boats call here for reef surveys, seabird colonies and the remnants of past phosphate mining.
How to Get to Okidaitōjima #
Access usually requires charter boat or special regional ferry services from Okinawa or the nearest inhabited Daitō islands; schedules are irregular and require advance planning. Local authorities advise checking maritime conditions.
Tips for Visiting Okidaitōjima #
- Island access and permissions vary - confirm with Okinawa maritime authorities for landing permissions and transport.
- Bring snorkeling gear to examine coastal reefs if permitted and safe; marine life is often the highlight.
- Respect any remaining wartime relics and local regulations governing artifact removal.
Best Time to Visit Okidaitōjima #
Best in late spring and early summer for calmer seas and good underwater visibility; avoid typhoon season.
Weather & Climate near Okidaitōjima #
Subtropical climate with hot summers (peaking in July) and mild winters (coldest in February). Temperatures range from 18°C to 32°C. Heavy rainfall (2450 mm/year), wettest in May, distributed fairly evenly throughout the year.
January
January is mild with highs of 23°C and lows of 18°C. Significant rainfall (169 mm) and mostly overcast skies.
Comfort
Weather
February
February is mild with highs of 22°C and lows of 18°C. Significant rainfall (159 mm) and partly cloudy skies.
Comfort
Weather
March
March is mild with highs of 23°C and lows of 19°C. Significant rainfall (188 mm) and partly cloudy skies.
Comfort
Weather
April
April is mild with highs of 25°C and lows of 21°C. Heavy rain (210 mm) and mostly overcast skies.
Comfort
Weather
May
May is warm with muggy conditions (dew point 23°C). The wettest month with heavy rain (250 mm) and partly cloudy skies.
Comfort
Weather
June
June is hot, feeling like 33°C with oppressive humidity. Heavy rain (231 mm) and partly cloudy skies.
Comfort
Weather
July
July is the hottest month, feeling like 36°C with oppressive humidity. Significant rainfall (183 mm) and partly cloudy skies.
Comfort
Weather
August
August is hot, feeling like 36°C with oppressive humidity. Significant rainfall (200 mm) and partly cloudy skies.
Comfort
Weather
September
September is hot, feeling like 34°C with oppressive humidity. Heavy rain (203 mm) and partly cloudy skies.
Comfort
Weather
October
October is hot, feeling like 30°C with oppressive humidity. Heavy rain (249 mm) and partly cloudy skies.
Comfort
Weather
November
November is warm with highs of 27°C and lows of 23°C. Heavy rain (225 mm) and mostly overcast skies.
Comfort
Weather
December
December is mild with highs of 24°C and lows of 20°C. Significant rainfall (183 mm) and mostly overcast skies.
