Main image

Paipateroma CC BY-SA 4.0 Wikimedia Commons

Shimoji-shima

Island

An island in the Miyako group of Okinawa with Shimojishima Airport and surrounding coral reef. Visitors come for diving, beaches and boat links to neighboring islands.

Shimoji-shima NahaGinowan, OkinawaUrumaUrasoe, OkinawaShimoji-shima

Shimoji-shima essentials

Country: Japan
Driest months: Jan-Mar
Pay in: Yen (¥)
Emergency: 110

Shimoji-shima at a Glance#

Shimoji-shima is an island in Okinawa Prefecture, Japan, forming part of the Miyako Islands in the Ryukyu archipelago. It is a small inhabited island with transport links and local infrastructure.

The island contains an airfield that provides civil aviation facilities and is notable within the island group for that infrastructure. Shores are lined with beaches and shallow coastal areas typical of the subtropical Miyako islands.

Historically the island’s airfield and facilities have supported local transport and occasional training operations, and the island has been used for limited tourism and aviation activities. The island functions as part of the broader Miyako community rather than as an independent tourist center.

Shimoji-shima lies southwest of the Japanese main island of Okinawa and is close to the larger island of Miyakojima within Okinawa Prefecture. It is reachable by air and by sea from other islands in the chain.

  • Island group: Part of the Miyako Islands group and administered within Okinawa Prefecture in southern Japan.

What to See#

  • Airport: Sits on the island and provides civil aviation facilities and a paved runway used for occasional commercial, training and diversionary flights.
Things to Do
When to Go

Best Time to Visit Shimoji-shima#

Go in spring or autumn for warm, pleasant conditions with lower typhoon risk and comfortable beach weather.

Spring
Mar-May · ~20-27°C
Warm, pleasant weather ideal for beach activities and exploring the island.
Summer (warm, watch typhoons)
Jun-Aug · ~25-31°C
Hot and humid; lively beach season but coincides with the broader East Asia typhoon season - monitor forecasts.
Autumn
Sep-Nov · ~23-28°C
Still warm with fewer crowds after peak summer; early autumn can still see storm activity.

Weather & Climate near Shimoji-shima#

Climate

Shimoji-shima's climate is classified as Tropical Rainforest - Tropical Rainforest climate with hot summers (peaking in July) and mild winters (coldest in January). Temperatures range from 15°C to 31°C. Heavy rainfall (2120 mm/year), wettest in August.

Air Quality: AQI 44 Good
Best Time to Visit
SeptemberJuneOctober
Temperature & Rainfall
Temperature Range
31°
Warmest Month
10°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Acceptable 15° - 20° 18° 153 mm overcast 77% 4.5 m/s 0.9 moderate 10.7h
February Good 15° - 20° 18° 132 mm overcast 79% 4.1 m/s 1.2 high 11.2h
March Good 17° - 22° 20° 148 mm overcast 79% 3.8 m/s 1.4 high 11.9h
April Good 20° - 25° 22° 162 mm overcast 82% 3.9 m/s 1.7 very high 12.6h
May Good 22° - 27° 25° 214 mm overcast 85% 3.9 m/s 2.0 extreme 13.2h
June Very Good 25° - 30° 32° 185 mm partly cloudy 87% 3.6 m/s 2.4 extreme 13.5h
July Good 26° - 31° 35° 152 mm partly cloudy 83% 4.2 m/s 2.6 extreme 13.4h
August Good 26° - 31° 34° 234 mm partly cloudy 83% 4.5 m/s 2.3 extreme 12.9h
September Very Good 25° - 30° 31° 212 mm partly cloudy 81% 4.8 m/s 2.0 very high 12.2h
October Very Good 23° - 28° 25° 208 mm partly cloudy 78% 4.6 m/s 1.5 high 11.5h
November Good 20° - 25° 22° 172 mm overcast 78% 5.0 m/s 1.1 high 10.8h
December Acceptable 17° - 22° 19° 148 mm overcast 76% 4.4 m/s 0.8 moderate 10.5h
Getting There & Around

How to Get to Shimoji-shima#

Shimoji-shima is served by Shimojishima Airport (SHI), which has scheduled domestic flights from Okinawa (Naha) and other regional airports - check current timetables for direct services. From neighboring Miyako-jima you can also reach Shimoji-shima by local boat/ferry services and then use taxis or a rental car to get around the small island; distances on the island are short so most sites are a short taxi ride or a few minutes’ drive from the ferry terminal or airport.

Tips for Visiting Shimoji-shima#

  • Arrange a rental car or local transport in advance: Shimoji-shima has limited public transit and short distances between beaches, dive operators and viewpoints are easiest covered by car.
  • Book any diving/snorkeling or charter trips beforehand-local operators are small and slots fill quickly, especially in peak season, and early-morning departures give the clearest water.
  • Visit on weekdays or first thing in the morning to avoid weekend crowds at the island's popular shore spots; exploring lesser-known coves on the south and west coasts yields quieter snorkeling and beach access.