Ready-made plans

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Best Time for Setouchi Art Islands & Shimanami Kaido

Last updated: 2026-09-15

Preferred months for this journey: April, May, October, November. Check the seasonal notes before choosing your dates.

The mildest windows for the full Shimanami ride. Reserve the bicycle and timed Naoshima art tickets, and still check wind, rain, ferry and museum notices.
Rainy-season humidity, summer heat and the typhoon window can make the exposed 70 km ride unsafe. Start early, carry water and use the parallel bus or ferry only after checking current service.
Cold wind and short daylight demand an early start, warm layers and a conservative fitness check. Shorten or replace the ride when conditions are poor.

Month	Low	High	Rain	Daylight
January	0.8°C	7.6°C	55 mm	9.9 h	❄
February	1.3°C	9.2°C	71 mm	10.7 h	❄
March	3.6°C	12.8°C	101 mm	11.7 h
April	8.2°C	18.0°C	114 mm	12.9 h
May	13.3°C	22.6°C	141 mm	13.8 h
June	18.1°C	25.8°C	208 mm	14.3 h
July	22.6°C	29.0°C	231 mm	14.1 h
August	23.5°C	30.3°C	140 mm	13.3 h
September	19.8°C	26.9°C	189 mm	12.2 h
October	13.9°C	21.6°C	130 mm	11.1 h
November	8.3°C	15.8°C	73 mm	10.2 h
December	3.0°C	10.0°C	72 mm	9.7 h