Question 1

Is Innoshima safe to visit?

Accepted Answer

Travelia rates Innoshima, Japan “safe”, following US State Department and UK FCDO travel advisories.

Question 2

What is the sea temperature in Innoshima in July?

Accepted Answer

The sea off Innoshima averages about 25°C in July.

Question 3

When is the best time to visit Innoshima?

Accepted Answer

Innoshima is warmest in Aug and driest in Dec; mild (18–28°C) months are May, Jun, Jul, Aug, Sep, Oct.

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	6	5	8	13	18	22	26	27	24	18	13	8
Sea °C	14	13	13	15	18	22	25	28	26	24	20	17
Rain (days)	40	56	88	137	140	229	184	96	185	110	67	34

Innoshima, Japan

Climate by month