Question 1

Is Shimabara safe to visit?

Accepted Answer

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

Question 2

What is the sea temperature in Shimabara in July?

Accepted Answer

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

Question 3

When is the best time to visit Shimabara?

Accepted Answer

Shimabara 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	5	6	9	15	19	22	26	27	24	18	13	8
Sea °C	15	14	14	16	19	22	25	27	26	23	20	17
Rain (days)	62	85	129	169	197	255	255	202	198	97	74	59

Shimabara, Japan

Climate by month