Question 1

Is Niihama safe to visit?

Accepted Answer

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

Question 2

What is the sea temperature in Niihama in July?

Accepted Answer

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

Question 3

When is the best time to visit Niihama?

Accepted Answer

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

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	3	4	7	13	17	21	25	26	22	16	11	6
Sea °C	14	13	13	15	18	22	25	28	27	24	20	17
Rain (days)	53	77	118	183	198	255	255	142	243	144	86	52

Niihama, Japan

Climate by month