Question 1

Is Hạ Long safe to visit?

Accepted Answer

Travelia rates Hạ Long, Vietnam “safe”, following US State Department and UK FCDO travel advisories.

Question 2

What is the sea temperature in Hạ Long in July?

Accepted Answer

The sea off Hạ Long averages about 30°C in July.

Question 3

When is the best time to visit Hạ Long?

Accepted Answer

Hạ Long is warmest in Jun and driest in Jan; mild (18–28°C) months are Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	16	17	19	23	27	28	28	28	27	25	21	18
Sea °C	20	19	20	23	27	29	30	30	29	28	25	22
Rain (days)	16	39	41	79	193	255	255	255	255	87	32	20

Hạ Long, Vietnam

Climate by month