Question 1

Is Grand-Case safe to visit?

Accepted Answer

Travelia rates Grand-Case, St. Martin “reconsider travel”, following US State Department and UK FCDO travel advisories.

Question 2

What is the sea temperature in Grand-Case in July?

Accepted Answer

The sea off Grand-Case averages about 28°C in July.

Question 3

When is the best time to visit Grand-Case?

Accepted Answer

Grand-Case is warmest in Jul and driest in Mar; mild (18–28°C) months are Jan, Feb, 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	25	25	25	26	27	27	28	28	28	27	26	26
Sea °C	26	26	26	27	27	28	28	28	29	29	28	27
Rain (days)	63	50	46	61	94	63	68	99	130	116	135	95

Grand-Case, St. Martin

Climate by month