Question 1

Is Islip safe to visit?

Accepted Answer

Travelia rates Islip, United States “safe”, following US State Department and UK FCDO travel advisories.

Question 2

What is the sea temperature in Islip in July?

Accepted Answer

The sea off Islip averages about 22°C in July.

Question 3

When is the best time to visit Islip?

Accepted Answer

Islip is warmest in Jul and driest in Jun; 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	-1	0	5	10	15	20	23	23	19	13	8	2
Sea °C	6	4	5	7	12	18	22	23	21	17	13	9
Rain (days)	88	77	103	96	90	74	78	100	81	82	96	93

Islip, United States

Climate by month