Is Islip safe to visit?

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

What is the sea temperature in Islip in July?

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

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

coastal destination · city of 18,689 · warmest in Jul · sea ~22°C in July · mid-range

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
High °C	3	4	9	15	20	25	28	27	23	17	12	6
Low °C	-5	-4	0	5	10	16	19	19	14	8	4	-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

Warmest month: Jul. Driest: Jun.

JunJulAugSepmild (18–28°C)

Places from OpenStreetMap contributors (ODbL) — 17 sights and 93 places to eat mapped in total.