Question 1

When is the best time to dive U.S. Virgin Islands, United States?

Accepted Answer

Across 1 U.S. Virgin Islands dive site with multi-year conditions history, May historically shows the most favorable days — 80% of sampled days in the good band. The next-highest months are September (68%), June (67%) and August (56%). February historically shows the fewest favorable days (20% of sampled days). Average water temperature in the sample runs from about 27°C in February to 30°C in September. Typical seas range from 1.2 m to 1.9 m of significant wave height through the year. These figures are historical climatology computed from measured conditions — patterns, not a forecast or a guarantee.

Question 2

What marine life can you see in U.S. Virgin Islands, United States, and when?

Accepted Answer

This page tracks 5 species from regional sighting records, including Giant oceanic manta ray, Orca and Green sea turtle. Giant oceanic manta ray: October; Orca: January; Green sea turtle: Mar–May; Bull shark: February; Humpback whale: Aug–Sep. Windows are historical sighting patterns across the wider Caribbean & Bahamas region, not site-specific promises — wildlife is never guaranteed.

Month	Historically favorable days	Water temp	Typical seas
Jan	27%	27°C	1.8 m
Feb	20%	27°C	1.9 m
Mar	33%	27°C	1.8 m
Apr	52%	27°C	1.6 m
May	80%	28°C	1.2 m
Jun	67%	29°C	1.3 m
Jul	54%	29°C	1.4 m
Aug	56%	29°C	1.4 m
Sep	68%	30°C	1.4 m
Oct	54%	30°C	1.6 m
Nov	34%	29°C	1.7 m
Dec	26%	28°C	1.9 m

Best Time to Dive U.S. Virgin Islands

Which months are historically most favorable in the U.S. Virgin Islands?

Marine life seasons