Temperature
Warm by day, warm at night.
81°Ftypical Aug high
Mustique
Saint Vincent and the Grenadines · Caribbean
Mustique is most comfortable in the drier months around February to April. Typical daytime highs run about 78-82°F year-round. The climate is warm and humid. Rainy season runs roughly June to November.
Best time to go
12 mo · Typical year
Temperature range
76°F to 82°F
Rain
15 days/mo
Sunshine
5.4 h/day
Humidity feel
Humid year-round
When to visit
Month-by-month fit
Precipitation
One of the wettest months.
71%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
5.3 hAug sunshine
Heat & humidity by month
Very humid air is a major factor this month.
Very humidAug heat feel
Air-feel chart data is unavailable for this destination. Use the selected-month dew point, temperature, rain, and sunshine context together rather than treating any one metric as total comfort.
Sea temperature
84°Aug sea temp
More detailIncludes sky and daypart comfort
Cloud cover
Partly cloudy across the month.
47%Aug clear sky
ClearCloud cover
Similar
Similar things to doPhu QuocVietnamSimilar things to doBequiaSaint Vincent and the GrenadinesSimilar things to doBiminiBahamasSimilar things to doFreeportBahamas
Want a side-by-side climate view? Compare Mustique with Phu Quoc.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 19, 2026
Data & methodology