Temperature
Hot by day, warm at night.
84°Ftypical Aug high
Harbour Island
Bahamas · Caribbean
Harbour Island is most comfortable in winter. Summers are warm and winters are mild. Rainy season runs roughly May to October. Humidity is noticeable much of the year.
Best time to go
12 mo · Typical year
Temperature range
70°F to 84°F
Rain
11 days/mo
Sunshine
10.7 h/day
Humidity feel
Humid year-round
When to visit
Month-by-month fit
Precipitation
Rain most days.
58%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
11.6 hAug sunshine
Heat & humidity by month
Warm days, with some hot afternoons and occasional humid spells.
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
85°Aug sea temp
More detailIncludes sky and daypart comfort
Cloud cover
Partly cloudy across the month.
47%Aug clear sky
ClearCloud cover
Similar
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Want a side-by-side climate view? Compare Harbour Island with Anguilla.
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 1, 2026
Data & methodology