Temperature
Hot by day, warm at night.
Sea Island is most comfortable in spring. Summers are hot and winters are mild. Rain is spread through the year.

Hot by day, warm at night.
One of the wettest months.
Cloudier spells limit sunshine.
Hot afternoons occur, with humid air through much of the month.
In August, afternoons feel about 92° and nights feel near 83°.
Mostly cloudy skies.
August late afternoons are around 86°F, easing to about 82°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Sea Island with Hong Kong.
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: Jul 31, 2026
Data & methodology