Verdict: Fair month
Okinawa Weather in August
August runs warm in Okinawa, with daily highs around 30°C (86°F) and nights near 27°C (81°F). It's also the wet side of the calendar: rain falls on about 22 days, so build flexibility into plans. August is workable in Okinawa if your dates are fixed — just plan around the conditions.
Average high
30°C / 86°F
Average low
27°C / 81°F
Rain days
~22
Precipitation
274 mm
What to pack for Okinawa in August
- Light, breathable clothing — linen and technical fabrics earn their keep
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 22 days
- Quick-dry shoes — downpours are short but heavy
- Comfortable walking shoes — every guide on this site assumes you'll use them
August against the rest of the year
Warmest in Okinawa: Jul (30°C / 86°F) · Coolest: Jan (20°C / 68°F) · Wettest: Jun (~23 rain days)
20°
16°
Jan
20°
16°
Feb
22°
18°
Mar
24°
20°
Apr
26°
22°
May
28°
25°
Jun
30°
27°
Jul
30°
27°
Aug
30°
26°
Sep
28°
24°
Oct
25°
21°
Nov
21°
17°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)