Climate guide for Rock Islands, Palau

Rock Islands in August

Weather, crowds & best time to visit

How to read the score (0–10)
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August · Palau

Best time to visit Rock Islands in August Weather, crowds & prices

Weather in Rock Islands in August

Average temperature 27°C, 649 mm of rain, about 23 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

3.2/10

Ranked #4 of 12 months

Full year for Rock Islands
Avg temp
27°C
Rainfall
649 mm
Humidity
88%
Days with 6h+ sun
23
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

August in Rock Islands scores 3.2/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 27°C, 649 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.

Palau's Rock Islands Southern Lagoon is a protected maze of limestone islets, reefs, lagoons, beaches, and marine sites explored by licensed boat, kayak, or dive operators.

August in Rock Islands — off-season conditions

August averages 27°C (80°F) and humidity near 88%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

649 mm makes this the wettest stretch of the year, though about 23 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.

It scores 3.2/10 here, 4th of 12 months, against 3.2/10 in the destination's best month.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Figure on peak pricing, with this is one of the busiest months here.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Rock Islands in August?
In August, Rock Islands averages 27°C, 649 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 3.2/10.
Is August a good time to visit Rock Islands?
August earns a 3.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Rock Islands in August?
Expect about 649 mm of rain in August. Average humidity is 88% and there are about 23 days with 6+ hours of sunshine.

Curated in Rock Islands

Tickets & experiences

Things to do in Rock Islands

Rock Islands, Palau. Live activities and tours from GetYourGuide, matched to this destination.