January · Palau
Best time to visit Rock Islands in January Weather, crowds & prices
Weather in Rock Islands in January
Average temperature 27°C, 370 mm of rain, about 25 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
3.2/10
Ranked #1 of 12 months
- Avg temp
- 27°C
- Rainfall
- 370 mm
- Humidity
- 85%
- Days with 6h+ sun
- 25
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
January in Rock Islands scores 3.2/10 for sightseeing and cultural travel - the single best month of the year. Expect around 27°C, 370 mm of rain, and roughly 25 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.
January in Rock Islands — the year's strongest window
Days in January average 27°C (80°F) and humidity near 85% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 370 mm, but with about 25 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
On our climate-comfort scale this is the top-ranked month of the year for Rock Islands at 3.2/10 — the reference point every other month on this page is measured against.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Rock Islands in January?
- In January, Rock Islands averages 27°C, 370 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 3.2/10.
- Is January a good time to visit Rock Islands?
- January 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 January?
- Expect about 370 mm of rain in January. Average humidity is 85% and there are about 25 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.