Climate guide for Underground River, Philippines

Underground River in January

Weather, crowds & best time to visit

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January · Philippines

Best time to visit Underground River in January Weather, crowds & prices

Weather in Underground River in January

Average temperature 27°C, 87 mm of rain, about 19 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

January score

5.5/10

Ranked #4 of 12 months

Full year for Underground River
Avg temp
27°C
Rainfall
87 mm
Humidity
82%
Days with 6h+ sun
19
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

January in Underground River scores 5.5/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 27°C, 87 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.

The Underground River on Palawan runs through a limestone cave to the sea, a UNESCO site near Puerto Princesa.

January in Underground River — middling scores, decent value

Days in January average 27°C (81°F) and humidity near 82% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

Budget for roughly 87 mm of rain this month — a flexible day or two helps — with about 19 days with 6+ hours of sunshine and 11.5 hours of daylight to work around it.

That is 5.5/10 on the same scale — 4th of 12 months, versus 6.8/10 for the best month here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer, footwear you can get muddy.

Budget for mid-season pricing, and crowds are moderate.

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 Underground River in January?
In January, Underground River averages 27°C, 87 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 5.5/10.
Is January a good time to visit Underground River?
January earns a 5.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Underground River in January?
Expect about 87 mm of rain in January. Average humidity is 82% and there are about 19 days with 6+ hours of sunshine.

Curated in Underground River

Tickets & experiences

Things to do in Underground River

Underground River, Philippines. Live activities and tours from GetYourGuide, matched to this destination.