December · Philippines
Best time to visit Underground River in December Weather, crowds & prices
Weather in Underground River in December
Average temperature 28°C, 159 mm of rain, about 16 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
3.7/10
Ranked #10 of 12 months
- Avg temp
- 28°C
- Rainfall
- 159 mm
- Humidity
- 83%
- Days with 6h+ sun
- 16
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Underground River scores 3.7/10 for nature and wildlife travel - ranked #10 of 12. Expect around 28°C, 159 mm of rain, and roughly 16 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.
December in Underground River: expect compromises
December averages 28°C (82°F) and humidity near 83%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 159 mm this is a genuinely wet month: about 16 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 3.7/10 here, 10th of 12 months, against 6.8/10 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, footwear you can get muddy.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? February scores 3.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Underground River in December?
- In December, Underground River averages 28°C, 159 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 3.7/10.
- Is December a good time to visit Underground River?
- December earns a 3.7/10 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 December?
- Expect about 159 mm of rain in December. Average humidity is 83% and there are about 16 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.