December · Chile
Best time to visit Marble Caves in December Weather, crowds & prices
Weather in Marble Caves in December
Average temperature 9°C, 21 mm of rain, about 27 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.3/10
Ranked #2 of 12 months
- Avg temp
- 9°C
- Rainfall
- 21 mm
- Humidity
- 69%
- Days with 6h+ sun
- 27
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Marble Caves scores 9.3/10 for nature and wildlife travel - one of the top 12-month picks (#2). Expect around 9°C, 21 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
The Marble Caves swirl turquoise patterns on General Carrera Lake-boat approaches from Puerto Río Tranquilo. Best window: November through March in the Southern Hemisphere.
December is one of the strongest months in Marble Caves (2nd)
December averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 21 mm of rain — occasional showers rather than washed-out days — alongside about 27 days with 6+ hours of sunshine and 15.6 daylight hours.
A 9.3/10 puts this among the year's best months in Marble Caves (2nd of 12); only January scores higher, at 9.6/10.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.
Plan for peak pricing, with 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 Marble Caves in December?
- In December, Marble Caves averages 9°C, 21 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 9.3/10.
- Is December a good time to visit Marble Caves?
- December earns a 9.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Marble Caves in December?
- Expect about 21 mm of rain in December. Average humidity is 69% and there are about 27 days with 6+ hours of sunshine.
Curated in Marble Caves
Tickets & experiences
Things to do in Marble Caves
Marble Caves, Chile. Live activities and tours from GetYourGuide, matched to this destination.