Climate guide for Cajón del Maipo, Chile

Cajón del Maipo in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · Chile

Best time to visit Cajón del Maipo in December Weather, crowds & prices

Weather in Cajón del Maipo in December

Average temperature 8°C, 3 mm of rain, about 31 days with 6+ hours of sunshine and 35% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

9.1/10

Ranked #3 of 12 months

Full year for Cajón del Maipo
Avg temp
8°C
Rainfall
3 mm
Humidity
35%
Days with 6h+ sun
31
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

December in Cajón del Maipo scores 9.1/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 8°C, 3 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.

Cajón del Maipo is Santiago’s weekend Andes-hot springs, canyon roads, and trailheads within a couple of hours. Best window: October-April in the Southern Hemisphere.

December in Cajón del Maipo — one of the year's strongest windows (3rd)

December averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 3 mm for the month, with about 31 days with 6+ hours of sunshine and 14.2 hours of daylight to work with.

A 9.1/10 puts this among the year's best months in Cajón del Maipo (3rd 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.

Figure on 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.

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 Cajón del Maipo in December?
In December, Cajón del Maipo averages 8°C, 3 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
Is December a good time to visit Cajón del Maipo?
December earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Cajón del Maipo in December?
Expect about 3 mm of rain in December. Average humidity is 35% and there are about 31 days with 6+ hours of sunshine.

Curated in Cajón del Maipo

Tickets & experiences

Things to do in Cajón del Maipo

Cajón del Maipo, Chile. Live activities and tours from GetYourGuide, matched to this destination.