December · Chile
Best time to visit Osorno in December Weather, crowds & prices
Weather in Osorno in December
Average temperature 16°C, 9 mm of rain, about 31 days with 6+ hours of sunshine and 62% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
10.0/10
Ranked #3 of 12 months
- Avg temp
- 16°C
- Rainfall
- 9 mm
- Humidity
- 62%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Osorno scores 10.0/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 16°C, 9 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Osorno sits in dairy country below its namesake volcano-gateway toward Puerto Octay and Llanquihue lake towns. Best window: November through March in the Southern Hemisphere.
December in Osorno — one of the year's strongest windows (3rd)
December averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rain is a non-issue at 9 mm for the month, with about 31 days with 6+ hours of sunshine and 14.9 hours of daylight to work with.
A 10/10 puts this among the year's best months in Osorno (3rd of 12); only January scores higher, at 10/10.
Pack layers you can shed by midday plus one warm layer for the evening.
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.
Frequently asked
- What is the weather like in Osorno in December?
- In December, Osorno averages 16°C, 9 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
- Is December a good time to visit Osorno?
- December earns a 10.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Osorno in December?
- Expect about 9 mm of rain in December. Average humidity is 62% and there are about 31 days with 6+ hours of sunshine.
Curated in Osorno
Tickets & experiences
Things to do in Osorno
Osorno, Chile. Live activities and tours from GetYourGuide, matched to this destination.