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With daytime temperatures of 20°C (68°F) and nighttime lows of 10°C (50°F), December in Valdivia brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 74 mm (2.9 in) falls on average.
If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
Pick a month to see the average temperature, rainfall and sunshine in Valdivia - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Valdivia typically stay consistent throughout December, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Valdivia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Valdivia between 1991 and 2025, these are the recorded extremes during December.
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
For Valdivia in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 14°C (57°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Valdivia climate overview or explore weather in Chile.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
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