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Puerto Aisén Weather in December
Puerto Aisén in December sees moderate temperatures, with highs around 14°C (57°F) and overnight lows of 5°C (41°F). With the rainy season in full effect, expect around 288 mm (11 in) of rainfall and regular showers throughout the month.
Rainfall in Puerto Aisén in December
As part of the rainy season, Puerto Aisén sees around 3 days of rain in December, with an average of 288 mm (11 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Puerto Aisén in December
Puerto Aisén in December gets highs of 14°C (57°F) during the day and drops to 5°C (41°F) at night. December is in the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.For additional travel inspiration, our weather planner can help you discover destinations worldwide.
Puerto Aisén Temperature in December
Min Temperature
5°C (41°F)
Max Temperature
14°C (57°F)
Chance of Rain
10%
Precipitation
288 mm (11 in)
Rainy days
3 days
Humidity
73% *
* Data from: Puerto Aysén, Chile (23 KM, 14 Miles).
Puerto Aisén Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Puerto Aisén - and find the best time to visit.
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in Puerto Aisén typically stay consistent throughout December, with daily highs averaging around 14°C (57°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 10°C (50°F).
Average temperatures in December
Daily Historical Precipitation
44-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Puerto Aisén in December
Browse day-by-day weather records for Puerto Aisén spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Puerto Aisén historical weather extremes in December
Our historical data for Puerto Aisén spans 2006 to 2025, revealing these weather extremes.
- The hottest December day on record in Puerto Aisén reached 32°C (90°F) (December 15, 2011).
- On December 23, 2025, Puerto Aisén saw its coldest December day with temperatures maxing out at 6°C (43°F).
- The coldest night in December in Puerto Aisén was on December 11, 2010, with a minimum of -2°C (28°F).
- The wettest December day on record brought 49 mm (1.9 in) of precipitation to Puerto Aisén (December 31, 2006).
Best Places in Chile in 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
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Puerto Aisén in December
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions.
What To Do in Puerto Aisén in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling5/10 -
Walking5/10 -
Camping3/10
Puerto Aisén 3-Day Forecast
More climate data for Puerto Aisén
See the full Puerto Aisén climate overview or explore weather in Chile.
Popular in December
Where to go in December - average daytime high across popular destinations.
Santiago
26°C (79°F) San Pedro de Atacama
25°C (77°F) La Serena
23°C (73°F) Hanga Roa24°C (75°F) Viña del Mar20°C (68°F) Pucón
19°C (66°F) Valparaíso19°C (66°F) Bucket list
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