Puerto Montt in December
In December, Puerto Montt averages 17°C (62°F) during the day and 11°C (51°F) at night, with frequent rain — about 18 days of the month see precipitation (110 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Expect daily rain or showers, often in heavy bursts.
December is one of the wetter and less comfortable months in Puerto Montt. If your dates are flexible, consider a different time of year.
How December compares to the rest of the year in Puerto Montt
December is one of the warmest months in Puerto Montt (3rd of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 3°C above the annual average (14°C). December runs 2°C warmer than November (15°C) and warms a further 1°C into January (18°C).
December sunrise & sunset in Puerto Montt
Times shown for Puerto Montt local time (America/Santiago), calculated for the 15th of December. They shift by a few minutes day to day across the month.
Photography light in Puerto Montt — December
Golden-hour and blue-hour windows for the 15th of December, in Puerto Montt's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Puerto Montt in December
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (Shoulder) and Puerto Montt's popularity.
Crowds & pricing — December in Puerto Montt
Puerto Montt is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — December in Puerto Montt
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Puerto Montt in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 18°C / 64°F | 12°C / 53°F | 82 mm | 17 | — |
| February | 18°C / 65°F | 12°C / 54°F | 65 mm | 14 | — |
| March | 16°C / 62°F | 11°C / 51°F | 121 mm | 17 | — |
| April | 14°C / 58°F | 9°C / 48°F | 186 mm | 19 | — |
| May | 13°C / 55°F | 8°C / 46°F | 223 mm | 22 | — |
| June | 10°C / 50°F | 6°C / 42°F | 264 mm | 24 | — |
| July | 10°C / 50°F | 5°C / 41°F | 254 mm | 24 | — |
| August | 11°C / 51°F | 5°C / 42°F | 264 mm | 24 | — |
| September | 12°C / 53°F | 6°C / 42°F | 169 mm | 22 | — |
| October | 13°C / 56°F | 7°C / 45°F | 154 mm | 22 | — |
| November | 15°C / 59°F | 9°C / 48°F | 122 mm | 21 | — |
| December | 17°C / 62°F | 11°C / 51°F | 110 mm | 18 | — |
Other cities with similar December weather
🌍 See the full ranked list of climate twins for Puerto Montt in December →
Frequently asked questions
How hot is Puerto Montt in December?
In December, Puerto Montt averages a high of 17°C (62°F) and a low of 11°C (51°F) — generally mild and pleasant.
Does it rain a lot in Puerto Montt in December?
December is quite rainy in Puerto Montt, with about 18 rainy days on average.
Is December a good time to visit Puerto Montt?
December is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Puerto Montt in December?
Pack a warm jacket and layers, plus a compact umbrella or rain jacket. See the full December packing list for Puerto Montt for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.