All Weather Guides

Weather Guide: Puerto Montt

Nestled on the Reloncaví Estuary, Puerto Montt is the gateway to Chile's Lakes District and Northern Patagonia. Its climate is characterized by abundant rainfall and moderate temperatures, offering a lush green landscape year-round, though visitors should always be prepared for changing weather.

Climate: OceanicElevation: 10m

Overview

Puerto Montt experiences a cool temperate oceanic climate, typical of coastal Southern Chile. Rainfall is significant throughout the year, with a slight decrease in summer (December to February) when temperatures are mildest. Winters are cool, wet, and windy, while summers are pleasantly mild but still prone to rain and strong winds. The region's proximity to the Andes also influences microclimates.

Monthly Weather

January

Peak
19°
10°
12 rainy days|0 snow days|7.5 hrs sun|28 km/h

January is one of the warmest and driest months, offering pleasant summer conditions. Days are long, and the weather is generally mild, ideal for outdoor activities, though rain showers are still a possibility.

February

Peak
19°
9°
11 rainy days|0 snow days|7 hrs sun|27 km/h

Similar to January, February continues the mild summer weather with long daylight hours. It's an excellent time to explore, though occasional rain and strong winds remain part of the Patagonian experience.

March

Moderate
17°
8°
14 rainy days|0 snow days|6 hrs sun|25 km/h

As autumn begins, temperatures cool, and rainfall starts to increase. The landscape remains beautiful with changing foliage, and crowds begin to thin, offering a more tranquil experience.

April

Moderate
14°
6°
16 rainy days|0 snow days|4.5 hrs sun|23 km/h

April sees a noticeable drop in temperatures and an increase in rain, signaling the full onset of autumn. Days shorten significantly, but opportunities for indoor activities and scenic drives are plentiful.

May

Low
12°
5°
18 rainy days|0 snow days|3.5 hrs sun|22 km/h

May brings cooler, wetter conditions as winter approaches. Expect frequent rain and fewer sunny intervals. This month is generally quieter, making it suitable for those who prefer solitude and don't mind the weather.

June

Low
10°
4°
20 rainy days|0 snow days|3 hrs sun|24 km/h

June marks the start of winter, characterized by cold, very wet, and windy weather. Daylight hours are short, and outdoor activities are best approached with proper gear and a flexible attitude.

July

Low
10°
3°
21 rainy days|0 snow days|3 hrs sun|25 km/h

July is typically the coldest and wettest month in Puerto Montt. Expect consistent rainfall, chilly temperatures, and strong winds. While challenging for outdoor pursuits, it offers a glimpse into authentic Patagonian winter life.

August

Low
11°
3°
19 rainy days|0 snow days|3.5 hrs sun|26 km/h

Towards the end of winter, August remains cold and very wet, but with a slight hint of increasing daylight. Prepare for changeable conditions, including heavy rain and strong winds, which can make travel difficult.

September

Low
13°
4°
17 rainy days|0 snow days|4.5 hrs sun|28 km/h

Spring begins in September with slowly rising temperatures and longer days, though rainfall is still very common. The landscape starts to bloom, but the weather remains unpredictable and often windy.

October

Moderate
15°
6°
15 rainy days|0 snow days|5.5 hrs sun|30 km/h

October offers more pleasant spring weather with increasing sunshine and milder temperatures. Rain showers are still frequent, but there are more clear days to enjoy the scenic beauty before the summer rush.

November

Moderate
17°
8°
13 rainy days|0 snow days|6.5 hrs sun|32 km/h

November is a transitional month leading into summer, with generally mild temperatures, longer days, and fewer rainy days. It's an excellent time to visit before the peak season crowds, enjoying the blossoming nature.

December

Peak
18°
9°
12 rainy days|0 snow days|7 hrs sun|30 km/h

December ushers in summer with the longest days and some of the warmest temperatures of the year. While generally pleasant, expect sudden changes, including strong Patagonian winds and occasional rain.

Best Time to Visit

The best time to visit Puerto Montt is during the austral summer, from December to February, when temperatures are mildest, daylight hours are longest, and rainfall is relatively lower. The shoulder months of November and March also offer pleasant weather with fewer crowds.

Worst Time to Visit

The worst time to visit Puerto Montt is typically during the winter months, from June to August. These months are characterized by cold temperatures, very heavy rainfall, strong winds, and significantly shorter daylight hours, making outdoor activities challenging and less enjoyable.

Rent a Car in Patagonia

Browse Car Rentals

Weather Warnings

Patagonian winds can be extremely strong and gusty year-round, often exceeding 60 km/h, especially near exposed areas. Be prepared for sudden changes and ensure hats and light items are secured.

Weather in Puerto Montt can change rapidly. A sunny morning can quickly turn into a rainy, windy afternoon. Always carry waterproof and windproof gear, even on seemingly clear days.

While rare in the city center, winter storms can bring occasional snowfall and icy conditions, particularly on higher ground or roads leading out of the city.

Despite frequent cloud cover, UV radiation can be high in summer. Use sunscreen, sunglasses, and hats, especially when engaging in outdoor activities.

Layering Guide

Effective layering is crucial for navigating Puerto Montt's variable climate. Start with a moisture-wicking base layer (synthetic or merino wool) to keep dry. Add an insulating mid-layer like fleece or down for warmth. Your outer layer should always be a waterproof and windproof jacket, preferably breathable. For your lower body, consider convertible pants or waterproof trousers over a base layer if hiking in wet conditions. Always carry a warm hat, gloves, and waterproof footwear.

Rent a Car in Patagonia

Explore this destination at your own pace. Find the perfect rental car for your Patagonia adventure.

Pickup Date
Drop-off Date

Explore More

Discover more guides and resources for this destination

Explore More Guides

View all →

Aluminé Weather Guide (2026) — Monthly Climate, Temperatures & Best Time

Carretera Austral Weather Guide (2026) — Monthly Climate, Temperatures & Best Time

Caviahue-Copahue Weather Guide (2026) — Monthly Climate, Temperatures & Best Time

Chaitén Weather Guide (2026) — Monthly Climate, Temperatures & Best Time

Chile Chico Weather Guide (2026) — Monthly Climate, Temperatures & Best Time

Chiloé Island Weather Guide (2026) — Monthly Climate, Temperatures & Best Time

Frequently Asked Questions

How cold does it get in winter in Puerto Montt?

Winter temperatures typically range from average lows of 3-5°C to average highs of 9-11°C. While not extremely cold by some standards, the consistent rain and strong winds make it feel much colder, necessitating proper warm and waterproof attire.

Is it always raining in Puerto Montt?

Puerto Montt is known for its high annual rainfall, and it can rain on many days of the year, especially in winter. However, there are drier periods, particularly during the summer months (December to February), when rainfall is less frequent and lighter, though still possible.

What kind of winds can I expect in Puerto Montt?

Puerto Montt experiences strong Patagonian winds throughout the year, with average speeds often between 20-35 km/h. Gusts can be significantly higher, sometimes exceeding 60-80 km/h, especially on exposed coasts or during stormy weather. Always be prepared for windy conditions.

Can I see snow in Puerto Montt?

While the city of Puerto Montt itself rarely sees significant snowfall due to its coastal location and relatively mild winter temperatures, it's not unheard of for a light dusting during the coldest winter months (July-August). Snow is much more common in the nearby Andes mountains and higher elevations.

What activities are best for wet weather in Puerto Montt?

On rainy days, you can explore the Angelmó fish market, visit the Juan Pablo II Cathedral, or discover the city's museums. Many tour operators offer excursions to nearby attractions that are beautiful even in the rain, like Petrohué Falls or the Vicente Pérez Rosales National Park, provided you have proper gear.

How much daylight does Puerto Montt get?

Being in the Southern Hemisphere, Puerto Montt experiences very long daylight hours in summer (up to 15-16 hours in December/January) and very short days in winter (as little as 8-9 hours in June/July). This significantly impacts outdoor planning.

Puerto Montt

|