What is the best time to visit Osorno?

The best time to visit Osorno for pleasant weather and outdoor activities is during summer, from December to March. The shoulder seasons of October-November (spring) and April (autumn) also offer good conditions with fewer tourists.

How windy does it get in Osorno?

Osorno, like much of Patagonia, can be very windy. Average wind speeds range from 20-38 km/h, but gusts can frequently exceed 60 km/h, especially in spring and summer. A windproof outer layer is always recommended.

Does it snow in Osorno?

Snowfall is rare within Osorno city itself, occurring perhaps once or twice a winter (June-August). However, the surrounding higher elevations and Andean foothills receive more consistent snow, making them ideal for winter sports.

What kind of clothes should I pack for Osorno?

Packing layers is crucial. Include moisture-wicking base layers, insulating mid-layers (fleece/sweaters), and a waterproof, windproof outer shell. Sturdy waterproof footwear is a must. Don't forget a warm hat, gloves, and sun protection, even on cloudy days.

Is Osorno very rainy?

Yes, Osorno is known for its high rainfall, particularly during the autumn and winter months (April-August), where it can rain on 14-21 days per month. Even in summer, occasional rain showers are common, so a waterproof jacket or umbrella is always wise.

What are the summer temperatures like in Osorno?

Summer temperatures in Osorno (December-February) are mild and pleasant, with average highs ranging from 21-22°C and average lows between 9-10°C. While generally comfortable, be prepared for cooler evenings and the possibility of strong winds.

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Weather Guide: Osorno

Detailed weather data for Osorno: monthly temperatures, rainfall, wind, and a complete packing guide for every season.

Updated for 2025–2026 Season

8 min read

Climate: Temperate Oceanic (Cfb)Elevation: 39m

Full guide to Osorno →

Overview

Osorno's climate is primarily influenced by its proximity to the Pacific Ocean and the Andes mountains. Summers (December-February) are pleasantly mild with occasional warm days, offering the driest period. Autumn and spring are transitional, bringing increased rainfall and cooler temperatures. Winters (June-August) are cold, very wet, and often overcast, with some snowfall possible, making outdoor activities challenging. Wind is a consistent factor throughout the year.

Monthly Weather

Month	High / Low	Rain	Snow	Sun	Wind	Crowd
January	22° 10°	8d	0d	9h	35 km/h	Peak
February	21° 9°	7d	0d	8h	30 km/h	High
March	19° 8°	10d	0d	7h	28 km/h	Moderate
April	15° 6°	14d	0d	5h	25 km/h	Moderate
May	12° 4°	18d	0d	3h	20 km/h	Low
June	10° 2°	20d	1d	2h	22 km/h	Low
July	9° 1°	21d	2d	2h	25 km/h	Low
August	10° 2°	19d	1d	3h	28 km/h	Low
September	13° 4°	15d	0d	5h	30 km/h	Moderate
October	16° 6°	12d	0d	7h	32 km/h	Moderate
November	19° 8°	9d	0d	8h	35 km/h	Moderate
December	21° 10°	8d	0d	9h	38 km/h	High

January

Peak

22°

10°

8 rainy days|0 snow days|9 hrs sun|35 km/h

January is the peak of summer in Osorno, offering the warmest temperatures and relatively drier conditions. It's an ideal month for exploring the surrounding natural beauty, though occasional rain showers can still occur. Expect long daylight hours.

February

High

21°

9°

7 rainy days|0 snow days|8 hrs sun|30 km/h

February continues the pleasant summer weather, though with a slight decrease in temperatures and sunshine hours compared to January. It remains an excellent time for outdoor activities, with mild days and cool, comfortable nights. Winds can still be brisk.

March

Moderate

19°

8°

10 rainy days|0 snow days|7 hrs sun|28 km/h

As autumn begins, temperatures start to cool, and rainfall increases noticeably. March offers a beautiful transition with changing foliage, but be prepared for more overcast days and an increased chance of rain. Days are still pleasant for sightseeing.

April

Moderate

15°

6°

14 rainy days|0 snow days|5 hrs sun|25 km/h

April brings cooler temperatures and significantly more rain, marking the full arrival of autumn. The landscape is lush and green, but outdoor activities will require proper rain gear. Expect crisp mornings and noticeably shorter daylight hours.

May

Low

12°

4°

18 rainy days|0 snow days|3 hrs sun|20 km/h

May is a chilly and very wet month, signaling the approach of winter. Expect frequent rainfall, overcast skies, and cold temperatures, especially during the mornings and evenings. Outdoor exploration becomes more challenging due to the constant dampness.

June

Low

10°

2°

20 rainy days|1 snow days|2 hrs sun|22 km/h

June is the beginning of winter, bringing the coldest temperatures and some of the highest rainfall. Days are short, and skies are often grey. While snow is rare in the city center, higher elevations nearby may see more accumulation.

July

Low

9°

1°

21 rainy days|2 snow days|2 hrs sun|25 km/h

July is the heart of winter in Osorno, characterized by very cold temperatures, persistent heavy rain, and the highest chance of snow, particularly in the surrounding hills. Sunshine is minimal, and conditions are often raw and damp, limiting outdoor activities.

August

Low

10°

2°

19 rainy days|1 snow days|3 hrs sun|28 km/h

August sees a slight moderation in winter's grip, with temperatures beginning a slow climb, though still cold and very wet. Rainfall remains high, but sunshine hours marginally increase towards the end of the month. Expect typical winter conditions.

September

Moderate

13°

4°

15 rainy days|0 snow days|5 hrs sun|30 km/h

Spring officially arrives in September, bringing gradually rising temperatures and increasing sunshine. While rainfall is still significant, the days feel brighter and longer. The landscape begins to awaken with new growth. Winds can be strong.

October

Moderate

16°

6°

12 rainy days|0 snow days|7 hrs sun|32 km/h

October is a beautiful spring month with increasingly mild temperatures and more frequent sunny spells. While still prone to rain, conditions become much more favorable for outdoor activities. The region's flora is in full bloom.

November

Moderate

19°

8°

9 rainy days|0 snow days|8 hrs sun|35 km/h

November is late spring, leading into summer, with pleasant and mild conditions. Rainfall continues to decrease, and sunshine hours are extensive, making it an excellent time for exploration before the peak summer crowds. Winds can be quite noticeable.

December

High

21°

10°

8 rainy days|0 snow days|9 hrs sun|38 km/h

December marks the beginning of summer, offering warm and relatively dry weather, ideal for exploring Osorno and its surroundings. Days are long and pleasant, though strong winds are common. This is the start of the tourist high season.

January

Packing Tips: Light layers, t-shirts, shorts, a light jacket for evenings, sunglasses, sun hat, and sunscreen. A light waterproof jacket is still advisable for unexpected showers.

February

Packing Tips: Similar to January: light clothing, a medium-weight jacket, sunglasses, and good walking shoes. A compact umbrella or light rain shell is useful.

March

Packing Tips: Layered clothing is essential: long-sleeved shirts, sweaters, a warm waterproof jacket, and sturdy waterproof footwear. A scarf can be useful on cooler days.

October

Packing Tips: Medium-weight layers, including a fleece or sweater, a waterproof and windproof jacket, and comfortable walking shoes or light hiking boots. Sunglasses and sun protection are advisable.

November

Packing Tips: Light to medium layers, t-shirts, a light sweater or fleece, and a waterproof windbreaker. Don't forget sunscreen, sunglasses, and a hat as UV index rises.

December

Packing Tips: Summer clothing with layers: t-shirts, shorts, light pants, a light sweater or fleece for evenings, a windproof jacket, sun protection, and comfortable walking shoes. A compact umbrella or light rain jacket.

Best Time to Visit

The best time to visit Osorno is during the summer months from December to March, when temperatures are mildest and rainfall is at its lowest. October and November also offer pleasant spring weather with fewer crowds, making them excellent shoulder season options.

Worst Time to Visit

The worst time to visit Osorno, particularly for outdoor activities, is during the winter months from June to August. These months are characterized by cold temperatures, extremely high rainfall, strong winds, minimal sunshine, and the highest chance of snow, making conditions often damp and uncomfortable.

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Weather Warnings

Patagonian Winds: Osorno experiences strong winds year-round, particularly during spring and summer (October-March), which can significantly impact outdoor activities and make mild temperatures feel colder. Gusts can reach up to 60-80 km/h.

Rapid Weather Changes: Weather in Osorno can change very quickly, from sunshine to rain or vice versa, within hours. Always be prepared for all four seasons in one day.

Heavy Rainfall: Winter months (June-August) bring exceptionally heavy and persistent rainfall, leading to very wet conditions.

UV Radiation (Summer): Despite moderate temperatures, the Southern Hemisphere's ozone layer can lead to high UV levels in summer (December-February). Sun protection is crucial.

Cold and Damp Winters: Winters are consistently cold, wet, and often overcast, which can lead to discomfort without proper gear.

Layering Guide

Dressing in layers is paramount for Osorno's variable climate. Start with a moisture-wicking base layer (synthetic or merino wool). Add an insulating mid-layer like a fleece or wool sweater. Your outer layer should be a waterproof and windproof shell jacket, ideally breathable. For bottoms, quick-drying hiking pants are good, with waterproof over-pants for heavy rain. Always carry a warm hat, gloves, and a neck gaiter, even in summer, as temperatures can drop and winds can be piercing. Sturdy, waterproof hiking boots are essential year-round.

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Osorno