Climate Overview
The climate in Puerto Montt is temperate. The average annual temperature is 11°C and approximately 2173mm of precipitation falls per year. Puerto Montt receives a notable amount of rainfall throughout the year, including during its driest month. Puerto Montt is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, December. The coldest months are July, August, June, when temperatures can drop to 5°C.
Temperature
Puerto Montt sees moderate temperature variation throughout the year, ranging from 5°C to 19°C. February is the warmest month, though highs remain moderate at 19°C with a mean of 15°C. July is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Puerto Montt is a very wet location, receiving approximately 2173mm of precipitation annually, which averages out to around 181mm per month. The wettest month is June, averaging 298mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 71mm. That's 227mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Puerto Montt is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
9 days until Spring
It is currently winter in Puerto Montt, which began on June 21, 2026. Puerto Montt is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in February at around 19°C, while the coldest stretch bottoms out in July near 5°C. Spring is next, beginning on September 23, 2026 (9 days from now).
Spring
Temperatures range from 6 to 15°C. Rainfall is heavy, totalling around 521mm across the season with a monthly average of 174mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 11 to 19°C. Precipitation is moderate at around 268mm for the season, averaging 89mm per month. Winds are generally light, averaging 12km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 8 to 17°C. Rainfall is heavy, totalling around 572mm across the season with a monthly average of 191mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 5 to 11°C. Rainfall is heavy, totalling around 811mm across the season with a monthly average of 270mm. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Puerto Montt is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 71mm per month. By contrast, July can be quite cold with temperatures dropping to 5°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Puerto Montt based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.