Climate Insights for Calbuco

The climate in Calbuco is warm and mild. The average annual temperature is 25°C and approximately 234mm of precipitation falls per year. August is the wettest month, receiving around 33mm of rainfall. Calbuco 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: April, May, March. The coldest months are December, November, October, when temperatures can drop to 20°C.

Calbuco has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is April, when average highs reach 28°C and the mean temperature sits around 28°C. December is the coolest month, with minimum temperatures around 20°C and an average of 21°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Calbuco is a quite dry location, receiving approximately 234mm of precipitation annually, which averages out to around 19mm per month. The wettest month is January, averaging 33mm of rainfall. February and August also tend to see above-average precipitation. The driest month is March, with just 3mm. That's 30mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Calbuco is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.

It is currently winter in Calbuco, which began on June 21, 2026. Calbuco 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 April at around 28°C, while the coldest stretch bottoms out in December near 20°C. Spring is next, beginning on September 23, 2026 — 21 days from now.

The best time to visit Calbuco is during January, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 20mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 28°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Calbuco 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.