Climate Insights for Osorno

The climate in Osorno is temperate. The average annual temperature is 11°C and approximately 1422mm of precipitation falls per year. Osorno receives a notable amount of rainfall throughout the year, including during its driest month. Osorno 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, June, August, when temperatures can drop to 4°C.

Osorno sees moderate temperature variation throughout the year, ranging from 4°C to 23°C. February is the warmest month, though highs remain moderate at 23°C with a mean of 16°C. July is the coolest month, with minimum temperatures around 4°C and an average of 6°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.

Osorno is a fairly wet location, receiving approximately 1422mm of precipitation annually, which averages out to around 119mm per month. The wettest month is June, averaging 230mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 30mm. That's 200mm less than June, 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.

Osorno is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 9km/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.

It is currently winter in Osorno, which began on June 21, 2026. Osorno 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 23°C, while the coldest stretch bottoms out in July near 4°C. Spring is next, beginning on September 23, 2026 (9 days from now).

The best time to visit Osorno is during January and February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 32mm per month. By contrast, July can be quite cold with temperatures dropping to 4°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Osorno 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.