Osorno Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Osorno.

Climate overview of Osorno

Osorno, Los Lagos, Chile, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in February, while winters cool to 12°C (54°F) in July.

With around 1545 mm (61 in) of annual rainfall, Osorno has a notably wet climate. However, this rainfall is not evenly distributed — the city has a distinct rainy season from May to August, with warm summers and cold winters. The wettest month is June.

Osorno Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Osorno - and find the best time to visit.

Monthly Temperature in Osorno

Depending on the time of the year, temperatures range from comfortable to chilly in Osorno. Average daytime temperatures reach a comfortable 23°C (73°F) in February. In July, the coolest month of the year, temperatures drop to a chilly 12°C (54°F).

At night, temperatures range from around 10°C (50°F) in February to 3°C (37°F) in July.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Osorno

Osorno has a relatively rainy climate with high precipitation levels, averaging 1545 mm (61 in) of rainfall annually. Osorno can be quite wet during June, receiving approximately 248 mm (9.8 in) of precipitation over 12 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 43 mm (1.7 in) of precipitation spread across 3 rainy days. For more details, please visit our Osorno Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Humidity in Osorno by Month

Best Time to Visit Osorno

For comfortable weather, consider visiting Osorno in January, February, March and December. Conditions are usually least favourable in May, June, July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: January, February, March and December
  • Warmest weather: January and February
  • Fewer rainy days: January, February, March, November and December
  • Wettest months: May, June, July, August and September, when rainfall is highest.
  • Seasonal pattern: A distinct rainy season from May to August, with warm summers and cold winters

Frequently asked questions about the climate in Osorno

What is the best time to visit Osorno?

January, February, March and December typically offer the most optimal weather in Osorno. In contrast, May, June, July and August tend to have less optimal conditions. Osorno has a distinct rainy season from May to August, with warm summers and cold winters.

What temperatures can I expect in Osorno?

Daytime highs range from 12°C (54°F) in July to 23°C (73°F) in February. Nighttime lows range from 3°C (37°F) to 10°C (50°F). Temperatures vary considerably through the year.

How much rain does Osorno get?

Annual rainfall is around 1545 mm (61 in). June is the wettest month with 248 mm (9.8 in), while January is the driest with 43 mm (1.7 in).

Osorno 3-Day Forecast

Osorno 3-Day Forecast

Osorno on the map

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