Libertador General San Martín Weather & Climate: Best Time to Visit

In Libertador General San Martín, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in December to a pleasant 20°C (68°F) in the coolest month, June.

Nights vary from 19°C (66°F) in December to around 6°C (43°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Libertador General San Martín experiences significant rainfall throughout the year, averaging 1810 mm (71 in) of precipitation annually. The climate in Libertador General San Martín shows significant variation throughout the year. Expect heavy rainfall in February, the wettest month, with an average of 279 mm (11 in) of precipitation over 12 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 29 mm (1.1 in) of rainfall over 2 rainy days. For more details, please visit our Libertador General San Martín Precipitation page.

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

The average number of days each month with precipitation

Libertador General San Martín offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between October (7.2 hours daily) and April (4.8 hours daily) provides a bit of variety for visitors and residents.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Libertador General San Martín.

The city experiences its highest humidity in March, reaching 82%. In September, the humidity drops to its lowest level at 52%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year