San Martín Weather & Climate: Best Time to Visit

In San Martín, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 22°C (72°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 12°C (54°F) in August to 1°C (34°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

San Martín experiences significant rain/snowfall throughout the year, averaging 1244 mm (49 in) of precipitation annually. San Martín experiences moderate seasonal variation in rainfall, with monthly averages ranging from 125 mm (4.9 in) in May, the wettest month, and 74 mm (2.9 in) in July, the driest month. For more details, please visit our 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

San Martín can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 5.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

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

The city experiences its highest humidity in August, reaching 80%. In March, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year