San Sebastián del Oeste Weather & Climate: Best Time to Visit

The climate in San Sebastián del Oeste remains fairly constant, offering comfortable temperatures throughout the year. On average, daytime temperatures range from a very warm 31°C (88°F) in May to a comfortable 26°C (79°F) in January.

Nighttime temperatures range from 19°C (66°F) in May to 11°C (52°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

San Sebastián del Oeste is known for its substantial rainfall, with annual precipitation reaching 1641 mm (65 in). The seasons in San Sebastián del Oeste bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 370 mm (15 in) of precipitation. This rainfall is distributed across 21 rainy days.

In contrast, the driest month, April, experiences much less rainfall, totaling 13 mm (0.5 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Sebastián del Oeste Precipitation page.

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

The average number of days each month with precipitation

The relative humidity is high throughout the year in San Sebastián del Oeste.

The city experiences its highest humidity in August, reaching 70%. In February, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year