SantʼAntonio Weather & Climate: Best Time to Visit

The climate in SantʼAntonio is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, the warmest time of the year, to a chilly 4°C (39°F) during cooler months like January.

At night, you can expect temperatures ranging from 13°C (55°F) in July to around -5°C (23°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

SantʼAntonio has a notably wet climate with abundant precipitation, recording 1576 mm (62 in) of rain/snowfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 169 mm (6.7 in) of precipitation, recorded across 13 rainy days. In contrast, the driest month January brings less snow/rainfall, with 70 mm (2.8 in) over 13 snowy/rainy days. For more details, please visit our SantʼAntonio Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in SantʼAntonio. While July receives considerable daily sunshine with up to 8.9 hours, November marks the darkest time of the year, where sunshine is scarce with only 3.7 hours of sunlight per day.

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 SantʼAntonio.

The city experiences its highest humidity in October, reaching 75%. In March, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year