San Antonio Weather & Climate: Best Time to Visit
San Antonio, Balearic Islands, Spain, experiences significant temperature variation throughout the year. Summers bring daytime highs of 31°C (88°F) in August, while winters cool to 16°C (61°F) in February.
Rainfall is modest, totalling around 350 mm (14 in) annually. The city experiences a distinct dry season from December to August. November tends to be the wettest month. The sunniest month is July, with 11.3 hours of sunshine per day on average.
Monthly Temperature in San Antonio
Depending on the time of the year, temperatures range from very warm to moderate in San Antonio. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a moderate 16°C (61°F) during cooler months like February.
At night, you can expect temperatures ranging from 25°C (77°F) in August to around 11°C (52°F) during February.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in San Antonio
With annual rainfall averaging 350 mm (14 in), San Antonio maintains relatively low precipitation levels throughout the seasons. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives moderate rainfall, averaging 51 mm (2 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month July brings less rainfall, with 3.3 mm (0.1 in) over 3 rainy days. For more details, please visit our San Antonio Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in San Antonio
Seasonal changes in sunshine hours are quite dramatic in San Antonio. While July receives considerable daily sunshine with up to 11.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 5.1 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
Water Temperature in San Antonio
The mean water temperature over the year ranges from 14°C (57°F) in February to 26°C (79°F) in August.
Water temperature over the year
Humidity in San Antonio by Month
The relative humidity is high throughout the year in San Antonio.
The city experiences its highest humidity in January, reaching 75%. In July, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
San Antonio 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit San Antonio
During the months of March, April, May, June, September, October and November, San Antonio enjoys pleasant weather with average temperatures ranging from 18°C (65°F) to 28°C (83°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 9 mm (0.4 in) in June to 51 mm (2 in) in November. This means you can expect a mix of sunny days and occasional showers. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
