San Antonio Monthly Climate Overview
San Antonio
San Antonio experiences distinct seasonal variations throughout the year. The warmest month is August with average daily highs around 36°C, while the coolest month is January with average daily highs around 18°C.
Winter (Jan-Mar) brings average daily highs around 21°C. Spring (Apr-Jun) brings average daily highs of 31°C. Summer (Jul-Sep) is the warmest season with average daily highs around 35°C. Autumn (Oct-Dec) transitions to average daily highs of 23°C.
Winter (Jan-Mar) brings average daily highs around 21°C. Spring (Apr-Jun) brings average daily highs of 31°C. Summer (Jul-Sep) is the warmest season with average daily highs around 35°C. Autumn (Oct-Dec) transitions to average daily highs of 23°C.
Table View
Click on months for detailed climate statistics
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
San Antonio | 18°C | 20°C | 24°C | 27°C | 31°C | 34°C | 35°C | 36°C | 33°C | 29°C | 23°C | 19°C |
Monthly Details
Other cities in United States
Destination Weather Guides
Explore detailed monthly weather forecasts for popular travel destinations worldwide in WhereWeather Blog. Plan your trips with confidence using our comprehensive climate analysis.