San Antonio Weather January 2025 Averages , San Antonio Weather January 2025 Averages. See all nearby weather stations. January 2025 weather history in san antonio texas mexico. San antonio experiences mild temperatures in january, with an average temperature of around 52.5°f (11.4°c). In san antonio during january average daily high temperatures increase from 63°f to 65°f and it is overcast or mostly cloudy about 45% of the time. San Antonio Weather January 2025 Averages Images References : 2025
San Antonio Weather January 2025 Averages. See all nearby weather stations. January 2025 weather history in san antonio texas mexico. San antonio experiences mild temperatures in january, with an average temperature of around 52.5°f (11.4°c). In san antonio during january average daily high temperatures increase from 63°f to 65°f and it is overcast or mostly cloudy about 45% of the time.