San Antonio Weather in January

January in San Antonio brings pleasant temperatures, with daytime highs of 22°C (72°F) and nights around 14°C (57°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.

Rainfall in San Antonio in January

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans. This month experiences about 2 days of rain according to historical data, averaging 0.9 mm (0.04 in). When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in San Antonio in January

San Antonio in January has excellent weather. Days reach 22°C (72°F) and nights cool to 14°C (57°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. On average, it has the peak temperatures of the year.

Sunshine in San Antonio in January

Expect sunny days throughout the month, with an estimated 280 hours of sunshine. This makes it a pleasant time to visit San Antonio.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, October, November and December typically offer the best weather for San Antonio.