San Antonio, Texas, United States in January

January16°C average high

January has some of the coolest average daytime highs of the year, so pack for fresher conditions.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

January38mm average rain

January is one of San Antonio's driest months, making outdoor days easier to plan than in wetter parts of the year.

Driest monthsJanuary to April, July to August, and November to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

January5 hours average sun

January is one of San Antonio's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsJune to August

This stretch has the strongest sunshine in the monthly averages.

January36 weather score

January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsApril to October

These months have the strongest weather score in the monthly averages.