Get the monthly weather forecast for San Antonio, TX, including daily high/low, historical averages, to help you plan ahead.

December weather in San Antonio Texas, United States. Daily high temperatures decrease by 5°F, from 68°F to 63°F, rarely falling below 48°F or exceeding 79°F.

Get the monthly weather forecast for San Antonio Central, TX, including daily high/low, historical averages, to help you plan ahead.

There is a 55% chance of a perfect sunny day and a 45% chance of seeing some clouds, with on average 17mm of rainfall this month.

In San Antonio Texas during December average daily high temperatures decrease from 77°F to 74°F and it is overcast or mostly cloudy about 46% of the time.

San Antonio, Texas enjoys mild weather during December. Although there can be a few nights of frost, most days are balmy.

San Antonio Weather History for December 1, 2022 ; 50 °F · Light rain. Low clouds. 3 mph ...

December weather forecast in San Antonio ; 1 December. Sunday. +18° ; 2 December. Monday. +19° ; 3 December. Tuesday. +18° ; 4 December. Wednesday. +15° ; 5 December.

The weather in San Antonio in December is mildly cool and breezy, with average highs of 72°F (22°C) and lows of 54°F (12°C).