Find 29 hotels in San Antonio

When is the Best Time to Explore San Antonio?

If you're wondering when is the best time of year to explore San Antonio, you may find this information about seasonal weather helpful when planning your trip. The warmest months in San Antonio are typically October and November, whereas the coldest months are usually July and June. The months with the most rain are January and February, whereas June and July have the least.

Here's an overview on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 20°C and at night it is 9°C. Seasonal average rainfall is 666 mm.
• If you visit between April and June, you can expect an average temp of 20°C during the day and 7°C at night. Average rainfall during this season is 138 mm.
• The daytime average temp from July to September is 21°C and the night-time average is 6°C. Average precipitation for this season is 78 mm.
• Between October and December, the average temp during the day is 21°C and 9°C at night. Seasonal average rain is 434 mm.
• Average annual rainfall in San Antonio is 1316 mm.