San Antonio weather in December (Texas, United States of America)

Planning a trip to San Antonio in December? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In December, San Antonio typically experiences pleasant temperatures and moderate rainfall. December falls within the winter season. Anticipate daytime temperatures around 18°C, while night temperatures can drop to 6°C.

San Antonio in December usually receives moderate rainfall, averaging around 34 mm for the month. It is the driest month of the year. For those who prefer outdoor activities, it's a great time to explore without the huge concern of sudden downpours. Delving into the climate records from the past 30 years, one can predict that nearly 8 days of the month will see rainfall.

The city usually sees around 151 hours of sunlight, indicating a moderately sunny period.

If your ideal day consists of dry skies and moderate temperatures February, March, April, October and November generally stand out with the best circumstances. While August tends to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized San Antonio climate page with graphs.

 

San Antonio, monthly averages in December

Min TemperatureMin Temperature 6°C  
Max TemperatureMax Temperature 18°C  
Chance of RainChance of Rain 25%  
PrecipitationPrecipitation 34 mm  
Rainy daysRainy days 8 days  
HumidityHumidity 67%  
SunshineSunshine 151 hours  
Percentage SunshinePercentage Sunshine 47%  

Where to go in the United States of America in December

Find out more about the weather in the United States of America in December and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in San Antonio in December?

For visitors traveling to San Antonio, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Swimming
6/10
Cycling
10/10
Walking
10/10
Barbeque
7/10
Camping
5/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in San Antonio.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.