Menu

Weather in San Antonio in December

View all deals
temperature
Temp

13° C

average

rain
Rain

17 mm

per month

sun
Sun

55 %

chance

humidity
Humidity

80 %

average

What’s the weather like in San Antonio in December?

In December, San Antonio experiences mild and comfortable weather, making it a pleasant time to visit the city. The climate in San Antonio is classified as a humid subtropical climate, meaning that it offers relatively warm temperatures during the winter months.

Average daily temperatures

The average daily temperatures in San Antonio in December range from around 45°F (7°C) to 65°F (18°C). However, it is important to note that temperatures can vary considerably throughout the month, with some days being colder and others warmer.

Sunshine and rainfall

December in San Antonio typically sees an average of 7 hours of sunshine per day, providing plenty of daylight for outdoor activities. However, it is advisable to check the weather forecast before making any plans, as occasional rainfall is common during this time of year.

The city receives an average of 2.2 inches (56 mm) of rainfall spread across 7 days in December. While this amount of rainfall is relatively low compared to other seasons, it is still recommended to carry an umbrella or raincoat when exploring the city.