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San Antonio Weather in December

December in San Antonio typically sees daytime highs of 21°C (70°F) and nighttime lows of 13°C (55°F). Minimal rainfall is typical for this month.

Rainfall in San Antonio in December

Past climate data indicates that roughly 2 days will see rain, totalling around 3.7 mm (0.1 in) for the month. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in San Antonio in December

If you're visiting San Antonio in December, expect perfect temperatures with highs of 21°C (70°F) and overnight lows of 13°C (55°F). Conditions are often most pleasant around the middle of the day. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in San Antonio in December

Expect sunny days throughout the month, with an estimated 265 hours of sunshine. This makes it a pleasant time to visit San Antonio.

If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit San Antonio.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Chile, check out our San Antonio's climate page.

San Antonio Temperature in December

Min TemperatureMin Temperature 13°C (55°F)  
Max TemperatureMax Temperature 21°C (70°F)  
Chance of RainChance of Rain 6%  
PrecipitationPrecipitation 3.7 mm (0.1 in)  
Rainy daysRainy days 2 days  
HumidityHumidity 70% *  
SunshineSunshine 265 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Valparaíso, Chile (59 KM, 37 Miles).

Best Places in Chile in December

Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in December →

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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 (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in San Antonio in December

Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Dry conditions mean you won't need to worry about rain protection. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in San Antonio in December

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

Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
10/10
Outdoor sports
10/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Chile, check out our San Antonio's climate page.

More climate data for San Antonio