The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
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 excellent 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.
San Antonio Temperature in December
Min Temperature
13°C (55°F)
Max Temperature
21°C (70°F)
Chance of Rain
6%
Precipitation
3.7 mm (0.1 in)
Rainy days
2 days
Humidity
70% *
Sunshine
265 hours *
Percentage Sunshine
*
* Data from: Valparaíso, Chile (59 KM, 37 Miles).
San Antonio Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Antonio - and find the best time to visit.
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 →
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.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
San Antonio 3-Day Forecast
More climate data for San Antonio
Temperature Rainfall Sunshine Humidity
See the full San Antonio climate overview or explore weather in Chile.
Popular in December
Where to go in December - average daytime high across popular destinations.
Santiago
26°C (79°F) San Pedro de Atacama
25°C (77°F) La Serena
23°C (73°F) Hanga Roa24°C (75°F) Viña del Mar20°C (68°F) Pucón
19°C (66°F) Valparaíso19°C (66°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
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