ClimateForecastDecemberJanuary >>

San Antonio Climate by Month

The temperature in San Antonio can vary greatly throughout the year. The temperatures shift from warm to mild. It typically sees modest rainfall throughout the year. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to moderate in San Antonio. Typically, daytime temperatures range from a comfortable 29°C in January to a moderate 14°C in the coolest month, July. Nights are cooler, with temperatures generally dropping to 4°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

With annual rainfall averaging 311 mm, San Antonio maintains relatively low precipitation levels throughout the seasons. San Antonio offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between March (33 mm) and December (17 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

The mean monthly precipitation over the year, including rain, hail and snow

Average water temperature

The mean water temperature over the year in San Antonio ranges from 10°C in August to 18°C in January.

Water temperature over the year

The best time of year to visit San Antonio in Argentina

During the months of March, April, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does San Antonio have a dry season?
    Yes, the months of August and December are very dry.
  • Which is the warmest month in San Antonio?
    January has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in San Antonio?
    The coldest month is July with an average maximum temperature of 14°C.
  • Which is the wettest month in San Antonio?
    March tops the wettest month list with 33 mm of rainfall.
  • Which is the driest month in San Antonio?
    December is the driest month with 17 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for San Antonio

    Wed   Dec 11
    21°C | 15°C
    SE 32 km/h
    12 mm
    broken clouds and thunder

    broken clouds and thunder

    Thu   Dec 12
    26°C | 14°C
    SE 14 km/h
    0.3 mm
    partly cloudy and  chance of slight rain

    partly cloudy and chance of slight rain

    Fri   Dec 13
    22°C | 15°C
    S 29 km/h
    broken clouds and no rain

    broken clouds and no rain