San Antonio Weather in August

August in San Antonio brings moderate temperatures around 15°C (59°F) during the day, dropping to 8°C (46°F) at night, with quite a bit of rainfall expected, averaging around 63 mm (2.5 in) for the month.

Rainfall in San Antonio in August

You can typically expect 3 days of rain this month, averaging around 63 mm (2.5 in). Although rain is not especially frequent, individual showers can still be quite heavy.

Temperature in San Antonio in August

If you're visiting San Antonio in August, expect highs of 15°C (59°F) and overnight lows around 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in San Antonio in August

The month brings about 119 hours of sunlight, offering a comfortable mix of sun and overcast.

If you prefer dry days with pleasant temperatures, January, February, March, April, October, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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 August

Min Temperature 8°C (46°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 11%  

Precipitation 63 mm (2.5 in)  

Rainy days 3 days  

Humidity 78% *  

Sunshine 119 hours *  

Percentage Sunshine *  

* Data from: Valparaíso, Chile (59 KM, 37 Miles).

What to Wear in San Antonio in August

The weather can be unpredictable in August, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in San Antonio in August

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

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

Temperature Rainfall Sunshine Humidity

See the full San Antonio climate overview or explore weather in Chile.