San Marcos Weather in August

During August, San Marcos experiences extremely high daytime temperatures of 37°C (99°F) and cooler nights around 23°C (73°F). Some rainfall is typical during this period.

Rainfall in San Marcos in August

Typically, you can expect about 7 days of rain this month, with 41 mm (1.6 in) on average. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.

Temperature in San Marcos in August

August in San Marcos brings extremely high temperatures, with highs of 37°C (99°F) and nights around 23°C (73°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With overnight lows of 23°C (73°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.

Sunshine in San Marcos in August

Expect a lot of sunshine this month, with about 298 hours of sun. These sunny conditions add to the overall experience.

If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit San Marcos. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit the United States of America, check out our San Marcos's climate page.

San Marcos Temperature in August

Min Temperature 23°C (73°F)  

Max Temperature 37°C (99°F)  

Chance of Rain 23%  

Precipitation 41 mm (1.6 in)  

Rainy days 7 days  

Humidity 64% *  

Sunshine 298 hours *  

Percentage Sunshine 73% *  

* Data from: Austin, the United States of America (51 KM, 32 Miles).

What to Wear in San Marcos in August

Hot weather in August means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in San Marcos in August

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

Swimming

10/10

Camping

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 the United States of America, check out our San Marcos's climate page.

More climate data for San Marcos

Temperature Rainfall Sunshine Humidity

See the full San Marcos climate overview or explore weather in the United States of America.