San Marcos
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San Marcos Weather in October

October in San Marcos averages 28°C (82°F) during the day and 15°C (59°F) at night. Quite a bit of rainfall is typical this month, with around 126 mm (5 in) on average. An umbrella is a good idea.

Rainfall in San Marcos in October

Historically, the month has about 7 days of rain, averaging 126 mm (5 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in San Marcos in October

October in San Marcos brings typical temperatures with highs around 28°C (82°F) and lows of 15°C (59°F). Overall, the month follows a fairly predictable daily temperature pattern. At 15°C (59°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 Marcos in October

There are approximately 216 hours of sunshine this month, resulting in mostly clear days.

If you prefer enjoying temperate temperatures and rain-free days, March, April and November 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.

San Marcos Temperature in October

Min Temperature
15°C (59°F)
Max Temperature
28°C (82°F)
Chance of Rain
23%
Precipitation
126 mm (5 in)
Rainy days
7 days
Humidity
67% *
Sunshine
216 hours *
Percentage Sunshine
61% *
* Data from: Austin, the United States of America (51 KM, 32 Miles).

San Marcos Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in San Marcos - and find the best time to visit.

Best Places in the United States of America in October

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →

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 Marcos in October

Warm but pleasant conditions in San Marcos in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in San Marcos in October

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

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

San Marcos 3-Day Forecast

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.