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San Marcos Weather in July

San Marcos in July averages 29°C (84°F) during the day and 17°C (63°F) at night. Minimal rainfall is typical for this time of year.

Rainfall in San Marcos in July

Records from the past 30 years suggest around a single day of rain, with 3.3 mm (0.1 in) average for the month. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in San Marcos in July

The temperature in San Marcos in July is excellent. Daytime highs reach 29°C (84°F), with nights dropping to 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in San Marcos in July

Enjoy a sunny month with about 304 hours of sunshine, the clear skies make San Marcos even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July, October and November typically offer the best weather for San Marcos.

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Check the conditions for any month of the year.

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 July

Min TemperatureMin Temperature 17°C (63°F)  
Max TemperatureMax Temperature 29°C (84°F)  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 3.3 mm (0.1 in)  
Rainy daysRainy days a single day  
HumidityHumidity 75% *  
SunshineSunshine 304 hours *  
Percentage SunshinePercentage Sunshine 70% *  
* Data from: San Diego, the United States of America (47 KM, 29 Miles).

Best Places in the United States of America in July

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 July →

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Legend 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 July

Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in San Marcos in July

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

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Select a Month

Check the conditions for any month of the year.

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