Weather in San Marcos in October
San Marcos, United States averages a high of 23.8°C (74.8°F) and low of 13.6°C (56.5°F) in October, with 2 rain days and 10.6 hours of daily sunshine. Travel score: 92.7/100 (Excellent). The best time to visit San Marcos is August.
High
24°C75°F
Low
14°C56°F
🌧️
2
rain days
☀️
10.6
hrs/day sunshine
💧
68%
humidity
93— Excellent
October in San Marcos is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in San Marcos?
How much does it rain in San Marcos in October?
San Marcos receives an average of 16.5mm of rainfall across 2 rainy days in October. The annual total is 354.1mm.
What should I pack for San Marcos in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 24°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in October?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare San Marcos
Popular comparisons:
How can I plan my trip to San Marcos?
What other cities are near San Marcos?
What are other popular cities in United States?
What is the weather like in other months in San Marcos?
Data based on 1994–2024 averages · Last updated: 2024-12-31