Last updated: June 24, 2025
In October, the average temperature in Santa Clara, United States is a mild 15°C (60°F). Visitors can expect temperatures to range from a chilly -3°C (26°F) to a warm 29°C (85°F). During this month, the region experiences an average precipitation of 24 mm (1.0 in) over approximately 3 days, coupled with a comfortable average humidity of 72%.
In October in Santa Clara, the average temperature is 15°C (60°F). The maximum can reach 29°C (85°F), and the minimum can be as low as -3°C (26°F). This range makes it essential to pack both light and warm clothing for a comfortable travel experience.
In Santa Clara in October, the total precipitation amount is 24 mm (1.0 in) accumulated over a period of 3 days.
In Santa Clara in October humidity is 72%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace, creating a slightly muggy atmosphere that can make strolling around a bit sticky. Travelers might find themselves longing for a refreshing breeze, and it’s advisable to stay hydrated while exploring local sights.
In Santa Clara in October, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Santa Clara.
UV Risk Categories
Weather in Santa Clara varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Santa Clara, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 33 mm (1.3 inches) | 81% | moderate |
| February Weather | 6°C (42°F) | 41 mm (1.6 inches) | 82% | very high |
| March Weather | 10°C (50°F) | 28 mm (1.1 inches) | 68% | very high |
| April Weather | 15°C (59°F) | 5 mm (0.2 inches) | 55% | extreme |
| May Weather | 19°C (67°F) | 6 mm (0.2 inches) | 45% | extreme |
| June Weather | 25°C (76°F) | 14 mm (0.5 inches) | 37% | extreme |
| July Weather | 24°C (76°F) | 82 mm (3.2 inches) | 43% | extreme |
| August Weather | 23°C (74°F) | 47 mm (1.9 inches) | 53% | extreme |
| September Weather | 20°C (69°F) | 43 mm (1.7 inches) | 66% | extreme |
| October Weather | 15°C (60°F) | 24 mm (1.0 inches) | 72% | very high |
| November Weather | 10°C (50°F) | 31 mm (1.2 inches) | 81% | high |
| December Weather | 5°C (41°F) | 30 mm (1.2 inches) | 84% | moderate |