Last updated: June 24, 2025
In March, the average temperature in Santa Clara, United States hovers around 10°C (50°F). Expect chilly nights with minimums dipping to -5°C (24°F), while daytime highs can reach up to 26°C (79°F). Over the month, you'll encounter about 28 mm (1.1 in) of precipitation spread across 5 days, contributing to an average humidity of 68%.
In March in Santa Clara, the average temperature is 10°C (50°F), with maximums reaching 26°C (79°F) and minimums dipping as low as -5°C (24°F). This variation in temperatures makes it essential for travelers to pack layers to stay comfortable throughout the day.
In Santa Clara in March, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.
In Santa Clara in March, humidity is 68%. With an average temperature of 10°C (50°F), this humidity feels like a chilly embrace, making travel a refreshing yet brisk experience—perfect for layering up and enjoying outdoor activities without the overwhelming heat.
In Santa Clara in March, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 March’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 |