Last updated: June 24, 2025
In Rancho Santa Margarita, United States, the average temperature in October hovers around 20°C (69°F). Expect a minimum of 7°C (46°F) and a sizzling maximum of 38°C (101°F). With an average humidity of 67%, you'll feel the warmth, but don't forget your umbrella—precipitation amounts to 13 mm (0.5 in) over 2 days. Get ready for a month of varied weather!
In October in Rancho Santa Margarita, the average temperature is 20°C (69°F). Maximums can reach 38°C (101°F), while minimums can drop as low as 7°C (46°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities, from warm sunny days to cooler evenings.
In Rancho Santa Margarita in October, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.
In Rancho Santa Margarita in October, humidity is 67%. With an average temperature of 20°C (69°F), this humidity feels like a warm, gentle embrace that clings to your skin, creating a comfortable yet slightly sticky atmosphere that can be refreshing while exploring the sights, provided you stay hydrated and take breaks in the shade.
In Rancho Santa Margarita in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Rancho Santa Margarita.
UV Risk Categories
Weather in Rancho Santa Margarita varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Rancho Santa Margarita, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 84 mm (3.3 inches) | 74% | moderate |
| February Weather | 13°C (55°F) | 78 mm (3.1 inches) | 79% | high |
| March Weather | 14°C (58°F) | 94 mm (3.7 inches) | 75% | very high |
| April Weather | 17°C (63°F) | 36 mm (1.4 inches) | 70% | very high |
| May Weather | 18°C (65°F) | 21 mm (0.8 inches) | 70% | extreme |
| June Weather | 21°C (71°F) | 2 mm (0.1 inches) | 72% | extreme |
| July Weather | 25°C (77°F) | 2 mm (0.1 inches) | 73% | extreme |
| August Weather | 25°C (78°F) | 2 mm (0.1 inches) | 69% | very high |
| September Weather | 24°C (75°F) | 4 mm (0.2 inches) | 68% | very high |
| October Weather | 20°C (69°F) | 13 mm (0.5 inches) | 67% | high |
| November Weather | 17°C (62°F) | 34 mm (1.3 inches) | 68% | moderate |
| December Weather | 13°C (55°F) | 85 mm (3.3 inches) | 71% | moderate |