Last updated: August 27, 2025
In October, the average temperature in Santa Rosa, Peru hovers around 6°C (43°F), offering a cool yet manageable climate. Expect temperatures to range from a frigid -5°C (24°F) to a mild 16°C (62°F). During this month, precipitation is significant, with an average of 162 mm (6.4 in) spread over 24 days, creating a moderately humid atmosphere with an average humidity of 67%.
In October in Santa Rosa, the average temperature is 6°C (43°F). The maximum can reach 16°C (62°F), while the minimum can drop as low as -5°C (24°F). Travelers should be prepared for chilly conditions and pack layers to stay comfortable throughout the day.
In Santa Rosa in October, the precipitation amount is 162 mm (6.4 in) over a span of 24 days.
In Santa Rosa in October humidity is 67%. With an average temperature of 6°C (43°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor exploration somewhat uncomfortable and prompting a need for warm, moisture-wicking clothing while traveling.
In Santa Rosa in October, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in Santa Rosa.
UV Risk Categories
Weather in Santa Rosa varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Santa Rosa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 259 mm (10.2 inches) | 89% | extreme |
| February Weather | 6°C (43°F) | 304 mm (12.0 inches) | 90% | extreme |
| March Weather | 6°C (43°F) | 284 mm (11.2 inches) | 90% | extreme |
| April Weather | 6°C (42°F) | 127 mm (5.0 inches) | 90% | extreme |
| May Weather | 5°C (41°F) | 46 mm (1.8 inches) | 84% | extreme |
| June Weather | 5°C (41°F) | 13 mm (0.5 inches) | 67% | extreme |
| July Weather | 5°C (41°F) | 16 mm (0.6 inches) | 53% | extreme |
| August Weather | 5°C (42°F) | 25 mm (1.0 inches) | 47% | extreme |
| September Weather | 6°C (43°F) | 83 mm (3.3 inches) | 53% | extreme |
| October Weather | 6°C (43°F) | 162 mm (6.4 inches) | 67% | extreme |
| November Weather | 7°C (45°F) | 184 mm (7.3 inches) | 75% | extreme |
| December Weather | 7°C (44°F) | 245 mm (9.7 inches) | 82% | extreme |