Last updated: August 27, 2025
In October, the average temperature in Santa Ana, Peru hovers around 3°C (37°F). Expect chilly days with minimums plummeting to -8°C (18°F) and maximums reaching 11°C (52°F). This month also sees a significant amount of rainfall, with 148 mm (5.8 in) spread over 27 days, contributing to an average humidity of 68%. Be prepared for a damp yet invigorating season!
In October in Santa Ana, the average temperature is 3°C (37°F), with maximums reaching 11°C (52°F) and minimums dropping as low as -8°C (18°F). Be sure to pack warm clothing if you're planning to travel during this time.
In Santa Ana in October, the precipitation amount is 148 mm (5.8 in) distributed over 27 days.
In Santa Ana in October, humidity is 68%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that permeates your clothes, making outdoor exploration less comfortable and urging you to seek shelter more frequently.
In Santa Ana in October, the maximum UV index reaches 20, which falls under the extreme Exposure Category. This means that the time to burn is just 10 minutes. To stay informed about the hourly UV Index in Santa Ana, you can visit Hourly UV Index in Santa Ana.
UV Risk Categories
Weather in Santa Ana varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Santa Ana, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 198 mm (7.8 inches) | 89% | extreme |
| February Weather | 3°C (38°F) | 240 mm (9.4 inches) | 89% | extreme |
| March Weather | 3°C (38°F) | 253 mm (10.0 inches) | 90% | extreme |
| April Weather | 3°C (37°F) | 128 mm (5.0 inches) | 89% | extreme |
| May Weather | 2°C (36°F) | 81 mm (3.2 inches) | 83% | extreme |
| June Weather | 1°C (35°F) | 35 mm (1.4 inches) | 69% | extreme |
| July Weather | 1°C (34°F) | 33 mm (1.3 inches) | 56% | extreme |
| August Weather | 1°C (35°F) | 47 mm (1.8 inches) | 50% | extreme |
| September Weather | 2°C (36°F) | 107 mm (4.2 inches) | 53% | extreme |
| October Weather | 3°C (37°F) | 148 mm (5.8 inches) | 68% | extreme |
| November Weather | 3°C (38°F) | 173 mm (6.8 inches) | 81% | extreme |
| December Weather | 3°C (38°F) | 210 mm (8.3 inches) | 87% | extreme |