Last updated: August 27, 2025
In December, the average temperature in Santa Ana, Peru hovers around 17°C (63°F). Expect a comfortable range, with minimums dipping to 11°C (52°F) and maximums reaching as high as 26°C (78°F). Prepare for a wet month, as 421 mm (16.6 in) of precipitation is likely over 31 days, all while experiencing high humidity levels at 89%.
In December in Santa Ana, the average temperature is 17°C (63°F), with maximums reaching 26°C (78°F) and minimums dropping to 11°C (52°F). This mild climate makes it an ideal time for travelers to explore and enjoy outdoor activities.
In Santa Ana in December, the total precipitation amount is 421 mm (16.6 in) over the course of 31 days.
In Santa Ana in December humidity is 89%. With an average temperature of 17°C (63°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel more strenuous and less enjoyable for traveling.
In Santa Ana in December, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Santa Ana, you can check 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 December’s weather to other months in Santa Ana, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 17°C (63°F) | 373 mm (14.7 inches) | 93% | extreme |
| February Weather | 17°C (63°F) | 457 mm (18.0 inches) | 92% | extreme |
| March Weather | 17°C (63°F) | 368 mm (14.5 inches) | 92% | extreme |
| April Weather | 17°C (62°F) | 214 mm (8.4 inches) | 90% | extreme |
| May Weather | 16°C (61°F) | 126 mm (5.0 inches) | 85% | extreme |
| June Weather | 16°C (61°F) | 78 mm (3.1 inches) | 70% | extreme |
| July Weather | 15°C (59°F) | 59 mm (2.3 inches) | 54% | extreme |
| August Weather | 15°C (60°F) | 75 mm (3.0 inches) | 44% | extreme |
| September Weather | 16°C (62°F) | 89 mm (3.5 inches) | 52% | extreme |
| October Weather | 17°C (63°F) | 214 mm (8.4 inches) | 65% | extreme |
| November Weather | 17°C (63°F) | 353 mm (13.9 inches) | 81% | extreme |
| December Weather | 17°C (63°F) | 421 mm (16.6 inches) | 89% | extreme |