Last updated: August 27, 2025
In December, the average temperature in Santa Rosa, Peru is a pleasant 25°C (78°F). During this month, you can expect temperatures to range from a comfortable 19°C (67°F) at night to a warm 34°C (94°F) during the day. However, be prepared for frequent rainfall, as precipitation amounts reach 264 mm (10.4 in) spread over 27 days, contributing to an average humidity level of 89%.
In December in Santa Rosa, the average temperature is 25°C (78°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 19°C (67°F). This pleasant climate makes it an ideal destination for travelers seeking a warm getaway.
In Santa Rosa in December, the precipitation amount is 264 mm (10.4 in) during a span of 27 days.
In Santa Rosa in December, humidity is 89%. With an average temperature of 25°C (78°F), this humidity feels like a warm, dense blanket enveloping you, making travel slightly uncomfortable as you sweat and struggle to keep cool while exploring the local sights.
In Santa Rosa in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Rosa, you can check here.
UV Risk Categories
Weather in Santa Rosa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Rosa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 259 mm (10.2 inches) | 80% | extreme |
| February Weather | 25°C (77°F) | 253 mm (10.0 inches) | 76% | extreme |
| March Weather | 25°C (77°F) | 356 mm (14.0 inches) | 81% | extreme |
| April Weather | 25°C (77°F) | 254 mm (10.0 inches) | 86% | extreme |
| May Weather | 24°C (76°F) | 223 mm (8.8 inches) | 86% | extreme |
| June Weather | 24°C (75°F) | 175 mm (6.9 inches) | 70% | extreme |
| July Weather | 24°C (75°F) | 129 mm (5.1 inches) | 47% | extreme |
| August Weather | 24°C (76°F) | 78 mm (3.1 inches) | 37% | extreme |
| September Weather | 25°C (78°F) | 95 mm (3.7 inches) | 42% | extreme |
| October Weather | 25°C (78°F) | 189 mm (7.5 inches) | 62% | extreme |
| November Weather | 25°C (78°F) | 302 mm (11.9 inches) | 76% | extreme |
| December Weather | 25°C (78°F) | 264 mm (10.4 inches) | 89% | extreme |