Last updated: August 27, 2025
In December, the average temperature in San Gregorio, Peru hovers around 15°C (60°F), with a minimum dipping to 8°C (46°F) and a pleasant maximum reaching up to 23°C (74°F). Expect about 267 mm (10.5 in) of precipitation spread over 25 days, contributing to a high average humidity of 82%. This month promises a mix of mild temperatures and ample moisture, perfect for enjoying the local scenery!
In December in San Gregorio, the average temperature is 15°C (60°F). The maximum can reach 23°C (74°F), while the minimum can dip as low as 8°C (46°F). This mild climate makes it an ideal time for exploring and enjoying outdoor activities.
In San Gregorio in December, the precipitation amount is 267 mm (10.5 in) over a span of 25 days.
In San Gregorio in December humidity is 82%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and draining, which can hinder your travel experience.
In San Gregorio in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Gregorio.
UV Risk Categories
Weather in San Gregorio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Gregorio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 15°C (60°F) | 276 mm (10.9 inches) | 83% | extreme |
| February Weather | 15°C (60°F) | 368 mm (14.5 inches) | 81% | extreme |
| March Weather | 15°C (60°F) | 511 mm (20.1 inches) | 88% | extreme |
| April Weather | 15°C (60°F) | 367 mm (14.5 inches) | 85% | extreme |
| May Weather | 16°C (61°F) | 222 mm (8.7 inches) | 78% | extreme |
| June Weather | 16°C (61°F) | 82 mm (3.2 inches) | 62% | extreme |
| July Weather | 16°C (61°F) | 74 mm (2.9 inches) | 44% | extreme |
| August Weather | 16°C (61°F) | 63 mm (2.5 inches) | 38% | extreme |
| September Weather | 16°C (61°F) | 125 mm (4.9 inches) | 42% | extreme |
| October Weather | 16°C (60°F) | 182 mm (7.2 inches) | 58% | extreme |
| November Weather | 16°C (60°F) | 105 mm (4.1 inches) | 69% | extreme |
| December Weather | 15°C (60°F) | 267 mm (10.5 inches) | 82% | extreme |