Last updated: August 27, 2025
In December, the average temperature in Santa Rosa, Peru hovers around 7°C (44°F), with a possible dip to a chilly -3°C (28°F) and a comfortable high reaching 16°C (62°F). This period experiences 245 mm (9.7 in) of precipitation spread over 27 days, contributing to an average humidity of 82%. Be prepared for wet and cool conditions if you're visiting!
In December in Santa Rosa, the average temperature is 7°C (44°F). Maximums can reach 16°C (62°F), and minimums can be as low as -3°C (28°F). Be prepared for a mix of mild days and chilly evenings while exploring Santa Rosa.
In Santa Rosa in December, the total precipitation amount is 245 mm (9.7 in) spread over 27 days.
In Santa Rosa in December, humidity is 82%. With an average temperature of 7°C (44°F), this humidity feels like an unwelcoming chill that seeps into your bones, making outdoor exploration feel damp and cumbersome.
In Santa Rosa in December, the maximum UV index reaches 24, which corresponds to the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take necessary precautions. For a detailed breakdown of the hourly UV index in Santa Rosa, you can refer to the hourly UV index 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 | 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 |