Last updated: August 27, 2025
In December, Yanacocha, Peru experiences cool temperatures with a maximum of 17°C (62°F) and an average of 6°C (43°F), dipping to a night-time minimum of -4°C (25°F). This month is marked by high humidity levels of 90%, making the air feel significantly damp. Rainfall is substantial, with a total of 199 mm (7.8 in) spread over an impressive 28 days, so visitors should come prepared for wet weather. The combination of cool temperatures and persistent precipitation creates a unique atmosphere in the Andean landscape during this time.
In December, Yanacocha, Peru experiences a slight rise in temperatures as the year draws to a close. The minimum temperature hovers around -4°C (25°F), consistent with previous months, while the average remains steady at 6°C (43°F). However, the maximum temperature sees a gentle increase, reaching up to 17°C (62°F). This trend towards warmer days indicates a shift from the colder months, providing a crisp yet refreshing atmosphere ideal for outdoor exploration. December's weather allows visitors to enjoy the beauty of the region while still feeling the chill of the Andes nights, showcasing the unique climatic conditions that characterize this captivating locale.
In December, Yanacocha, Peru, experiences a notable surge in precipitation, recording an impressive 199 mm (7.8 in) of rain over 28 days. This increase marks a continuation of the region's wet season, characterized by steady rainfall that peaks in early months. Notably, December's precipitation is higher than that of November (149 mm) and reflects a broader trend of escalating rainfall leading into the new year. As the rainy season progresses, residents and ecosystems alike benefit from the vital moisture, while the region's geological features become more pronounced under the influence of consistent rain. This transition into the wettest phase underscores the seasonal rhythm of Yanacocha, setting the stage for the following months of even more abundant rainfall.
In December, Yanacocha, Peru experiences a notable rise in humidity, reaching 90%, reminiscent of the wet conditions typically seen at the beginning of the year. This minor peak signals the transition from the dry season, which begins in June with a significant drop to 47%, back towards the enriching moisture levels of early months like January and February. As the year progresses, humidity trends downward, hitting a low of 38% in August, before gradually creeping back up in the final months. This cyclical pattern highlights the region's unique climate, where humidity plays a vital role in the ecosystem, fostering lush landscapes and supporting diverse wildlife.
In December, Yanacocha, Peru, experiences a UV Index of 18, maintaining its extreme exposure category and a burn time of just 10 minutes. This is consistent with the trend observed throughout the year, where the UV Index remains exceptionally high, ranging from 15 to 19 from January to March, gradually tapering off but still remaining in the extreme category for most months. Notably, while there is a slight decrease in UV intensity during the latter part of the year, the danger of sunburn remains prevalent. Therefore, vigilance in sun protection is crucial when visiting this region. For more insights on the UV Index in Yanacocha, visit Yanacocha UV Index.
UV Risk Categories
In December, Yanacocha, Peru, enjoys a commendable 273 hours of sunshine, marking a gentle transition from the month prior. While this represents a notable dip from the peak of 321 hours in May, it remains vibrant compared to the year's beginning, showcasing a gradual increase as summer approaches in the Southern Hemisphere. The sun casts its warm glow over the serene landscape, providing a contrast to the cooler months of October and November. As the days grow longer, December sets the stage for a sun-drenched summer ahead, highlighting a seasonal trend that brings both warmth and light to this picturesque region.
In Yanacocha, Peru, December sees a 13% chance of sunny weather, which is slightly above the low expectations set by November's dismal 5%. This modest increase hints at a gradual transition toward more favorable conditions, reflecting a broader trend that peaks with the arrival of July, where the likelihood of sunshine rises sharply to 50%. The latter half of the year generally offers a fluctuating outlook, with October and November experiencing a downturn in sunny days before December brings a flicker of hope. As we look forward, the sun gradually begins to adorn the skies more frequently, paving the way for a brighter summer ahead in Yanacocha.
In Yanacocha, Peru, daylight duration showcases a fascinating rhythm throughout the year. From January to March, residents bask in a consistent 12 hours of daylight, creating a steady and vibrant atmosphere. As the months progress into April, daylight begins to dip slightly to 11 hours, maintaining this shorter duration through the cooler months of June, July, and August. However, a resurgence occurs in September, when daylight extends back to 12 hours, continuing through a bright October and November. Finally, December rounds out the year with 12 hours of daylight once again, offering a familiar balance as nature prepares for the cycle ahead. This gentle ebb and flow of daylight reflects the unique ecological patterns that characterize life in the Andes.
In December, the winds of Yanacocha, Peru gently sweep across the landscape at an average speed of 1.5 m/s (3 mph), mirroring the calmness that has defined the last few months. Throughout the year, wind speeds show a subtle yet noticeable variation, with a slight peak in July at 1.9 m/s (4 mph) and consistently hovering around 1.5 m/s (3 mph) in the cooler months like January and November. May marks a gradual increase, hitting 1.6 m/s (4 mph), while the late summer months maintain a steady pace of 1.8 m/s (4 mph). Overall, December's winds gracefully continue this pattern, reflecting the serene atmosphere typical of this time of year in the highlands.
Weather in Yanacocha varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yanacocha, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 17°C (62°F), with an average of 6°C (43°F). The month experiences significant precipitation, totaling 199 mm (7.8 in) over 28 days and boasts high humidity at 90%.
In comparison, January sees a slightly cooler maximum temperature of 14°C (58°F), while maintaining a similar minimum of -4°C (24°F) and an average of 6°C (42°F). Total precipitation decreases to 183 mm (7.2 in) across 25 days, with humidity marginally rising to 91%.
For more detailed information about weather conditions during this month, you can check Yanacocha weather in January.
December and February share similar average temperatures, both hovering around 6°C (43°F) while experiencing a minimum of -4°C (25°F) in December and -2°C (28°F) in February. However, February typically sees slightly milder maximum temperatures, reaching 16°C (60°F) compared to December’s 17°C (62°F). Both months are characterized by high humidity levels of 90%, adding to the cool atmosphere. Precipitation is fairly consistent between the two, with December receiving 199 mm (7.8 in) over 28 days and February having 193 mm (7.6 in) across 26 days, suggesting a similarly wet winter period. For more details on how the weather unfolds during this time, check Yanacocha weather in February.
December and March present contrasting yet somewhat similar weather patterns. In December, temperatures range from a chilly -4°C (25°F) at night to a pleasantly warm 17°C (62°F) during the day, with an average of 6°C (43°F). The month sees significant precipitation, totaling 199 mm (7.8 in) spread over 28 days, and humidity is high at 90%. March, on the other hand, features slightly milder nighttime temperatures with a minimum of -1°C (30°F) and a maximum of 13°C (57°F), while maintaining the same average temperature of 6°C (42°F). It experiences even more rainfall, amounting to 232 mm (9.1 in) over 30 days, and humidity rises to 91%. For more detailed information, you can check Yanacocha weather in March.
December and April present distinct weather patterns, with December generally being colder and wetter. In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 17°C (62°F), with an average of 6°C (43°F). This month experiences significant precipitation, accumulating 199 mm (7.8 in) over 28 days, along with high humidity at 90%. In contrast, April sees slightly milder temperatures, with a minimum of -3°C (26°F) and a maximum of 15°C (60°F), averaging around 5°C (42°F). Precipitation in April decreases to 134 mm (5.3 in) over 25 days, with humidity slightly lower at 89%. For more specific details on the weather in April, you can visit Yanacocha weather in April.
December and May present contrasting weather patterns. In December, temperatures range from a chilly -4°C (25°F) to a mild 17°C (62°F), with an average of 6°C (43°F). The month experiences significant precipitation, accumulating 199 mm (7.8 in) over 28 days, and high humidity at 90%. In comparison, May's temperatures are slightly cooler, with a minimum of -5°C (24°F), an average of 5°C (41°F), and a maximum of 14°C (58°F). Rainfall is notably less in May, totaling 95 mm (3.7 in) across 22 days, with a slightly lower humidity of 85%. For more details about May weather in this region, check out Yanacocha weather in May.
The weather in December contrasts significantly with that of June. In December, temperatures range from a chilly minimum of -4°C (25°F) to a pleasant maximum of 17°C (62°F), with an average of 6°C (43°F). This month experiences considerable precipitation, totaling 199 mm (7.8 in) over 28 days, accompanied by high humidity at 90%. In comparison, June sees colder temperatures, with a minimum of -6°C (22°F) and a maximum of 14°C (57°F), averaging at 4°C (40°F). Rainfall drops dramatically to just 41 mm (1.6 in) across 11 days, and humidity decreases to a more comfortable 65%. For more detailed information about the weather in June, you can visit Yanacocha weather in June.
December and July present notably different weather conditions. In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 17°C (62°F), with an average of 6°C (43°F). This month is characterized by high humidity at 90% and significant precipitation, totaling 199 mm (7.8 in) over 28 days. In contrast, July offers cooler temperatures, with a minimum of -6°C (21°F) and a maximum of 15°C (59°F), averaging 4°C (39°F). The July weather is much drier, with only 37 mm (1.5 in) of precipitation over just 9 days and a humidity level of 47%. For more details about July weather specifically, you can visit Yanacocha weather in July.
In December, the weather showcases a mild average temperature of 6°C (43°F), with a maximum of 17°C (62°F). The month is characterized by significant precipitation, totaling 199 mm (7.8 in) across 28 days, and a high humidity level of 90%. In contrast, August presents cooler conditions, with an average temperature of 4°C (39°F) and a maximum of 14°C (58°F). Precipitation is relatively low, amounting to just 54 mm (2.1 in) over 13 days, with humidity at a much drier 38%. For a detailed look at August weather, you can visit Yanacocha weather in August.
In December, the weather presents a much milder profile compared to September, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 17°C (62°F) and an average of 6°C (43°F). In contrast, September experiences cooler temperatures, with averages from -4°C (24°F) to 13°C (56°F) and an overall average of 4°C (40°F). December also brings significantly more precipitation, totaling 199 mm (7.8 in) over 28 days, whereas September has only 90 mm (3.5 in) across 22 days. Additionally, humidity levels are notably higher in December at 90%, while September enjoys a drier atmosphere with only 40% humidity. For more details about September weather, you can refer to Yanacocha weather in September.
In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 17°C (62°F), with an average of 6°C (43°F), making it slightly warmer than October, which has a minimum of -4°C (26°F) and a maximum of 15°C (60°F) with an average of 5°C (42°F). Precipitation in December is significantly higher, totaling 199 mm (7.8 in) over 28 days, compared to October's 137 mm (5.4 in) spread across 26 days. Additionally, December experiences much higher humidity at 90%, while October maintains a more moderate level at 56%. For more detailed insights into October weather, you can check out Yanacocha weather in October.
In comparing the weather of December and November, we see that both months have similar average temperatures, sitting at around 6°C (43°F). However, December tends to be colder at night with a minimum temperature of -4°C (25°F), compared to November's minimum of -2°C (28°F). Precipitation levels also rise in December, with 199 mm (7.8 in) falling over 28 days, contrasted with November's 149 mm (5.9 in) over 27 days. Additionally, December experiences higher humidity at 90%, compared to November's 76%. For more detailed insights into November's weather, check out Yanacocha weather in November.
December in Yanacocha is marked by a notable shift in conditions compared to the preceding months. The cooler temperatures create a refreshing atmosphere, with the average hovering around 6°C; however, maximum temperatures can peak at a mild 17°C. This month also witnesses a significant increase in humidity and precipitation, with almost every day seeing some rain, summing up to 199 mm by month’s end. The blend of cooler air and consistent moisture not only elevates the lushness of the landscape but also invites visitors to experience the unique charm of the region during this wetter, yet invigorating season. For further insights into the year-round climate patterns of this incredible area, visit Yanacocha Climate.