Last updated: August 27, 2025
December in Ollantaytambo, Peru, presents a captivating blend of cool temperatures and pervasive humidity. With daytime highs reaching a maximum of 17°C (63°F) and dipping to a chilly 2°C (36°F) at night, the average temperature settles around 9°C (48°F). This month is characterized by abundant rainfall, accumulating to 268 mm (10.5 in) over 30 days, ensuring the lush scenery of the Sacred Valley remains vibrant. With humidity levels soaring to 93%, visitors can expect a moist environment, ideal for experiencing the stunning landscapes and rich cultural heritage of this ancient town.
In December, Ollantaytambo experiences a gentle transition toward warmer days, with temperatures averaging around 9°C (48°F). The minimum drops slightly to 2°C (36°F) at night, providing a cool respite, while daytime highs reach 17°C (63°F), making it a pleasant time to explore the stunning landscapes and rich history of the region. This month marks a gradual increase from the chillier previous months, where temperatures hovered at or below 8°C (47°F) for much of the year. As the rainy season approaches, the weather remains relatively mild, inviting travelers to experience the captivating sights of Ollantaytambo amidst its milder December climate.
In Ollantaytambo, Peru, December marks a significant peak in precipitation, with an impressive 268 mm (10.5 in) of rainfall recorded over 30 days. This trend showcases a bustling transition into the rainy season, which typically begins in earnest in late November and carries through February. Notably, December precipitation levels are reminiscent of the intensively wet January and February, emphasizing a consistent pattern of heightened rainfall during these months. The region's lush landscape flourishes thanks to these generous downpours, which maintain an enchanting green backdrop against the majestic Andes. As the rains nourish the earth, they also foster a vibrant atmosphere, perfect for experiencing the rich cultural heritage of Ollantaytambo.
In Ollantaytambo, Peru, December sees a spike in humidity, reaching 93%, just shy of the year's highest levels in January. This month marks the transition from the dryer winter months, with July and August experiencing notably low humidity percentages of 55% and 44%, respectively. As the year progresses towards the rainy season, there’s a noticeable increase in moisture levels, climbing steadily from the lower figures seen mid-year. The trend culminates in a post-spring increase, with November's humidity at 84%, signaling the onset of December’s moist air, which significantly supports the rich biodiversity and lush landscapes of this enchanting region.
In Ollantaytambo, Peru, the UV Index remains strikingly high throughout the year, particularly in December, when it registers at 18—classifying it in the extreme exposure category. This indicates that even short sun exposure could lead to skin damage within just 10 minutes. Notably, the UV Index in December aligns closely with the values seen in the peak months of January and February, showcasing a consistent trend of elevated solar intensity. As the year progresses into spring and early summer, the UV Index begins to dip slightly in April and May, before rebounding in October and November. For those planning to explore this breathtaking region, it's crucial to stay informed about the UV levels by checking the Ollantaytambo UV Index to ensure safe and enjoyable outdoor activities.
UV Risk Categories
As December descends upon Ollantaytambo, residents and visitors alike can still bask in a generous 251 hours of sunlight, a warm embrace that gently signals the impending end of the year. While this month sees a slight dip from the sun-soaked heights of summer, it follows a remarkable trend of increasing daylight that peaks in the mid-year months, especially in July and August, where the sun generously shines for over 329 hours. This gradual decrease in sunlight in December hints at the transition to the lush, green landscapes that thrive on the Andean highlands. As the year wraps up, the warm glow of December’s sunshine invites reflection on the vibrant experiences that Ollantaytambo offers, from its rich cultural tapestry to stunning natural beauty.
In Ollantaytambo, Peru, the likelihood of encountering sunny weather in December is relatively low at just 7%. This figure follows a clear trend as the year progresses; after a brief glimpse of sunshine in the dry months from May to July—peaking at 47% in July—the chances sharply decline, with November seeing only a 3% chance. December’s conditions suggest that while the sun may occasionally break through, visitors should prepare for the cloudier and wetter days typical of the rainy season, which begins to take hold at this time. As warmer temperatures approach, the sun's elusive presence becomes even more rare, making it a time for introspective exploration rather than basking under bright skies.
In Ollantaytambo, Peru, December shines brightly with approximately 12 hours of daylight—a continuation of a seasonal trend that begins in September and persists through March. This generous span of daylight is characteristic of the region, showcasing a remarkably consistent cycle, particularly in the warmer months. As the high-altitude sun bathes the landscape, adventurers and locals alike can relish in extended hours of exploration, from the enchanting ruins to the vibrant agricultural terraces. As the year winds down, the daylight duration remains steady, ensuring plenty of time to soak in the breathtaking scenery and rich cultural heritage that Ollantaytambo has to offer.
As December unfolds in Ollantaytambo, Peru, the winds continue to whisper gently through the ancient Incan terraces, with an average wind speed of 1.2 m/s (3 mph). This slight increase in wind from earlier months reflects a consistent pattern observed throughout the year, where the winds tend to remain relatively calm, peaking modestly in mid-summer. The overall stability in wind patterns creates a serene backdrop, perfect for exploring the vibrant landscapes and rich cultural heritage of the region, making December an ideal time for both adventure and reflection amidst the soothing breeze.
Weather in Ollantaytambo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ollantaytambo, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase similar temperature ranges, with December having an average of 9°C (48°F) compared to January's 8°C (47°F). Both months feature mild minimum temperatures of around 2°C (36°F/35°F) and peak at 17°C (63°F) in December and 18°C (64°F) in January. Precipitation is abundant, with December receiving 268 mm (10.5 in) over 30 days, while January slightly decreases to 253 mm (10.0 in) across 25 days, indicating a more concentrated but still wet weather pattern. Humidity remains high in both months, with December at 93% and January at 94%. For a detailed look at weather conditions, you can check Ollantaytambo weather in January.
In December, temperatures range from a minimum of 2°C (36°F) to a maximum of 17°C (63°F), with an average of 9°C (48°F). The month experiences significant precipitation, totaling 268 mm (10.5 in) over 30 days, coupled with high humidity at 93%. In contrast, February features similar temperature extremes, maintaining the same minimum and maximum of 2°C (36°F) and 17°C (63°F), respectively, but with a slightly lower average of 8°C (47°F). Precipitation in February is a bit higher at 280 mm (11.0 in) spread over 28 days, and humidity remains comparable at 92%. For a more detailed look at weather patterns, check out Ollantaytambo weather in February.
In December, the weather features a similar temperature range to March, with minimums around 2°C (36°F) and maximums peaking at 17°C (63°F). However, December tends to be slightly warmer on average at 9°C (48°F), compared to March's average of 8°C (47°F). Precipitation is high in both months, with December receiving 268 mm (10.5 in) over 30 days, while March sees a bit more rain at 282 mm (11.1 in) over 31 days. Humidity levels are also comparable, hovering around 93% in December and 92% in March. For more detailed insights into March weather, you can check Ollantaytambo weather in March.
In December, the weather is generally milder with average temperatures ranging from 2°C (36°F) to a maximum of 17°C (63°F), accompanied by substantial precipitation of 268 mm (10.5 in) over 30 days and high humidity at 93%. In contrast, April tends to be slightly cooler, with temperatures averaging between 2°C (35°F) and 15°C (60°F) and a significantly reduced precipitation of 153 mm (6.0 in) spread across 28 days. Humidity remains relatively high at 90%, but overall, April offers a bit more dry weather compared to the wetter December months. For a detailed look at the weather conditions in April, you can visit Ollantaytambo weather in April.
December and May present distinct contrasts in weather patterns. In December, temperatures generally range from a minimum of 2°C (36°F) to a maximum of 17°C (63°F), with an average of 9°C (48°F). The month experiences significant precipitation, totaling 268 mm (10.5 in) over 30 days, and a high humidity level of 93%. In contrast, May sees cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 15°C (60°F), averaging around 7°C (46°F). Precipitation decreases dramatically to 71 mm (2.8 in) over 20 days, accompanied by a slightly lower humidity level of 88%. For more details, visit Ollantaytambo weather in May.
In December, the weather is generally milder, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 17°C (63°F), while June experiences slightly cooler conditions, with temperatures dropping as low as -1°C (30°F) and reaching a maximum of 15°C (59°F). December is characterized by significantly higher precipitation, totaling 268 mm (10.5 in) spread over 30 days, compared to June's much drier climate, which sees only 34 mm (1.3 in) over 11 days. Additionally, December's humidity is notably higher at 93%, while June maintains a lower level of 77%. For a detailed view of the weather in June specifically, you can check Ollantaytambo weather in June.
December and July exhibit stark contrasts in weather conditions. In December, temperatures typically range from a minimum of 2°C (36°F) to a maximum of 17°C (63°F), with an average of 9°C (48°F). This month also experiences significant rainfall, totaling 268 mm (10.5 in) across 30 days, coupled with high humidity at 93%. In contrast, July features cooler temperatures, with a minimum of -2°C (29°F), an average of 7°C (44°F), and a maximum of 16°C (62°F). Precipitation in July is markedly lower, at only 38 mm (1.5 in) spread over 10 days, and humidity levels are reduced to 55%. For those looking to understand more about the weather during this month, visit Ollantaytambo weather in July.
December and August present stark contrasts in weather conditions. In December, temperatures range from a minimum of 2°C (36°F) to a maximum of 17°C (63°F), with a damp atmosphere characterized by significant rainfall of 268 mm (10.5 in) spread over 30 days and high humidity at 93%. In contrast, August experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 7°C (44°F), yet it is considerably drier, receiving only 54 mm (2.1 in) of precipitation over 16 days and boasting a much lower humidity level at 44%. For more detailed insights into August conditions, you can refer to Ollantaytambo weather in August.
In comparing the weather of December and September, December is notably milder with average temperatures ranging from 2°C (36°F) at its lowest to 17°C (63°F) at its highest, while September experiences cooler temperatures, ranging from -1°C (31°F) to a maximum of 16°C (62°F). December also sees significantly higher precipitation levels at 268 mm (10.5 in) spread over 30 days, compared to September's 107 mm (4.2 in) over 27 days. Furthermore, humidity is markedly higher in December at 93%, which contrasts sharply with September's 51%. For a more detailed look at the weather in September, you can refer to this link: Ollantaytambo weather in September.
When comparing the weather in December and October, both months exhibit similar maximum temperatures, reaching around 17°C (63°F). However, December tends to be slightly warmer on average, with temperatures ranging from a minimum of 2°C (36°F) to an average of 9°C (48°F). In contrast, October showcases a minimum of 1°C (33°F) and an average of 8°C (47°F). Precipitation levels are notably higher in December, with 268 mm (10.5 in) compared to October's 172 mm (6.8 in), despite both months having the same number of rainy days. Additionally, December's humidity is significantly higher at 93%, while October enjoys a more moderate 64%. For more details on October weather in the region, you can check this link: Ollantaytambo weather in October.
In comparing the weather of December and November, both months exhibit similar temperature ranges, with December experiencing a maximum of 17°C (63°F) compared to November's 16°C (61°F). However, December is characterized by higher precipitation, receiving 268 mm (10.5 in) over 30 days, making it a wetter month than November, which sees 233 mm (9.2 in) of rain over 29 days. Additionally, December has a noticeably higher humidity level at 93%, compared to November's 84%. For more details on November's weather specifically, you can visit Ollantaytambo weather in November.
As December settles in Ollantaytambo, it ushers in a notably cooler and wetter climate, contrasting sharply with the drier and warmer preceding months. The abundance of precipitation, averaging 268 mm across the month, results in 30 days of rain, enveloping the region in a vibrant green landscape. Additionally, the temperatures drop, with average highs of 17°C, allowing for a brisk yet refreshing atmosphere for visitors. With humidity levels soaring to 93%, those braving this season should prepare for a soggy adventure, where the beauty of the Andean scenery is at its lushest. For more detailed insights into the climate variations throughout the year, explore the Ollantaytambo Climate.