Last updated: August 27, 2025
In Pisac, Peru, December ushers in mild temperatures, with maximums reaching 19°C (66°F) and averages around 9°C (49°F), making for refreshing days and cooler nights. However, the weather is dominated by significant precipitation, accumulating to 254 mm (10.0 in) over the course of the month, with rain falling on approximately 29 days. High humidity levels at 93% create a lush environment, emphasizing the vibrant natural beauty of this enchanting region. As visitors explore Pisac’s breathtaking landscapes, they should come prepared for frequent showers while enjoying the mild climate.
In December, the charming town of Pisac, Peru, experiences moderate temperatures that blend the comfortable and the cool. With a minimum of 2°C (36°F) and a pleasant average of 9°C (49°F), visitors can enjoy the crispness of the Andes while still feeling the warmth of the sun during the day. The temperature peaks at 19°C (66°F), marking a slight increase compared to previous months, suggesting a gentle transition towards warmer conditions as summer approaches. This month not only invites outdoor exploration of its famous markets and ruins but also highlights a soothing climate, making it a perfect time for travelers to immerse themselves in the vibrant culture and stunning landscapes of the Sacred Valley.
December in Pisac, Peru, ushers in a significant increase in precipitation, with an impressive 254 mm (10.0 in) of rainfall over 29 days. This marks a crescendo in the wet season, as the region transitions from the less humid months of June and July, which see considerably lower totals of just 50 mm (2.0 in) and 63 mm (2.5 in), respectively. As the year draws to a close, December's precipitation levels surge to nearly the same amount as February's peak, creating a lush and vibrant landscape, ideal for the lushness of the Andean region. The consistency of rainfall throughout the month, with nearly every day experiencing some showers, sets the stage for a dynamic and verdant environment that characterizes Pisac during the rainy season.
In December, Pisac, Peru experiences a notable spike in humidity, reaching 93%, just slightly below the peak levels found in January. This increase marks a significant transition from the lower humidity levels of the dryer months, particularly July and August, when humidity dropped to 55% and 44%, respectively. Following the trend of increasing humidity, December mirrors the flushed conditions of late spring as the region prepares for the rainy season. The gradual rise in moisture from October's 64% to December's high underscores the shift towards wet weather, creating a lush environment that's characteristic of Pisac's vibrant landscape during this time of year.
In December, the UV Index in Pisac, Peru, reaches 20, placing it in the extreme exposure category with a burn time of just 10 minutes. This month continues the trend observed in previous months, where the UV levels are consistently high, particularly peaking at 22 in January and November. Following a slight dip in the spring months, the UV Index remains notably elevated during the latter part of the year, urging residents and visitors alike to take precautions against the sun. With such intense UV radiation, it’s essential to stay protected to enjoy all that Pisac has to offer safely. For more detailed insights, explore the Pisac UV Index.
UV Risk Categories
December in Pisac, Peru, offers a gentle transition into the sun-drenched days of summer, with an impressive 274 hours of sunshine. This month showcases a gradual decline from the sunny peaks reached in the previous months, particularly the peak of 341 hours in August. As the year winds down, December still boasts a generous amount of sunlight, inviting both locals and visitors to bask in its warmth amidst the stunning Andean landscape. Although the sun shines a bit less than November, which enjoyed 277 hours, December's vibrant rays serve as a beautiful reminder of the lush beauty that the region has to offer, making it an ideal time for exploration and relaxation in this enchanting part of Peru.
In December, the likelihood of sunny weather in Pisac, Peru, is quite low, with only a 5% chance of sun gracing the skies. This trend is reflective of the overall pattern observed throughout the year, where the sun tends to shy away in the latter months. After a notable increase in the likelihood of sunny days during the mid-year months of July and August, which boast chances of 45% and 36% respectively, December sees a sharp decline. This dip continues from November, which already struggles with a mere 4% chance of sunshine. Looking at the year, it becomes evident that the dry season is well-past, and visitors to Pisac in December should prepare for predominantly overcast skies rather than basking in warmth and light.
In Pisac, Peru, the pattern of daylight duration reveals a fascinating rhythm throughout the year. From January to March, the days are notably consistent, basking in 12 hours of sunlight each day, which encourages outdoor activities and exploration. As the calendar shifts to April, daylight begins to wane slightly, with 11 hours lighting the skies until August, reflecting the gradual transition towards shorter days. However, this trend reverses in September, reigniting the 12-hour daylight streak that lasts through November, only to maintain that same generous length into December. This enchanting cycle not only enhances the region's agricultural activities but also aligns beautifully with the vibrant culture and traditions that thrive under the Peruvian sun.
As December arrives in Pisac, Peru, the average wind speed settles at a gentle 1.2 m/s (3 mph), reflecting a slight uptick from the year's low in November. Throughout the year, wind patterns reveal a consistent ebb and flow, with speeds generally hovering around this serene point. Interestingly, the months of August and September experience a brief gust of activity, peaking at 1.4 m/s, before returning to the calm that characterizes the region. This rhythmic pattern not only underscores the tranquil atmosphere of Pisac but also invites visitors to enjoy the fresh Andean air as they explore its rich cultural heritage and stunning landscapes.
Weather in Pisac varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Pisac, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January weather conditions exhibit some similarities and slight variations. In both months, temperatures range from a minimum of 2°C (36°F) to a maximum around 18-19°C (64-66°F), with an average temperature of 9°C (49°F) in December and 9°C (48°F) in January. December sees significantly higher precipitation, totaling 254 mm (10.0 in) across 29 days, compared to January, which experiences 189 mm (7.5 in) over 25 days. Furthermore, humidity remains high in both months, with December at 93% and January slightly higher at 94%. For a detailed look at January conditions, you can visit Pisac weather in January.
December and February exhibit similar temperatures, with both months experiencing minimums around 2°C (36°F to 35°F) and average highs ranging from 19°C (66°F) in December to 20°C (68°F) in February. However, February tends to have slightly more precipitation, totaling 266 mm (10.5 in) over 28 days compared to December's 254 mm (10.0 in) across 29 days. Humidity levels are comparable as well, with December at 93% and February at 92%, indicating consistently moist conditions throughout this period. For a more detailed look at the weather specifics in February, you can visit Pisac weather in February.
December and March exhibit similar temperature ranges, with December showing a minimum of 2°C (36°F), an average of 9°C (49°F), and a maximum of 19°C (66°F), while March has a comparable minimum of 2°C (36°F), an average of 9°C (48°F), and a slightly lower maximum of 18°C (64°F). Precipitation levels differ, with December receiving 254 mm (10.0 in) over 29 days, in contrast to March's 203 mm (8.0 in) across 30 days. Humidity remains high in both months, at 93% for December and 92% for March. For more insights, check out Pisac weather in March.
When comparing the weather in December and April, we notice distinct differences in temperature and precipitation. December typically sees a minimum temperature of 2°C (36°F) and can reach a maximum of 19°C (66°F), while April has a slightly lower range, with temperatures dipping to 0°C (32°F) and peaking at 17°C (62°F). Precipitation levels also differ significantly, with December experiencing 254 mm (10.0 in) of rain over 29 days compared to April's 129 mm (5.1 in) spread over 26 days. Moreover, the humidity remains high in both months, at 93% in December and 90% in April, creating a generally moist atmosphere. For more specific details about April weather, check out Pisac weather in April.
The weather in December is notably milder with average temperatures ranging from 9°C (49°F) to a maximum of 19°C (66°F), while May experiences slightly cooler conditions, where average temperatures sit around 8°C (46°F), peaking at 17°C (62°F). December is characterized by significantly higher precipitation levels, receiving 254 mm (10.0 in) over 29 days, compared to May's much drier total of 73 mm (2.9 in) across 19 days. Humidity levels also differ slightly, with December reaching 93% and May averaging 88%. For more details about the weather in May, you can check out this link: Pisac weather in May.
December and June present distinctly different weather patterns. In December, temperatures range from a minimum of 2°C (36°F) to a maximum of 19°C (66°F), with an average of 9°C (49°F). The month also experiences considerable rainfall, totaling 254 mm (10.0 in) over 29 days, along with high humidity at 93%. In contrast, June sees cooler conditions, with temperatures fluctuating between a minimum of -2°C (29°F) and a maximum of 17°C (63°F), averaging 7°C (45°F). The precipitation in June is much lower, at 63 mm (2.5 in) over just 12 days, with a reduced humidity of 77%. For more details on the June climate, you can check Pisac weather in June.
December and July present strikingly different weather patterns. In December, temperatures range from a chilly 2°C (36°F) at night to a comfortable 19°C (66°F) during the day, with an average of 9°C (49°F). This month also sees substantial precipitation, totaling 254 mm (10.0 in) over 29 days, resulting in a high humidity level of 93%. In contrast, July experiences cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 17°C (63°F), averaging around 7°C (44°F). Additionally, July is significantly drier, receiving only 50 mm (2.0 in) of rain over 10 days, which contributes to lower humidity at 55%. For a closer look at weather specifics in July, you can visit Pisac weather in July.
When comparing the weather in December and August, it's clear that December features milder temperatures with an average of 9°C (49°F) and maximum highs reaching 19°C (66°F). In contrast, August is cooler, with an average temperature of 7°C (45°F) and maximums around 17°C (64°F). Additionally, December sees significantly more precipitation, totaling 254 mm (10.0 in) over 29 days, compared to only 65 mm (2.6 in) over 16 days in August. The humidity is also markedly higher in December at 93%, while August enjoys a much lower 44% humidity level. For more detailed insight into August weather, you can visit Pisac weather in August.
In December, the weather is generally milder with average temperatures ranging from a low of 2°C (36°F) to a high of 19°C (66°F), while September experiences cooler temperatures, with a minimum of -3°C (27°F) and a similar maximum of 19°C (66°F). December also sees significantly more precipitation, with 254 mm (10.0 in) spread over 29 days, compared to September's 90 mm (3.5 in) over 22 days. Additionally, December's humidity is quite high at 93%, while September boasts a much lower humidity level of 51%. For those interested in more detailed aspects of September weather, you can check out Pisac weather in September.
In December, temperatures range from a minimum of 2°C (36°F) to a maximum of 19°C (66°F), with an average temperature mirroring that of October at 9°C (49°F). However, December sees significantly higher precipitation levels at 254 mm (10.0 in) over 29 rainy days, compared to October's 127 mm (5.0 in) across 26 days. Additionally, December's humidity is much higher at 93%, while October enjoys a more comfortable level of 64%. For more specific insights on October, you can visit Pisac weather in October.
In comparing the weather between December and November, we see some notable differences. December experiences a slightly lower average temperature of 9°C (49°F) compared to November's 10°C (49°F), with both months having a minimum temperature of 2°C (36°F). However, December tends to be wetter, receiving 254 mm (10.0 in) of precipitation over 29 days, while November sees just 156 mm (6.1 in) across 28 days. The humidity also increases in December, reaching 93% compared to November's 84%. For those interested in detailed weather information, you can check Pisac weather in November.
December in Pisac heralds a shift towards a wetter and cooler climate compared to other months. With an average temperature of around 9°C, it feels refreshing, though the high humidity of 93% can make the air feel heavy. Expect nearly daily rain, with precipitation stretching across almost the entire month, making it one of the most rain-saturated periods of the year. The lush landscape really comes alive, providing a stunning backdrop for visitors. For a deeper understanding of how this month compares to others, check out the comprehensive details at Pisac Climate.