Last updated: August 27, 2025
In August, Colca, Peru experiences a diverse climate marked by maximum temperatures reaching 19°C (66°F) and an average of 9°C (48°F), while minimums can dip as low as -5°C (23°F), showcasing the region's cool summer days and chilly nights. With 22 mm (0.9 in) of precipitation spread over approximately 6 days, occasional rainfall adds a refreshing element to the serene landscapes. The relative humidity sits around 44%, contributing to a crisp, invigorating atmosphere that invites exploration of the breathtaking Colca Canyon and its stunning surroundings. Whether you seek adventure or relaxation, August offers a unique opportunity to experience the region's natural beauty.
In August, temperatures in Colca, Peru are marked by crisp nights and mild days, reflecting the region’s characteristic cool climate during this time of year. The minimum temperature dips to around -5°C (23°F), which can make mornings especially brisk. As the day unfolds, temperatures rise to a comfortable average of 9°C (48°F), reaching a pleasant maximum of 19°C (66°F). This pattern shows a slight increase in warmth compared to the preceding months of July, while remaining consistent with the overall cool trend that characterizes the Andean highlands. Visitors can expect a refreshing blend of chilly mornings and friendly daytime temperatures, making it an ideal time for exploration in this stunning landscape.
In August, Colca, Peru, experiences a notable shift in precipitation, with a total of 22 mm (0.9 in) of rain falling over six days. This marks a continuation of the dry season, as August typically sees a significant drop from the peak rainfall months of January through March. Comparatively, July's meager total of 15 mm demonstrates a gradual increase as the region prepares for September's wetter conditions, where precipitation rises to 52 mm (2.1 in). This trend emphasizes August as a transitional month, where the landscape starts to inch towards the wetter climate of the final quarter of the year, signaling the end of the dry season and setting the stage for the lush growth that follows.
In August, Colca, Peru, experiences a significant drop in humidity, reaching 44%—the lowest for the year. This decline marks a shift from the humid summer months, with January through July observing levels ranging from 54% to a high of 93%. As the region transitions into the drier season, August offers a breath of fresh air, paving the way for more comfortable conditions. Following August, humidity levels begin to rise again in September, hinting at the cyclical nature of the region's climate. This pattern not only affects the local environment but also influences the overall experience for visitors seeking to explore the breathtaking landscapes of Colca.
In August, Colca, Peru experiences a UV Index of 14, marking a continuation of the extreme exposure category that's characteristic of the region throughout the year. This trend highlights the consistent need for caution, as the burn time remains at just 10 minutes—a stark reminder of how quickly sun damage can occur. Following a dip in June, the UV Index rises slightly come August, aligning closely with the patterns seen in late spring and early fall. Visitors should remain vigilant and always prioritize sun protection during this time. For more detailed information, check out the Colca UV Index.
UV Risk Categories
In August, Colca, Peru, basks in a delightful 328 hours of sunshine, marking the peak of its radiant summer. This month, residents and visitors alike enjoy a significant jump from the earlier part of the year, showcasing an upward trend in sunlight hours that began in May with 313 hours. As the dry season continues, the sun-drenched days offer perfect conditions for exploring the breathtaking landscapes and vibrant culture of the valley. The light reaches its zenith in August before gradually tapering off through the fall months, creating a harmonious rhythm of warmth and brightness that beautifully punctuates the Peruvian highlands.
In August, visitors to Colca, Peru can expect a 54% chance of sunny weather, continuing the upward trend observed since July, which boasts a remarkable 64% likelihood of sunshine. This gradual shift from the lower percentages seen in the earlier months, such as January and March with chances as low as 8% and 7% respectively, reflects the arrival of the dry season. As the year progresses from April's 24% to May and June's mid-range 39% to 42%, August stands as a particularly favorable month for basking in the sun, making it an ideal time for outdoor adventures and exploration in the breathtaking landscapes of Colca. After August, the likelihood of sun begins to taper off again, with September seeing a drop to 36%.
In August, the enchanting Colca region of Peru experiences a daylight duration of 11 hours, continuing a trend established in the preceding months of June and July. This slight decrease in sunlight hours marks a transition from the longer days of summer, with daylight durations peaking at 12 hours from January to March and returning to that length in the fall. As the days grow shorter, the vibrancy of Colca's landscapes can be appreciated even more in the softening light, inviting visitors to explore its stunning valleys and rich cultural heritage.
As summer in Colca, Peru, transitions toward autumn, August brings a subtle increase in wind speed, averaging 1.3 m/s (3 mph). This gentle breeze marks a contrast to the preceding months, where wind speeds hovered consistently around 1.1 m/s (2 mph) from January through July. The gradual escalation continues into September, reaching 1.4 m/s (3 mph), highlighting a clear trend of increasing winds as the seasons change. This climatic shift, while mild, can enhance the experience of the breathtaking landscapes, offering refreshing gusts that dance through the valleys and uplift the spirits of those exploring the vibrant heart of this Andean region.
Weather in Colca varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Colca, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between August and January, we find notable differences in temperature and precipitation patterns. August exhibits a cooler climate, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 19°C (66°F), along with relatively low humidity at 44%. In contrast, January features warmer temperatures, with averages from 2°C (36°F) to 20°C (68°F), but is marked by much higher precipitation levels, totaling 209 mm (8.2 in) over 23 rainy days and significantly elevated humidity at 93%. For more specific insights on January weather in the region, you can refer to Colca weather in January.
August and February present contrasting weather patterns. In August, temperatures range from a chilly minimum of -5°C (23°F) to a comfortable maximum of 19°C (66°F), with an average of 9°C (48°F). This month sees relatively low precipitation at 22 mm (0.9 in) over approximately 6 days, and humidity levels are moderate at 44%. In contrast, February experiences milder temperatures, with a minimum of 0°C (32°F), an average of 10°C (51°F), and a maximum mirroring August's peak at 19°C (66°F). However, February is characterized by significantly heavier rainfall, accumulating 230 mm (9.1 in) over about 27 days, and much higher humidity at 92%. For more details, you can explore Colca weather in February.
When comparing the weather in August to March, notable differences emerge. August features cooler temperatures, with a minimum of -5°C (23°F) and an average of 9°C (48°F), while March sees milder temperatures with a minimum of 3°C (37°F) and an average of 10°C (51°F). Precipitation is significantly higher in March, totaling 250 mm (9.8 in) over 30 days, contrasted with August's modest 22 mm (0.9 in) across just 6 days. Additionally, humidity levels are much higher in March at 92%, compared to August's 44%. For more detailed weather information, you can check Colca weather in March.
In comparing the weather in August and April, we see notable differences in temperature and precipitation. August tends to be cooler, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 19°C (66°F), and lower humidity at 44%. In contrast, April presents relatively milder conditions, experiencing an average temperature from -3°C (27°F) to 18°C (65°F), but with significantly higher humidity at 90%. Additionally, April has much more precipitation, totaling 83 mm (3.3 in) over 19 days, compared to August's 22 mm (0.9 in) over just 6 days. For more detailed insights into April weather, you can visit Colca weather in April.
When comparing the weather in August and May, both months exhibit a similar average temperature of 9°C (48°F) and maximum highs of 19°C (66°F). However, August tends to be slightly cooler with a minimum temperature of -5°C (23°F) compared to May's minimum of -2°C (28°F). In terms of precipitation, May experiences significantly more rainfall, with 44 mm (1.7 in) over 12 days, while August sees only 22 mm (0.9 in) across 6 days. Additionally, the humidity level is much higher in May at 85%, in contrast to August's 44%. For more detailed information about May weather specifically, you can refer to Colca weather in May.
When comparing the weather in August and June, both months exhibit cool temperatures with limited warmth, but August is slightly milder overall. In August, temperatures range from a minimum of -5°C (23°F) to a maximum of 19°C (66°F), with an average of 9°C (48°F). It experiences a bit more precipitation, with about 22 mm (0.9 in) falling over six days. In contrast, June has a slightly cooler average temperature at 8°C (47°F) and a maximum of 18°C (64°F), with less precipitation totaling 14 mm (0.5 in) spread over only four days. Notably, June’s higher humidity at 70% compared to August’s 44% might make it feel a bit more uncomfortable despite the cooler temperatures. For a closer look at the weather specifics in June, you can explore Colca weather in June.
In comparing the weather conditions of July and August, both months exhibit similar maximum temperatures, reaching 19°C (66°F). However, August has a slightly warmer average temperature of 9°C (48°F) compared to July's average of 8°C (47°F). Notably, August experiences more precipitation, totaling 22 mm (0.9 in) over 6 days, whereas July has only 15 mm (0.6 in) across 3 days. Additionally, humidity levels are higher in July at 54%, contrasted with August's lower humidity of 44%. For more details on July weather, you can refer to Colca weather in July.
In August, the weather exhibits a brisk transition towards autumn, with minimum temperatures dipping to -5°C (23°F) and average highs reaching only 19°C (66°F). The month experiences low humidity at 44% and minimal precipitation of 22 mm (0.9 in) over six days. In contrast, September sees a slight uptick in temperature, with a minimum of -1°C (31°F) and maximums reaching 20°C (67°F). However, this month is considerably wetter, accumulating 52 mm (2.1 in) of rainfall across 14 days and a higher humidity level of 52%. For more detailed insights into the weather conditions, check out Colca weather in September.
In August, the weather features cooler temperatures with a minimum of -5°C (23°F) and an average of 9°C (48°F), peaking at 19°C (66°F). The month sees relatively low precipitation at 22 mm (0.9 in) over just 6 days, accompanied by a humidity level of 44%. In contrast, October offers slightly warmer conditions, with a minimum of -1°C (30°F) and an average of 10°C (51°F), reaching a maximum of 21°C (69°F). However, it experiences significantly higher rainfall at 107 mm (4.2 in) spread across 22 days, resulting in increased humidity at 65%. For more detailed insights on October weather, check Colca weather in October.
In August, temperatures range from a chilly -5°C (23°F) to a mild 19°C (66°F), with an average of 9°C (48°F). The month sees relatively low precipitation of 22 mm (0.9 in) over just 6 days, accompanied by a humidity level of 44%. In contrast, November experiences warmer temperatures, with a minimum of 0°C (33°F), an average of 11°C (52°F), and a maximum of 22°C (72°F). However, it also brings significantly higher precipitation, measuring 138 mm (5.4 in) over 21 days and a much higher humidity level of 81%. For detailed insights into the weather patterns, check Colca weather in November.
August and December display notably different weather patterns. In August, temperatures range from a chilly minimum of -5°C (23°F) to a comfortable maximum of 19°C (66°F), with an average temperature of 9°C (48°F). The month sees relatively low precipitation of 22 mm (0.9 in) over just 6 days, accompanied by moderate humidity at 44%.
In contrast, December experiences milder temperatures, with minimums of -2°C (28°F) and maximums reaching 21°C (69°F), averaging 11°C (52°F). However, it is significantly wetter, with precipitation soaring to 219 mm (8.6 in) over 26 days and humidity rising to a high 89%. These differences highlight how much more variable December's weather is compared to the drier summer month of August. For a detailed outlook on December weather, you can visit Colca weather in December.
August in Colca offers a unique weather experience, characterized by cool temperatures and relatively low humidity. With daytime highs reaching a mild 19°C and nighttime lows dipping below freezing, visitors will appreciate the crisp, refreshing air. Compared to other months, August sees a notable reduction in rainfall, averaging just 22 mm over six days, making it a drier time of year that’s perfect for exploring the region’s stunning landscapes. This blend of cool days and clear skies creates an ideal backdrop for trekking and outdoor adventures. For a deeper dive into what to expect throughout the year, check out Colca Climate.