October Weather in Colca, Peru

Last updated: August 27, 2025

In Colca, Peru during October, temperatures create a refreshing climate with a maximum of 21°C (69°F) and an average of 10°C (51°F), dipping to a minimum of -1°C (30°F) at night. The region experiences a significant amount of rainfall, with 107 mm (4.2 in) accumulating over 22 days, making it a notably wet month. Humidity levels hover around 65%, contributing to the region's lush, vibrant landscapes. Visitors can expect a blend of mild warmth and intermittent showers, perfect for experiencing the breathtaking beauty of Colca while immersing in its rich cultural tableau.

October Temperature in Colca

In October, Colca, Peru experiences a slight warming trend, presenting a pleasant climate for visitors. With daily temperatures ranging from a minimum of -1°C (30°F) to a comfortable maximum of 21°C (69°F), the average temperature hovers around 10°C (51°F). This month marks a transition as temperatures slowly rise after the colder winter months. As the region moves further away from the frostier conditions of June and July, October offers a delightful mix of mild daytime warmth and cool evenings, making it an ideal time for trekking and exploring the breathtaking landscapes of the Colca Canyon.

October Weather in Colca: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Colca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colca, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec515150494847464850515251
Data source: Temperature data for Colca generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Colca

In October, Colca, Peru experiences a notable uptick in precipitation, receiving 107 mm (approximately 4.2 in) of rain over 22 days. This increase indicates a shift into a wetter season, transitioning from the drier months of May through September. The rainfall is significantly higher than the preceding month of September, which recorded only 52 mm. This surge in precipitation not only rejuvenates the region's lush landscapes but also signals the onset of the rainy season, preparing the environment for the more intense downpours typical of November and December. As October approaches, the landscape of Colca transforms, with inhabitants welcoming the much-needed moisture after the long dry spell.

October Precipitation Trends in Colca

The chart displays monthly precipitation patterns in Colca, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Colca, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec209231250834414152252107138219
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Colca

In October, the humidity in Colca, Peru, hovers at a moderate 65%, signaling a shift from the drier months of July and August, where levels dipped to their lowest at 54% and 44%, respectively. As the year progresses, a gradual increase in humidity is observed, rising from a refreshing 54% in the peak of winter to a more humid atmosphere in the spring and fall. This trend reflects the region's transition towards its wetter months, contrasting sharply with the near-saturated conditions of early summer, where humidity levels peak at around 93% in January. Overall, October represents a balanced mix of the comfortable dryness of the previous months, blending into the humidity that characterizes the end of the year.

October Average Humidity in Colca

This chart illustrates the average monthly humidity levels in Colca, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Colca is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%92%90%85%70%55%44%52%65%81%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Colca

In October, the UV Index in Colca, Peru rises to 18, maintaining its status within the extreme exposure category that characterizes many months of the year. This trend echoes the high UV levels observed from January through March, creating a consistent pattern that requires careful sun protection, as even brief outdoor activities can lead to skin damage in just 10 minutes. Following a slight dip during the mid-year months, the UV Index rebounds to similar heights in October and will hold steady into November and December. As the sun remains strong during this time, visitors should be particularly vigilant about protecting their skin. For more details on UV levels throughout the year, visit Colca UV Index.

Maximum UV Index Levels in Colca for October

The chart shows the monthly maximum UV Index (UVI) for Colca in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Colca typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec181919171411131416181818
Data source: Colca October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Colca

In October, Colca showcases an impressive 311 hours of sunshine, continuing the trend of abundant daylight that peaks in the preceding months of July and August. This delightful weather not only invites adventurers to explore the breathtaking landscapes but also hints at the region's transition toward the milder conditions of late fall. As the year progresses, October remains a bright beacon, ensuring that visitors can revel in the stunning panoramas of Colca while basking in the warm glow of the sun. This ideal weather is perfect for hiking among the towering mountains and experiencing the rich culture of this vibrant Peruvian destination.

Monthly Sunshine Duration in Colca: October Highlighted

The October sunshine duration represents the total number of hours Colca experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec228h249h279h285h313h299h318h328h315h311h279h274h
Data source: Colca October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Colca During October

When considering the likelihood of sunny weather in October in Colca, Peru, it’s essential to recognize an interesting trend throughout the year. October offers a 24% chance of sunshine, reflecting a significant drop following the sunniest months of July and August, which boast chances of 64% and 54%, respectively. This decreasing trend starts from the peak summer months and continues into fall, as the chances of sun dip from 42% in May to 10% in November. Thus, while October still presents a reasonable opportunity for clear skies, travelers should prepare for potential shifts in weather patterns as the region transitions into the heart of the rainy season.

Percentage of Sunny Days in October in Colca

The chart illustrates the percentage of sunny days in Colca throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Colca experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%13%7%24%42%39%64%54%36%24%10%16%
Data source: Colca October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Colca in October

In October, Colca, Peru enjoys a delightful return to 12 hours of daylight, a trend that mirrors earlier months such as January, February, September, and November. This consistency in daylight duration fosters a vibrant atmosphere perfect for exploring the breathtaking landscapes of the region. The transition from the sunlit days of October represents a poignant shift from the slightly shorter daylight hours seen from April through August, revealing the area's unique ability to sustain a balance of light throughout the year. As autumn sets in, visitors can relish in the clarity of the longer days, making it an ideal time to immerse themselves in the natural beauty and cultural richness of Colca Valley.

Average Daylight Hours in Colca for October

The chart illustrates the variation in daylight duration in Colca throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 49m12h 31m12h 8m11h 45m11h 27m11h 18m11h 23m11h 39m12h 1m12h 24m12h 44m12h 54m
Data source: Colca daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Colca

As October settles in Colca, Peru, the winds are gently dancing at an average speed of 1.2 m/s (3 mph), maintaining a consistent breezy ambiance reminiscent of the previous month's gentle gusts. Following a gradual increase since September, when winds picked up to 1.4 m/s (3 mph), October marks a slight decrease, yet remains firmly within the breezy spectrum typical for the region. This trend of steady winds, which hovered between 1.1 and 1.4 m/s throughout the year, contributes to the serene beauty of Colca’s landscapes, making it an ideal time for visitors to embrace the crisp air and stunning vistas. As the month transitions into the heart of spring, the winds continue to weave through the valleys, bringing with them a refreshing touch that complements this vibrant season.

Average October Wind Speed in Colca

The chart displays monthly wind speed patterns in Colca, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.11.21.11.11.11.11.21.31.41.2 m/s1.11.2
Data source: Colca October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Colca Compares to Other Months

Weather in Colca varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Colca, focusing on differences in temperature, rainfall, humidity, and UV levels.

October weather is characterized by milder temperatures, with a minimum of -1°C (30°F) and a maximum of 21°C (69°F), and an average of 10°C (51°F). The month sees a moderate amount of precipitation, totaling 107 mm (4.2 in) over approximately 22 days, accompanied by a humidity level of 65%. In contrast, January experiences slightly warmer temperatures, with a minimum of 2°C (36°F) and a maximum of 20°C (68°F), while maintaining the same average temperature of 10°C (51°F). However, it is significantly wetter, with precipitation reaching 209 mm (8.2 in) over 23 days, and humidity levels rising to 93%. This makes January feel far more humid and wet compared to October. For more information on January weather in the region, you can visit Colca weather in January.

In comparing the weather between October and February, both months feature a similar average temperature of 10°C (51°F), but they vary significantly in other aspects. October experiences milder conditions with temperatures ranging from a low of -1°C (30°F) to a high of 21°C (69°F) and relatively lower precipitation at 107 mm (4.2 in) over 22 days. In contrast, February sees slightly warmer temperatures, from 0°C (32°F) to a maximum of 19°C (66°F), but it is much wetter, with precipitation reaching 230 mm (9.1 in) across 27 days and higher humidity at 92%. This makes October more pleasant for outdoor activities, while February is marked by dampness and a cooler atmosphere. For more detailed information specific to February, you can visit Colca weather in February.

In October, the weather is characterized by a temperature range of -1°C to 21°C, with an average of 10°C, making it a generally mild month. However, it also brings significant precipitation, averaging 107 mm over approximately 22 rainy days and a humidity level of 65%. In contrast, March sees slightly warmer temperatures, with a minimum of 3°C and a maximum of 18°C, while still averaging around 10°C. March experiences almost double the rainfall compared to October, with 250 mm spread across 30 days and a higher humidity rate of 92%. For further insights on March weather, you can explore Colca weather in March.

When comparing the weather in October and April, both months feature similar average temperatures, hovering around 10°C (51°F) and 10°C (50°F), respectively. However, October experiences slightly warmer maximum temperatures of up to 21°C (69°F) compared to April's high of 18°C (65°F). In terms of precipitation, October is wetter, receiving 107 mm (4.2 in) over 22 days, while April has 83 mm (3.3 in) falling on 19 days. Notably, April is also characterized by higher humidity levels at 90%, compared to October's 65%. For more detailed weather insights, you can check Colca weather in April.

October and May present contrasting weather patterns. In October, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 21°C (69°F), with an average of 10°C (51°F). The month is marked by significant precipitation, totaling 107 mm (4.2 in) over 22 days, combined with a moderate humidity level of 65%. In contrast, May experiences slightly cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 19°C (66°F), resulting in an average of 9°C (48°F). The precipitation in May is notably lower at 44 mm (1.7 in) spread across 12 days, and the humidity is higher at 85%. For more detailed information on May weather, you can visit Colca weather in May.

October weather is generally milder than June, with average temperatures around 10°C (51°F) compared to June's cooler average of 8°C (47°F). The maximum temperatures in October can reach up to 21°C (69°F), while June peaks at 18°C (64°F). October also experiences significantly more rainfall, with 107 mm (4.2 inches) over about 22 days, contrasting sharply with June's modest 14 mm (0.5 inches) spread over just 4 days. Additionally, October's humidity level stands at 65%, slightly lower than June’s 70%. For more detailed information, you can check Colca weather in June.

When comparing the weather in October and July, we see notable differences in temperature and precipitation. In October, the average temperature is a mild 10°C (51°F), with maximums reaching up to 21°C (69°F), while July is cooler with an average of 8°C (47°F) and highs only reaching 19°C (66°F). Additionally, October experiences significantly more precipitation, averaging 107 mm (4.2 in) over 22 days, compared to just 15 mm (0.6 in) over 3 days in July. The humidity levels are also higher in October at 65%, in contrast to July's 54%. For more specifics on July weather, you can check Colca weather in July.

In comparing the weather between October and August, October tends to be milder with average temperatures reaching up to 10°C (51°F), whereas August remains cooler with an average of 9°C (48°F). While both months experience low minimum temperatures, October's minimum is slightly higher at -1°C (30°F) compared to August's -5°C (23°F). Precipitation levels also vary significantly; October sees more rain, with 107 mm (4.2 in) over 22 days, while August enjoys a much drier climate with only 22 mm (0.9 in) across just 6 days. Additionally, humidity in October is notably higher at 65%, compared to 44% in August, contributing to a more damp atmosphere during the fall month. For more detailed insights into August weather, you can refer to Colca weather in August.

October and September exhibit notable differences in weather patterns. While both months experience a minimum temperature of around -1°C (30°F), October showcases a slightly warmer average temperature of 10°C (51°F) compared to September's 10°C (50°F). The maximum temperature also inches up in October to 21°C (69°F) from September's 20°C (67°F). Precipitation levels rise significantly in October, reaching 107 mm (4.2 in) over 22 days, nearly doubling September's rainfall of 52 mm (2.1 in) over 14 days. Additionally, October tends to be more humid with an average humidity of 65%, compared to September's 52%. For a more detailed look at weather trends during this period, see Colca weather in September.

October and November exhibit similar weather patterns, with both months experiencing mild temperatures and notable rainfall. October sees temperatures ranging from a minimum of -1°C (30°F) to a maximum of 21°C (69°F), while November offers slightly warmer conditions, with a minimum of 0°C (33°F) and a maximum of 22°C (72°F). Precipitation increases from 107 mm (4.2 inches) in October to 138 mm (5.4 inches) in November, with both months experiencing around 21-22 days of rain. Additionally, November has a higher humidity level of 81% compared to October's 65%, contributing to a more damp feel as the season transitions. For a closer look at weather specifics, you can visit Colca weather in November.

October and December exhibit distinct weather patterns, reflecting the transition from autumn to winter. In October, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 21°C (69°F), with an average of 10°C (51°F). The month tends to be relatively wet, with 107 mm (4.2 in) of precipitation over 22 days and humidity around 65%. In contrast, December experiences slightly colder mornings with a minimum temperature of -2°C (28°F) but maintains an equivalent maximum of 21°C (69°F) and an average of 11°C (52°F). However, December sees a significant increase in precipitation, totaling 219 mm (8.6 in) across 26 days, resulting in higher humidity levels of 89%. For a detailed look at December weather in specific regions, you can check out Colca weather in December.

Compare Colca's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Colca

As October rolls into Colca, visitors can expect a charming contrast to the drier months earlier in the year. With temperatures fluctuating between a comfortable 10°C (51°F) on average to chilly lows nearing freezing, this month introduces a refreshing coolness that beckons outdoor exploration. However, don't forget your umbrella! October is marked by a significant uptick in precipitation, with over 100 mm of rain falling throughout the month, making it one of the wetter times to experience the lush landscapes. As the humidity settles around 65%, the scenery transforms, offering a vibrant display of the region's natural beauty. For more insights into how October compares to other months, visit Colca Climate.