October Weather in Ayacucho, Peru

Last updated: August 27, 2025

In October, Ayacucho, Peru, experiences a mild climate characterized by maximum temperatures reaching 21°C (71°F) and an average temperature of 10°C (51°F), with chilly minimums dipping down to -1°C (30°F). This transitional month also sees around 76 mm (3.0 in) of precipitation spread over approximately 20 days, contributing to a humidity level of 65% that enhances the region's vibrant scenery. Visitors during this time can expect cool, refreshing weather, perfect for exploring the rich cultural heritage of Ayacucho while enjoying the lush landscapes nourished by the recent rains.

October Temperature in Ayacucho

In Ayacucho, Peru, October brings a refreshing shift in temperatures, marking the transition to milder days as the year progresses. With nighttime lows averaging around -1°C (30°F), the crisp air reminds residents of the region’s cool climate. As the sun rises, daytime temperatures pleasantly climb to an average of 10°C (51°F), peaking at a comfortable 21°C (71°F). This slight increase from previous months hints at the approach of the warmer season, while still maintaining the unique chill characteristic of Ayacucho's higher altitudes. Overall, October weaves together the enduring coolness of the region with hints of warmth, creating a delightful atmosphere perfect for outdoor exploration.

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

The chart illustrates October temperature patterns in Ayacucho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ayacucho, 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).
JanFebMarAprMayJunJulAugSepOctNovDec515151504947464749515352
Data source: Temperature data for Ayacucho 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 Ayacucho

In October, Ayacucho, Peru, experiences a noticeable shift in precipitation, with rainfall reaching 76 mm (3.0 in) over approximately 20 days. This uptick follows the drier months of July and August, marking a transition towards the wet season. Compared to September's 43 mm and 14 rainy days, October sees both increased rainfall and the frequency of precipitation events. This trend not only enhances the lushness of the local landscape but also signals the onset of more substantial rains in November, which can reach up to 105 mm (4.1 in). Overall, October serves as a pivotal month in Ayacucho's climatic cycle, bridging the gap between the dry winter months and the heavier precipitation of late fall.

October Precipitation Trends in Ayacucho

The chart displays monthly precipitation patterns in Ayacucho, 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 Ayacucho, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17020118670372016254376105157
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Ayacucho

In October, Ayacucho experiences a noticeable rise in humidity, reaching 65% after the drier months of July and August, which saw figures as low as 44%. Following a gradual decline from the oppressive humidity of 93% in January to a low of 54% in July, October marks a transitional phase, hinting at the onset of the wetter season. As humidity begins to climb again, local residents and visitors alike may welcome the refreshing air that precedes the rains of November, which return to 81%. This pattern underscores Ayacucho's dynamic climate, where sharp shifts in moisture levels create a distinct rhythm throughout the year.

October Average Humidity in Ayacucho

This chart illustrates the average monthly humidity levels in Ayacucho, 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 Ayacucho 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 Ayacucho

In October, Ayacucho experiences a notably high UV Index of 18, categorized as extreme, with a rapid burn time of just 10 minutes. This month continues the trend of elevated UV exposure that starts robustly at 19 in the early months of the year and gradually decreases through mid-year, only to climb back up again in the fall. With only slight variations throughout the year, the UV levels remain consistently dangerous, emphasizing the necessity for protective measures against sun exposure. Always be prepared and informed about the UV conditions in Ayacucho by visiting Ayacucho UV Index.

Maximum UV Index Levels in Ayacucho for October

The chart shows the monthly maximum UV Index (UVI) for Ayacucho 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 Ayacucho typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919171412131516181818
Data source: Ayacucho 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 Ayacucho

October in Ayacucho, Peru, continues the region's impressive display of sunshine, with 315 hours of glorious sunlight, making it one of the peak months for sunlight throughout the year. Following a trend of gradually increasing brightness, October maintains a remarkable consistency, only slightly less than the highest sunlit months in July and August. As the year transitions into the latter months, the sunlight begins to taper; however, October still enjoys a robust share of sunny days, ideal for exploring the vibrant culture and stunning landscapes of this Andean city. With more sunshine than the average November and December, October offers a delightful balance of warmth and light for visitors and locals alike.

Monthly Sunshine Duration in Ayacucho: October Highlighted

The October sunshine duration represents the total number of hours Ayacucho 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.
JanFebMarAprMayJunJulAugSepOctNovDec219h241h269h286h316h301h321h330h317h315h276h269h
Data source: Ayacucho October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ayacucho During October

In Ayacucho, Peru, the likelihood of sunny weather experiences a notable shift throughout the year. As the calendar turns from September to October, the chances of sun drop to 24%, signaling a departure from the more promising summer months. This pattern reflects a gradual transition into the cooler, cloudier months of the year, with sunlight peaking in the height of winter around July at an impressive 65%. The relatively low October likelihood follows a more favorable May where sun-chasing adventurers enjoy 41% sunny days. As the year closes, hope for sunshine dwindles again in the final months, with November and December seeing their chances plummet to just 8%. Thus, while October offers occasional bright spells, it marks the beginning of a shift towards a less sunny horizon.

Percentage of Sunny Days in October in Ayacucho

The chart illustrates the percentage of sunny days in Ayacucho 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 Ayacucho experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%11%7%22%41%35%65%51%38%24%9%15%
Data source: Ayacucho October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ayacucho in October

In Ayacucho, Peru, October marks a delightful return to 12 hours of daylight, mirroring the perfect balance found in the earlier months of the year. As one transitions from the consistently bright days of January through March, the daylight gradually shortens to 11 hours from April to August. This slight dip in daylight hints at the onset of the colder months, yet by September, the sun re-emerges with renewed vigor, restoring the 12 hours that continues into October and the rest of the year. The cyclical shift in daylight not only enhances the beauty of the landscape but also offers a rhythmic reassurance of nature's patterns, inviting both residents and visitors to embrace the vibrant energy of Ayacucho throughout the months.

Average Daylight Hours in Ayacucho for October

The chart illustrates the variation in daylight duration in Ayacucho throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 47m12h 30m12h 8m11h 46m11h 29m11h 20m11h 25m11h 40m12h 1m12h 23m12h 42m12h 52m
Data source: Ayacucho daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Ayacucho

As October settles into Ayacucho, Peru, the wind whispers a gentle tune, boasting an average speed of 1.5 m/s (3 mph). This month marks a slight decrease from September's peak of 1.6 m/s while maintaining a steady rhythm similar to the preceding summer months. Following a pattern observed throughout the year, October's winds continue to dance within the calm range, with neither extreme gusts nor tranquil lulls. The variation in wind speed throughout the year reveals a subtle ebb and flow, with the breezes consistently hovering around 1.4 m/s. This adaptable climate, with its gentle winds, invites residents and visitors alike to enjoy the enchanting landscapes, while hinting at the seasonal transitions to come.

Average October Wind Speed in Ayacucho

The chart displays monthly wind speed patterns in Ayacucho, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.41.41.31.41.31.51.51.61.5 m/s1.31.4
Data source: Ayacucho October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Ayacucho Compares to Other Months

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

In October, the weather exhibits a cooler range with temperatures reaching a minimum of -1°C (30°F) and an average of 10°C (51°F), while maximums can climb to 21°C (71°F). This month sees moderate precipitation at 76 mm (3.0 in) over approximately 20 days and a humidity level of 65%. In contrast, January experiences slightly warmer temperatures, with a minimum of 3°C (38°F) and an average of 11°C (51°F), while still peaking at 21°C (70°F). However, the month is notably wetter, accumulating 170 mm (6.7 in) of rainfall over 24 days, leading to increased humidity at 93%. For more specific details about January weather, you can refer to Ayacucho weather in January.

When comparing the weather in October and February, notable differences in temperature and precipitation emerge. In October, temperatures range from a minimum of -1°C (30°F) to a pleasant maximum of 21°C (71°F), giving an average of 10°C (51°F). The month experiences 76 mm (3.0 in) of precipitation over about 20 days, with humidity levels around 65%. In contrast, February sees slightly higher temperatures, with a minimum of 1°C (34°F) and a maximum of 19°C (67°F), averaging 11°C (52°F). However, it is much wetter, with precipitation reaching 201 mm (7.9 in) over 26 days and higher humidity at 92%. For more specific data on February weather, you can visit Ayacucho weather in February.

When comparing the weather in October and March, both months show an average temperature of around 10°C (51°F), but their characteristics differ significantly. In October, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 21°C (71°F), while March starts slightly warmer with a minimum of 3°C (38°F) and peaks at 18°C (64°F). Precipitation levels also vary; October sees 76 mm (3.0 in) over 20 days, compared to a much wetter March, which experiences 186 mm (7.3 in) across 30 days. Additionally, March is notably more humid, averaging 92% compared to October's 65%. For more detailed information, you can visit Ayacucho weather in March.

In comparing the weather of October and April, we find some interesting similarities and differences. Both months have an average temperature around 10°C (51°F), but while October experiences a wider temperature range with a minimum of -1°C (30°F) and a maximum of 21°C (71°F), April's temperatures are slightly milder, ranging from 0°C (33°F) to 19°C (66°F). Precipitation levels are relatively close, with October receiving 76 mm (3.0 in) over 20 days and April slightly less at 70 mm (2.8 in) across 21 days. However, humidity in April is notably higher at 90%, compared to October's 65%, making April feel more humid overall. For a deeper look into April weather specifics, you can check Ayacucho weather in April.

In October, the weather sees a broader range in temperatures, with minimums around -1°C (30°F) and maximums reaching 21°C (71°F), resulting in a mild average of 10°C (51°F). However, this month also brings considerable rainfall, with 76 mm (3.0 in) spread over 20 days and a humidity level of 65%. In contrast, May experiences slightly cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 19°C (67°F), leading to an average of 9°C (49°F). The precipitation is much lower at 37 mm (1.5 in) over just 12 days, but humidity is higher at 85%. For a more detailed understanding of the weather, check out Ayacucho weather in May.

In comparing the weather of October and June, October generally presents milder temperatures with a minimum of -1°C and a maximum of 21°C, contributing to an average of 10°C. In contrast, June experiences cooler weather with a minimum temperature of -2°C and a maximum of 18°C, leading to an average of 9°C. Additionally, October sees significantly more precipitation, with 76 mm over roughly 20 days, compared to June's lighter rainfall of 20 mm spread across just 5 days. While the humidity is slightly lower in October at 65% compared to June's 70%, both months still exhibit a notable level of moisture in the air. For a more detailed look at June's weather patterns, you can explore Ayacucho weather in June.

In comparing the weather of October and July, October tends to be milder with an average temperature of 10°C (51°F) and a maximum of 21°C (71°F), while July is slightly cooler, averaging 8°C (47°F) and peaking at 19°C (66°F). October experiences significantly more precipitation, with 76 mm (3.0 in) spread over 20 days, compared to just 16 mm (0.6 in) over 4 days in July. Additionally, October has a higher humidity level at 65%, whereas July maintains a relatively lower humidity of 54%. For those looking for more detailed insights into July weather, check out Ayacucho weather in July.

When comparing the weather in October and August, October tends to be milder with average temperatures reaching up to 10°C (51°F) and a maximum of 21°C (71°F), while August is slightly cooler, averaging 8°C (47°F) with a maximum of 19°C (66°F). Additionally, October experiences more precipitation, totaling 76 mm (3.0 in) over approximately 20 days, compared to August's modest 24 mm (1.0 in) over just 7 days. Humidity levels also differ, with October at 65% versus August's 44%, making October feel damper. For more details about the weather in August, you can visit Ayacucho weather in August.

In comparing the weather of October to that of September, we can see some noticeable differences. October experiences a wider range of temperatures, with a minimum of -1°C (30°F), an average of 10°C (51°F), and a maximum of 21°C (71°F), while September's temperatures hover slightly higher, with a minimum of 0°C (32°F), an average of 10°C (49°F), and a maximum of 19°C (67°F). Additionally, October is significantly wetter, receiving 76 mm (3.0 in) of precipitation over 20 days, compared to September's 43 mm (1.7 in) across just 14 days. The humidity levels also rise in October to 65%, whereas September maintains a lower humidity of 52%. For more detailed insights on September weather, feel free to check out Ayacucho weather in September.

In comparing the weather between October and November, we can observe a slight increase in both average temperature and humidity levels. October features a temperature range from a chilly -1°C (30°F) at its lowest to a warm 21°C (71°F) at its peak, with an average of 10°C (51°F). On the other hand, November sees temperatures that are generally milder, with lows of 4°C (39°F) and highs reaching 22°C (71°F), resulting in an average of 11°C (53°F). Additionally, November experiences increased precipitation, averaging 105 mm (4.1 in) over 23 days compared to October's 76 mm (3.0 in) over 20 days. The humidity also rises notably in November to 81%, making it a notably wetter month in comparison. For a closer look at November weather specifics, visit Ayacucho weather in November.

In comparing the weather of October and December, we see distinct differences in temperature and precipitation patterns. October experiences a wider range of temperatures with a minimum of -1°C (30°F) and a maximum of 21°C (71°F), while December stays relatively milder, with minimum temperatures rising to 2°C (35°F) and a similar maximum of 21°C (70°F). However, December brings significantly more rain, with a total of 157 mm (6.2 in) over 27 days compared to October's 76 mm (3.0 in) over 20 days, contributing to a higher humidity level of 89% in December. For a deeper dive into December conditions, you can check Ayacucho weather in December.

Compare Ayacucho's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Ayacucho

As October unfolds in Ayacucho, the weather showcases a distinct shift, characterized by cooler temperatures and increased precipitation compared to the preceding months. With maximums touching 21°C and a notable average of 10°C, residents experience a briskness that sets the stage for the rainier days ahead, as October sees about 20 days of rainfall totaling 76 mm. This heightened humidity, around 65%, adds to the crispness in the air, creating a refreshing atmosphere perfect for outdoor explorations. For those interested in understanding how the weather dynamics of October fits into the broader context of Ayacucho’s climate, further details can be found at Ayacucho Climate.