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October Weather in Calca, Peru

Last updated: August 27, 2025

In Calca, Peru, the average temperature in October hovers around 8°C (46°F). Expect minimum temperatures to drop to 0°C (32°F), while highs can reach up to 18°C (64°F). Additionally, the month sees 147 mm (5.8 in) of precipitation over approximately 26 days, contributing to an average humidity of 64%. Be prepared for a mix of chilly days and occasional rain!

October Temperature in Calca

In October in Calca, the average temperature is 8°C (46°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop to as low as 0°C (32°F). Travelers should be prepared for a cool to mild climate, making it a great time to explore the area's attractions while layering up for cooler evenings.

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

The chart illustrates October temperature patterns in Calca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calca, October typically has an average temperature of 8°C (46°F), with highs reaching up to 18°C (64°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec464646464544434445464747
Data source: Temperature data for Calca generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Calca

In Calca in October, the total precipitation amount is 147 mm (5.8 in), occurring over the course of 26 days.

October Precipitation Trends in Calca

The chart displays monthly precipitation patterns in Calca, 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 Calca, October typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec2062662181285731304675147181256
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Calca

In Calca in October humidity is 64%. With an average temperature of 8°C (46°F), this humidity feels like a chilly embrace, making traveling somewhat brisk and invigorating, but you might want to dress in layers to balance the moisture in the air.

October Average Humidity in Calca

This chart illustrates the average monthly humidity levels in Calca, 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 Calca is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%92%90%88%77%55%44%51%64%84%93%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Calca

In Calca in October, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in Calca.

Maximum UV Index Levels in Calca for October

The chart shows the monthly maximum UV Index (UVI) for Calca 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 Calca typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191919171411131416182318
Data source: Calca 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.

How October Weather in Calca Compares to Other Months

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

This table compares monthly weather conditions in Calca, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)206 mm (8.1 inches)94%extreme
February Weather8°C (46°F)265 mm (10.5 inches)92%extreme
March Weather8°C (46°F)218 mm (8.6 inches)92%extreme
April Weather8°C (46°F)128 mm (5.0 inches)90%extreme
May Weather7°C (45°F)56 mm (2.2 inches)88%extreme
June Weather7°C (44°F)31 mm (1.2 inches)77%extreme
July Weather6°C (44°F)30 mm (1.2 inches)55%extreme
August Weather7°C (44°F)46 mm (1.8 inches)44%extreme
September Weather7°C (45°F)74 mm (2.9 inches)51%extreme
October Weather8°C (46°F)147 mm (5.8 inches)64%extreme
November Weather9°C (48°F)181 mm (7.1 inches)84%extreme
December Weather8°C (47°F)256 mm (10.1 inches)93%extreme

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