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October Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In October, the average temperature in Santa Rosa, Peru hovers around 6°C (43°F). Be prepared for a chilly experience, as the temperature can dip as low as -7°C (20°F), while reaching a comfortable 18°C (64°F) on warmer days. Travelers should also account for precipitation, with an average of 121 mm (4.8 in) spread across 21 days, all accompanied by a notable average humidity of 77%.

October Temperature in Santa Rosa

In October in Santa Rosa, the average temperature is 6°C (43°F). Maximums can reach 18°C (64°F), while minimums can dip as low as -7°C (20°F). Travelers should be prepared for a wide range of temperatures, so dressing in layers is advisable.

October Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, October typically has an average temperature of 6°C (43°F), with highs reaching up to 18°C (64°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec424242413938384042434443
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in October, the total precipitation amount is 121 mm (4.8 in) recorded over a period of 21 days.

October Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, October typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec2502642641155214131459121154245
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Santa Rosa

In Santa Rosa in October humidity is 77%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress warmly and stay active while exploring the area.

October Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%92%91%87%76%57%51%67%77%85%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Santa Rosa

In Santa Rosa in October, the maximum UV index reaches 19, which corresponds to an extreme exposure category. With a time to burn of just 10 minutes, it’s essential to take precautions. For detailed information, you can check the hourly UV index in Santa Rosa.

Maximum UV Index Levels in Santa Rosa for October

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 19, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec232322181411131518191921
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)250 mm (9.8 inches)92%extreme
February Weather6°C (42°F)264 mm (10.4 inches)93%extreme
March Weather6°C (42°F)264 mm (10.4 inches)92%extreme
April Weather5°C (42°F)114 mm (4.5 inches)91%extreme
May Weather4°C (40°F)52 mm (2.0 inches)87%extreme
June Weather3°C (38°F)14 mm (0.5 inches)76%extreme
July Weather3°C (38°F)13 mm (0.5 inches)57%extreme
August Weather5°C (41°F)14 mm (0.5 inches)51%extreme
September Weather6°C (43°F)59 mm (2.3 inches)67%extreme
October Weather6°C (43°F)121 mm (4.8 inches)77%extreme
November Weather7°C (44°F)154 mm (6.0 inches)85%extreme
December Weather6°C (43°F)245 mm (9.6 inches)90%extreme

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