nomadseason

October Weather in Santiago, Peru

Last updated: August 27, 2025

In October, the average temperature in Santiago, Peru is a pleasant 19°C (67°F), with a minimum of 13°C (55°F) and a comfortable maximum of 28°C (83°F). Expect very light rainfall, with only 1 mm (0.0 in) of precipitation over 0 days. The average humidity sits at a moderate 78%, making for an enjoyable atmosphere.

October Temperature in Santiago

In October in Santiago, the average temperature is 19°C (67°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop to as low as 13°C (55°F). This mild climate makes Santiago a comfortable destination for travelers seeking pleasant weather.

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

The chart illustrates October temperature patterns in Santiago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago, October typically has an average temperature of 19°C (67°F), with highs reaching up to 28°C (83°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec737575726865646465666871
Data source: Temperature data for Santiago 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 Santiago

In Santiago in October, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

October Precipitation Trends in Santiago

The chart displays monthly precipitation patterns in Santiago, 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 Santiago, October typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec302512311100114
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Santiago

In Santiago in October humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.

October Average Humidity in Santiago

This chart illustrates the average monthly humidity levels in Santiago, 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 Santiago is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%88%85%78%76%74%74%78%82%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Santiago

In Santiago in October, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santiago.

Maximum UV Index Levels in Santiago for October

The chart shows the monthly maximum UV Index (UVI) for Santiago 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 Santiago typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161514119101214151616
Data source: Santiago 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 Santiago Compares to Other Months

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

This table compares monthly weather conditions in Santiago, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)30 mm (1.2 inches)85%extreme
February Weather24°C (75°F)25 mm (1.0 inches)85%extreme
March Weather24°C (75°F)12 mm (0.5 inches)86%extreme
April Weather22°C (72°F)3 mm (0.1 inches)88%extreme
May Weather20°C (68°F)1 mm (0.0 inches)85%extreme
June Weather18°C (66°F)1 mm (0.0 inches)78%very high
July Weather18°C (64°F)1 mm (0.0 inches)75%very high
August Weather18°C (64°F)0 mm (0.0 inches)73%extreme
September Weather18°C (65°F)0 mm (0.0 inches)74%extreme
October Weather19°C (67°F)1 mm (0.0 inches)78%extreme
November Weather20°C (69°F)1 mm (0.0 inches)82%extreme
December Weather22°C (71°F)4 mm (0.2 inches)83%extreme

Compare Santiago's Climate with Cities Worldwide