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October Weather in Rancagua, Chile

Last updated: August 22, 2025

In Rancagua, Chile, the average temperature in October hovers around 13°C (55°F). You can experience a comfortable range, with minimum temperatures dipping as low as -1°C (30°F) and soaring to a maximum of 28°C (82°F). Don't forget your umbrella, as you can expect about 69 mm (2.7 in) of precipitation over 8 days. With an average humidity level of 64%, this month offers a refreshing blend of warmth and moisture.

October Temperature in Rancagua

In October in Rancagua, the average temperature is 13°C (55°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop as low as -1°C (30°F). This weather variation makes Rancagua an ideal destination for travelers to experience a mix of mild days and crisp, cool evenings.

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

The chart illustrates October temperature patterns in Rancagua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rancagua, October typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec696864585145444751556267
Data source: Temperature data for Rancagua 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 Rancagua

In Rancagua in October, the precipitation amount is 69 mm (2.7 in) that falls over a period of 8 days.

October Precipitation Trends in Rancagua

The chart displays monthly precipitation patterns in Rancagua, 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 Rancagua, October typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1869206015083886569197
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Rancagua

In Rancagua in October, humidity is 64%. With an average temperature of 13°C (55°F), this humidity feels like a cool, refreshing embrace that makes exploring the area both invigorating and comfortable, perfect for leisurely strolls and outdoor adventures.

October Average Humidity in Rancagua

This chart illustrates the average monthly humidity levels in Rancagua, 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 Rancagua is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec40%41%46%54%70%78%82%79%62%64%53%39%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Rancagua

In Rancagua in October, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Rancagua.

Maximum UV Index Levels in Rancagua for October

The chart shows the monthly maximum UV Index (UVI) for Rancagua 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 Rancagua typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468111314
Data source: Rancagua 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 Rancagua Compares to Other Months

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

This table compares monthly weather conditions in Rancagua, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (69°F)18 mm (0.7 inches)40%extreme
February Weather20°C (68°F)6 mm (0.2 inches)41%extreme
March Weather18°C (64°F)9 mm (0.3 inches)46%extreme
April Weather14°C (58°F)20 mm (0.8 inches)54%very high
May Weather11°C (51°F)60 mm (2.3 inches)70%moderate
June Weather7°C (45°F)150 mm (5.9 inches)78%moderate
July Weather7°C (45°F)83 mm (3.3 inches)82%moderate
August Weather8°C (47°F)88 mm (3.5 inches)79%high
September Weather11°C (52°F)65 mm (2.5 inches)62%very high
October Weather13°C (55°F)69 mm (2.7 inches)64%extreme
November Weather17°C (62°F)19 mm (0.7 inches)53%extreme
December Weather19°C (67°F)7 mm (0.3 inches)39%extreme

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