October Weather in Indiana, Peru

Last updated: August 27, 2025

In Indiana, Peru, the average temperature in October hovers around 27°C (80°F), creating a warm and inviting atmosphere. Temperatures can dip as low as 21°C (71°F) and rise to a sizzling 35°C (95°F). During this month, you can expect 216 mm (8.5 in) of precipitation spread across 25 days, contributing to an average humidity of 62%. Whether you're looking to bask in the sun or enjoy the refreshing rains, there's something for everyone in Indiana this October!

October Temperature in Indiana

In October in Indiana, the average temperature is 27°C (80°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 21°C (71°F). This warm and pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities in Indiana.

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

The chart illustrates October temperature patterns in Indiana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Indiana, October typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (71°F).

Data source: Temperature data for Indiana generated using information from the Copernicus Climate Change Service.

October Precipitation in Indiana

In Indiana in October, the precipitation amount is 216 mm (8.5 in) over the course of 25 days.

October Precipitation Trends in Indiana

The chart displays monthly precipitation patterns in Indiana, 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 Indiana, October typically receives around 216 mm (8.5 inches) of precipitation spread over approximately 25 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Indiana

In Indiana in October, humidity is 62%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making travel comfortable but slightly sticky, prompting frequent hydration breaks and a leisurely pace to fully enjoy the surroundings.

October Average Humidity in Indiana

This chart illustrates the average monthly humidity levels in Indiana, 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 Indiana is approximately 62%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Indiana

In Indiana in October, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Indiana, you can check here.

Maximum UV Index Levels in Indiana for October

The chart shows the monthly maximum UV Index (UVI) for Indiana 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 Indiana typically reaches 14, which falls under the extreme exposure category.

Data source: Indiana 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 Indiana Compares to Other Months

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

This table compares monthly weather conditions in Indiana, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	257 mm (10.1 inches)	83%	extreme
February Weather	26°C (80°F)	212 mm (8.3 inches)	79%	extreme
March Weather	26°C (79°F)	312 mm (12.3 inches)	82%	extreme
April Weather	26°C (79°F)	321 mm (12.7 inches)	86%	extreme
May Weather	26°C (79°F)	236 mm (9.3 inches)	91%	extreme
June Weather	26°C (78°F)	246 mm (9.7 inches)	85%	extreme
July Weather	25°C (78°F)	175 mm (6.9 inches)	76%	extreme
August Weather	26°C (79°F)	115 mm (4.5 inches)	68%	extreme
September Weather	27°C (80°F)	179 mm (7.0 inches)	60%	extreme
October Weather	27°C (80°F)	216 mm (8.5 inches)	62%	extreme
November Weather	26°C (80°F)	239 mm (9.4 inches)	76%	extreme
December Weather	26°C (79°F)	285 mm (11.2 inches)	87%	extreme