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October Weather in Zionsville, United States

Last updated: June 24, 2025

In October, the average temperature in Zionsville, United States is a mild 14°C (58°F). Be prepared for temperature fluctuations, as it can dip to a chilly -2°C (29°F) or soar to a warm 33°C (91°F). Expect about 105 mm (4.1 in) of precipitation spread over 12 days, contributing to an average humidity level of 76%. Whether you’re enjoying a sunny day or navigating a rainy one, ensure you’re well-prepared for the local climate!

October Temperature in Zionsville

In October in Zionsville, the average temperature is 14°C (58°F). The maximum can reach 33°C (91°F), and the minimum can be as low as -2°C (29°F). Be prepared for a wide range of temperatures when planning your travel to Zionsville during this time.

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

The chart illustrates October temperature patterns in Zionsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zionsville, October typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec293342526473767469574135
Data source: Temperature data for Zionsville 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 Zionsville

In Zionsville in October, the precipitation amount is 105 mm (4.1 in) over the course of 12 days.

October Precipitation Trends in Zionsville

The chart displays monthly precipitation patterns in Zionsville, 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 Zionsville, October typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec81891209314310510894761058774
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Zionsville

In Zionsville in October humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

October Average Humidity in Zionsville

This chart illustrates the average monthly humidity levels in Zionsville, 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 Zionsville is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Zionsville

In Zionsville in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Zionsville, you can refer to this Hourly UV Index in Zionsville.

Maximum UV Index Levels in Zionsville for October

The chart shows the monthly maximum UV Index (UVI) for Zionsville 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 Zionsville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Zionsville 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 Zionsville Compares to Other Months

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

This table compares monthly weather conditions in Zionsville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)81 mm (3.2 inches)87%moderate
February Weather0°C (33°F)88 mm (3.5 inches)85%moderate
March Weather6°C (42°F)120 mm (4.7 inches)86%high
April Weather11°C (52°F)93 mm (3.7 inches)84%very high
May Weather18°C (64°F)143 mm (5.6 inches)79%very high
June Weather23°C (74°F)104 mm (4.1 inches)82%extreme
July Weather25°C (77°F)108 mm (4.2 inches)79%very high
August Weather23°C (74°F)94 mm (3.7 inches)70%very high
September Weather21°C (70°F)76 mm (3.0 inches)69%very high
October Weather14°C (58°F)105 mm (4.1 inches)76%high
November Weather5°C (42°F)87 mm (3.4 inches)88%moderate
December Weather2°C (36°F)74 mm (2.9 inches)87%low

Compare Zionsville's Climate with Cities Worldwide