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October Weather in Westerville, United States

Last updated: June 24, 2025

In October, the average temperature in Westerville, United States hovers around 14°C (58°F). The weather can be quite variable, with minimums dipping to -2°C (29°F) and maximums soaring to 33°C (92°F). Rainfall is also a consideration, with an average precipitation of 99 mm (3.9 in) spread over 13 days, while the average humidity sits at a comfortable 82%. Be prepared for a mix of conditions!

October Temperature in Westerville

In October in Westerville, the average temperature is 14°C (58°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as -2°C (29°F). It's advisable to pack for a range of weather conditions when traveling during this month.

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

The chart illustrates October temperature patterns in Westerville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westerville, October typically has an average temperature of 14°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342516371757368574136
Data source: Temperature data for Westerville 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 Westerville

In Westerville in October, the precipitation amount is 99 mm (3.9 in) over the course of 13 days.

October Precipitation Trends in Westerville

The chart displays monthly precipitation patterns in Westerville, 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 Westerville, October typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec781041051161241441117486999697
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Westerville

In Westerville in October, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

October Average Humidity in Westerville

This chart illustrates the average monthly humidity levels in Westerville, 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 Westerville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Westerville

In Westerville 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 Westerville, you can refer to this Hourly UV Index in Westerville.

Maximum UV Index Levels in Westerville for October

The chart shows the monthly maximum UV Index (UVI) for Westerville 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 Westerville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Westerville 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 Westerville Compares to Other Months

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

This table compares monthly weather conditions in Westerville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)78 mm (3.1 inches)88%moderate
February Weather1°C (34°F)104 mm (4.1 inches)87%moderate
March Weather5°C (42°F)105 mm (4.1 inches)87%high
April Weather11°C (52°F)116 mm (4.6 inches)87%very high
May Weather17°C (63°F)124 mm (4.9 inches)81%very high
June Weather22°C (72°F)144 mm (5.7 inches)82%very high
July Weather24°C (76°F)111 mm (4.4 inches)81%very high
August Weather23°C (73°F)74 mm (2.9 inches)78%very high
September Weather20°C (69°F)86 mm (3.4 inches)78%very high
October Weather14°C (58°F)99 mm (3.9 inches)82%high
November Weather5°C (42°F)96 mm (3.8 inches)89%moderate
December Weather2°C (36°F)97 mm (3.8 inches)86%moderate

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