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October Weather in Wheaton, United States

Last updated: June 24, 2025

In Wheaton, United States, the average temperature in October hovers around 8°C (47°F), with a minimum dip to -12°C (10°F) and a maximum rise to 28°C (82°F). Expect 79 mm (3.1 in) of precipitation spread over 9 days, contributing to an average humidity of 82%. Stay prepared for a mix of chilly and warm weather as you explore!

October Temperature in Wheaton

In October in Wheaton, the average temperature is 8°C (47°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -12°C (10°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates October temperature patterns in Wheaton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wheaton, October typically has an average temperature of 8°C (47°F), with highs reaching up to 28°C (82°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec141430415871747063463222
Data source: Temperature data for Wheaton 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 Wheaton

In Wheaton in October, the precipitation amount is 79 mm (3.1 in) spread over 9 days.

October Precipitation Trends in Wheaton

The chart displays monthly precipitation patterns in Wheaton, 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 Wheaton, October typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1918375880798712178792336
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Wheaton

In Wheaton in October humidity is 82%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and requiring extra layers to stay warm and comfortable.

October Average Humidity in Wheaton

This chart illustrates the average monthly humidity levels in Wheaton, 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 Wheaton is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Wheaton

In Wheaton in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Wheaton.

Maximum UV Index Levels in Wheaton for October

The chart shows the monthly maximum UV Index (UVI) for Wheaton 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 Wheaton typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3567910997532
Data source: Wheaton 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 Wheaton Compares to Other Months

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

This table compares monthly weather conditions in Wheaton, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)19 mm (0.7 inches)85%moderate
February Weather-10°C (14°F)18 mm (0.7 inches)89%moderate
March Weather-1°C (31°F)37 mm (1.5 inches)81%high
April Weather5°C (41°F)57 mm (2.3 inches)82%high
May Weather14°C (58°F)80 mm (3.2 inches)76%very high
June Weather22°C (71°F)79 mm (3.1 inches)81%very high
July Weather23°C (74°F)87 mm (3.4 inches)82%very high
August Weather21°C (70°F)120 mm (4.7 inches)83%very high
September Weather17°C (63°F)78 mm (3.1 inches)82%high
October Weather8°C (47°F)79 mm (3.1 inches)82%moderate
November Weather0°C (32°F)23 mm (0.9 inches)87%moderate
December Weather-5°C (22°F)36 mm (1.4 inches)84%low

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