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October Weather in Belleville, United States

Last updated: June 24, 2025

In October, the average temperature in Belleville, United States hovers around 12°C (55°F). You'll experience a minimum chill of -6°C (22°F) and can bask in warmth up to 34°C (94°F). Expect about 88 mm (3.5 in) of precipitation over 7 days, accompanied by an average humidity of 71%. Stay prepared for the diverse weather this month!

October Temperature in Belleville

In October in Belleville, the average temperature is 12°C (55°F). Maximum temperatures can reach 34°C (94°F), while minimum temperatures can drop as low as -6°C (22°F). This range makes Belleville a destination for travelers seeking both mild and extreme weather experiences.

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

The chart illustrates October temperature patterns in Belleville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belleville, October typically has an average temperature of 12°C (55°F), with highs reaching up to 34°C (94°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec293044536477807772544335
Data source: Temperature data for Belleville 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 Belleville

In Belleville in October, the precipitation amount is 88 mm (3.5 in) over a span of 7 days.

October Precipitation Trends in Belleville

The chart displays monthly precipitation patterns in Belleville, 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 Belleville, October typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2523804917972799560892337
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Belleville

In Belleville in October, humidity is 71%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that permeates your clothing, making it essential to wear layers when traveling.

October Average Humidity in Belleville

This chart illustrates the average monthly humidity levels in Belleville, 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 Belleville is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%78%67%70%82%81%80%80%74%71%79%83%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Belleville

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

Maximum UV Index Levels in Belleville for October

The chart shows the monthly maximum UV Index (UVI) for Belleville 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 Belleville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Belleville 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 Belleville Compares to Other Months

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

This table compares monthly weather conditions in Belleville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (30°F)25 mm (1.0 inches)74%moderate
February Weather-1°C (30°F)23 mm (0.9 inches)78%moderate
March Weather7°C (44°F)80 mm (3.2 inches)67%high
April Weather11°C (53°F)49 mm (1.9 inches)70%very high
May Weather18°C (64°F)179 mm (7.0 inches)82%very high
June Weather25°C (78°F)72 mm (2.8 inches)81%extreme
July Weather27°C (81°F)79 mm (3.1 inches)80%extreme
August Weather25°C (77°F)95 mm (3.7 inches)80%very high
September Weather22°C (72°F)59 mm (2.3 inches)73%very high
October Weather12°C (55°F)88 mm (3.5 inches)71%high
November Weather6°C (43°F)23 mm (0.9 inches)79%moderate
December Weather1°C (35°F)37 mm (1.4 inches)83%moderate

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