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October Weather in Bloomington, United States

Last updated: June 24, 2025

In October, the average temperature in Bloomington, United States is 13°C (56°F). However, temperatures can vary significantly, with a minimum of -5°C (24°F) and a maximum of 32°C (89°F). The region experiences an average precipitation of 125 mm (4.9 in) over about 12 days, contributing to an average humidity level of 82%.

October Temperature in Bloomington

In October in Bloomington, the average temperature is 13°C (56°F). Maximums can reach 32°C (89°F), while minimums can drop as low as -5°C (24°F). If you're planning to travel, be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates October temperature patterns in Bloomington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bloomington, October typically has an average temperature of 13°C (56°F), with highs reaching up to 32°C (89°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec272942516474777470564034
Data source: Temperature data for Bloomington 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 Bloomington

In Bloomington in October, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

October Precipitation Trends in Bloomington

The chart displays monthly precipitation patterns in Bloomington, 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 Bloomington, October typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec656911311815911910594621256255
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Bloomington

In Bloomington in October, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

October Average Humidity in Bloomington

This chart illustrates the average monthly humidity levels in Bloomington, 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 Bloomington is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Bloomington

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

Maximum UV Index Levels in Bloomington for October

The chart shows the monthly maximum UV Index (UVI) for Bloomington 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 Bloomington typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098642
Data source: Bloomington 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 Bloomington Compares to Other Months

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

This table compares monthly weather conditions in Bloomington, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)65 mm (2.5 inches)82%moderate
February Weather-1°C (30°F)69 mm (2.7 inches)83%moderate
March Weather5°C (42°F)113 mm (4.4 inches)84%high
April Weather11°C (51°F)118 mm (4.6 inches)85%very high
May Weather18°C (64°F)159 mm (6.3 inches)79%very high
June Weather23°C (74°F)119 mm (4.7 inches)82%extreme
July Weather25°C (77°F)105 mm (4.1 inches)80%very high
August Weather23°C (74°F)94 mm (3.7 inches)81%very high
September Weather21°C (70°F)62 mm (2.4 inches)80%very high
October Weather13°C (56°F)125 mm (4.9 inches)82%high
November Weather5°C (41°F)62 mm (2.4 inches)88%moderate
December Weather1°C (35°F)55 mm (2.2 inches)84%low

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