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October Weather in Grand Rapids, United States

Last updated: June 24, 2025

The average temperature in Grand Rapids, United States during October is a cool 7°C (44°F). Expect temperatures to vary, with a minimum plunging to -10°C (15°F) and a pleasant maximum reaching 24°C (75°F). Prepare for some rain, as 103 mm (4.1 in) of precipitation is likely spread over 11 days, and be ready for a humid atmosphere with an average humidity of 82%.

October Temperature in Grand Rapids

In October in Grand Rapids, the average temperature is 7°C (44°F). The maximum can reach 24°C (75°F), and the minimum can be as low as -10°C (15°F). Travelers should be prepared for a wide range of temperatures during this time, packing layers to ensure comfort in varying conditions.

October Weather in Grand Rapids: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Grand Rapids, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Rapids, October typically has an average temperature of 7°C (44°F), with highs reaching up to 24°C (75°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec101027375365706659442817
Data source: Temperature data for Grand Rapids 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 Grand Rapids

In Grand Rapids in October, the precipitation amount is 103 mm (4.1 in) spread over 11 days.

October Precipitation Trends in Grand Rapids

The chart displays monthly precipitation patterns in Grand Rapids, 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 Grand Rapids, October typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec222634616085107861051033352
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grand Rapids

In Grand Rapids in October, humidity is 82%. With an average temperature of 7°C (44°F), this humidity feels like an unwelcoming chill that seeps into your bones, making outdoor exploration feel damp and cumbersome.

October Average Humidity in Grand Rapids

This chart illustrates the average monthly humidity levels in Grand Rapids, 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 Grand Rapids is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%93%88%83%76%76%76%77%77%82%88%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grand Rapids

In Grand Rapids 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 Grand Rapids.

Maximum UV Index Levels in Grand Rapids for October

The chart shows the monthly maximum UV Index (UVI) for Grand Rapids 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 Grand Rapids typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Grand Rapids 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 Grand Rapids Compares to Other Months

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

This table compares monthly weather conditions in Grand Rapids, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (11°F)22 mm (0.8 inches)92%low
February Weather-12°C (11°F)26 mm (1.0 inches)93%moderate
March Weather-3°C (27°F)34 mm (1.3 inches)88%moderate
April Weather3°C (38°F)61 mm (2.4 inches)83%high
May Weather12°C (53°F)60 mm (2.4 inches)76%very high
June Weather18°C (65°F)85 mm (3.4 inches)76%very high
July Weather21°C (70°F)107 mm (4.2 inches)76%very high
August Weather19°C (67°F)86 mm (3.4 inches)77%very high
September Weather15°C (59°F)105 mm (4.1 inches)77%high
October Weather7°C (44°F)103 mm (4.1 inches)82%moderate
November Weather-2°C (28°F)33 mm (1.3 inches)87%moderate
December Weather-8°C (18°F)52 mm (2.0 inches)89%low

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