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January Weather in Grand Rapids, United States

Last updated: June 24, 2025

In Grand Rapids, United States, the average temperature for January hovers around -3°C (26°F), with a minimum dipping to -24°C (-10°F) and a maximum reaching 15°C (58°F). Expect approximately 64 mm (2.5 in) of precipitation over 10 days, while the air remains notably humid with an average humidity of 87%. Prepare for a chilly and damp month!

January Temperature in Grand Rapids

In January in Grand Rapids, the average temperature is -3°C (26°F), with maximums reaching 15°C (58°F) and minimums dropping as low as -24°C (-10°F). Be prepared for a wide range of temperatures when traveling to Grand Rapids during this month.

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

The chart illustrates January 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, January typically has an average temperature of -3°C (26°F), with highs reaching up to 15°C (58°F) and lows dropping to around -24°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737465970757265533932
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.

January Precipitation in Grand Rapids

In Grand Rapids in January, the precipitation amount is 64 mm (2.5 in) over a span of 10 days.

January Precipitation Trends in Grand Rapids

The chart displays monthly precipitation patterns in Grand Rapids, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Grand Rapids, January typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6470679113811966741111306367
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Grand Rapids

In Grand Rapids in January, humidity is 87%. With an average temperature of -3°C (26°F), this humidity feels like walking through a thick fog, making travels uncomfortable and adding a chill that seeps into your bones.

January Average Humidity in Grand Rapids

This chart illustrates the average monthly humidity levels in Grand Rapids, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Grand Rapids is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Grand Rapids

In Grand Rapids in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Grand Rapids, you can visit Hourly UV Index in Grand Rapids.

Maximum UV Index Levels in Grand Rapids for January

The chart shows the monthly maximum UV Index (UVI) for Grand Rapids in January, 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 January, the maximum UV index in Grand Rapids typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Grand Rapids January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)64 mm (2.5 inches)87%low
February Weather-3°C (27°F)70 mm (2.7 inches)87%moderate
March Weather3°C (37°F)67 mm (2.6 inches)86%moderate
April Weather8°C (46°F)91 mm (3.6 inches)87%very high
May Weather15°C (60°F)138 mm (5.4 inches)82%very high
June Weather21°C (70°F)119 mm (4.7 inches)81%very high
July Weather24°C (75°F)65 mm (2.6 inches)78%very high
August Weather22°C (72°F)73 mm (2.9 inches)79%very high
September Weather19°C (66°F)111 mm (4.4 inches)79%high
October Weather12°C (53°F)130 mm (5.1 inches)82%moderate
November Weather4°C (39°F)63 mm (2.5 inches)87%moderate
December Weather0°C (32°F)67 mm (2.6 inches)86%low

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