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January Weather in Plainwell, United States

Last updated: June 24, 2025

In Plainwell, United States, the average temperature in January hovers around -3°C (27°F), with extremes ranging from a minimum of -23°C (-10°F) to a maximum of 15°C (60°F). Expect 72 mm (2.8 in) of precipitation spread over approximately 12 days, leading to an average humidity level of 87%. Stay prepared for chilly and damp conditions!

January Temperature in Plainwell

In January in Plainwell, the average temperature is -3°C (27°F). Maximum temperatures can reach 15°C (60°F), while minimums can dip as low as -23°C (-10°F). Travelers should come prepared for a wide range of temperatures and consider layering their clothing to stay comfortable.

January Weather in Plainwell: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Plainwell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plainwell, January typically has an average temperature of -3°C (27°F), with highs reaching up to 15°C (60°F) and lows dropping to around -23°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec272837466070757266543933
Data source: Temperature data for Plainwell 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 Plainwell

In Plainwell in January, the total precipitation amount is 72 mm (2.8 in) over the course of 12 days.

January Precipitation Trends in Plainwell

The chart displays monthly precipitation patterns in Plainwell, 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 Plainwell, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec727476921551269677961396867
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Plainwell

In Plainwell in January humidity is 87%. With an average temperature of -3°C (27°F), this humidity feels like an icy blanket that wraps around you, making outdoor activities challenging as the cold air mingles with the dampness, leaving travelers feeling chilled to the bone even in short bursts outside.

January Average Humidity in Plainwell

This chart illustrates the average monthly humidity levels in Plainwell, 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 Plainwell 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 Plainwell

In Plainwell in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Plainwell, you can check the information here.

Maximum UV Index Levels in Plainwell for January

The chart shows the monthly maximum UV Index (UVI) for Plainwell 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 Plainwell typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101097532
Data source: Plainwell 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 Plainwell Compares to Other Months

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

This table compares monthly weather conditions in Plainwell, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)72 mm (2.8 inches)87%moderate
February Weather-2°C (28°F)74 mm (2.9 inches)87%moderate
March Weather3°C (37°F)76 mm (3.0 inches)86%high
April Weather8°C (47°F)92 mm (3.6 inches)87%very high
May Weather15°C (60°F)154 mm (6.1 inches)82%very high
June Weather21°C (70°F)126 mm (5.0 inches)81%very high
July Weather24°C (75°F)96 mm (3.8 inches)78%very high
August Weather22°C (72°F)77 mm (3.0 inches)79%very high
September Weather19°C (66°F)96 mm (3.8 inches)79%high
October Weather12°C (54°F)139 mm (5.5 inches)82%moderate
November Weather4°C (39°F)68 mm (2.7 inches)87%moderate
December Weather0°C (33°F)67 mm (2.7 inches)86%low

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