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January Weather in Coal City, United States

Last updated: June 24, 2025

In Coal City, United States, the average temperature in January hovers around -3°C (27°F). This month experiences temperature extremes, with minimums plummeting to -31°C (-23°F) and occasional highs reaching up to 16°C (61°F). Expect 65 mm (2.6 in) of precipitation over approximately 8 days, accompanied by a notable average humidity of 82%.

January Temperature in Coal City

In January in Coal City, the average temperature is -3°C (27°F). Maximums can reach 16°C (61°F), while minimums can plummet to -31°C (-23°F). This wide range in temperatures means that travelers should be prepared for both chilly conditions and the occasional milder day.

January Weather in Coal City: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Coal City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coal City, January typically has an average temperature of -3°C (27°F), with highs reaching up to 16°C (61°F) and lows dropping to around -31°C (-23°F).
JanFebMarAprMayJunJulAugSepOctNovDec272841506373767469554034
Data source: Temperature data for Coal City 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 Coal City

In Coal City in January, the total precipitation amount is 65 mm (2.6 in) spread over the course of 8 days.

January Precipitation Trends in Coal City

The chart displays monthly precipitation patterns in Coal City, 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 Coal City, January typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec65689312116413510084841385956
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Coal City

In Coal City in January, humidity is 82%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm while navigating through the damp air.

January Average Humidity in Coal City

This chart illustrates the average monthly humidity levels in Coal City, 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 Coal City 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Coal City

In Coal City 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 Coal City, you can check the information here.

Maximum UV Index Levels in Coal City for January

The chart shows the monthly maximum UV Index (UVI) for Coal City 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 Coal City typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Coal City 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 Coal City Compares to Other Months

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

This table compares monthly weather conditions in Coal City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)65 mm (2.6 inches)82%moderate
February Weather-2°C (29°F)68 mm (2.7 inches)83%moderate
March Weather5°C (41°F)93 mm (3.6 inches)84%high
April Weather10°C (50°F)121 mm (4.8 inches)85%very high
May Weather17°C (63°F)164 mm (6.4 inches)79%very high
June Weather23°C (73°F)135 mm (5.3 inches)82%very high
July Weather24°C (76°F)100 mm (4.0 inches)80%very high
August Weather23°C (74°F)84 mm (3.3 inches)81%very high
September Weather20°C (69°F)84 mm (3.3 inches)80%very high
October Weather13°C (56°F)138 mm (5.4 inches)82%high
November Weather4°C (40°F)59 mm (2.3 inches)88%moderate
December Weather1°C (34°F)56 mm (2.2 inches)84%low

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