January Weather in Carbondale, United States

Last updated: June 24, 2025

In Carbondale, United States during January, the average temperature hovers around -6°C (21°F). While chilly conditions can dip as low as -26°C (-14°F), temperatures can occasionally rise to a maximum of 9°C (48°F). Expect 62 mm (2.5 in) of precipitation spread over 11 days, with a notable average humidity level of 88%, making it a season of crisp air and damp days.

January Temperature in Carbondale

In January in Carbondale, the average temperature is -6°C (21°F). Maximum temperatures can reach 9°C (48°F), while minimums can plummet to as low as -26°C (-14°F). Travelers should be prepared for a significant range of temperatures, making warm clothing essential for outdoor activities.

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

The chart illustrates January temperature patterns in Carbondale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carbondale, January typically has an average temperature of -6°C (21°F), with highs reaching up to 9°C (48°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec212432374761676558413021
Data source: Temperature data for Carbondale 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 Carbondale

In Carbondale in January, the precipitation amount is 62 mm (2.5 in), occurring over a span of 11 days.

January Precipitation Trends in Carbondale

The chart displays monthly precipitation patterns in Carbondale, 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 Carbondale, January typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec628569535223161619675266
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Carbondale

In Carbondale in January, humidity is 88%. With an average temperature of -6°C (21°F), this humidity feels like an intense chill that seeps into your bones, making outdoor activities uncomfortable and requiring extra layers to stay warm.

January Average Humidity in Carbondale

This chart illustrates the average monthly humidity levels in Carbondale, 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 Carbondale is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Carbondale

In Carbondale in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Carbondale for better planning.

Maximum UV Index Levels in Carbondale for January

The chart shows the monthly maximum UV Index (UVI) for Carbondale 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 Carbondale typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469121213121210754
Data source: Carbondale 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 Carbondale Compares to Other Months

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

This table compares monthly weather conditions in Carbondale, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)62 mm (2.5 inches)88%moderate
February Weather-4°C (24°F)85 mm (3.3 inches)87%high
March Weather0°C (33°F)69 mm (2.7 inches)81%very high
April Weather3°C (37°F)53 mm (2.1 inches)76%extreme
May Weather8°C (47°F)52 mm (2.1 inches)66%extreme
June Weather16°C (61°F)23 mm (0.9 inches)58%extreme
July Weather20°C (68°F)16 mm (0.6 inches)52%extreme
August Weather19°C (66°F)16 mm (0.6 inches)56%extreme
September Weather15°C (58°F)19 mm (0.7 inches)65%very high
October Weather5°C (41°F)67 mm (2.6 inches)76%high
November Weather-1°C (30°F)52 mm (2.0 inches)82%moderate
December Weather-6°C (21°F)66 mm (2.6 inches)89%moderate

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