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January Weather in Rochelle, United States

Last updated: June 24, 2025

In January, the average temperature in Rochelle, United States hovers around -5°C (23°F), with the mercury potentially dipping as low as -32°C (-25°F) or peaking at 13°C (56°F). Expect about 60 mm (2.3 in) of precipitation spread over 7 days, contributing to an average humidity level of 82%.

January Temperature in Rochelle

In January in Rochelle, the average temperature is -5°C (23°F), with maximums reaching up to 13°C (56°F) and minimums plummeting to as low as -32°C (-25°F). Travelers should be well-prepared for extreme temperature fluctuations during this time.

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

The chart illustrates January temperature patterns in Rochelle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rochelle, January typically has an average temperature of -5°C (23°F), with highs reaching up to 13°C (56°F) and lows dropping to around -32°C (-25°F).
JanFebMarAprMayJunJulAugSepOctNovDec232539486172757367533832
Data source: Temperature data for Rochelle 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 Rochelle

In Rochelle in January, the total precipitation amount is 60 mm (2.3 in) spread over a duration of 7 days.

January Precipitation Trends in Rochelle

The chart displays monthly precipitation patterns in Rochelle, 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 Rochelle, January typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec60577710816812579761121195148
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Rochelle

In Rochelle in January humidity is 82%. With an average temperature of -5°C (23°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling.

January Average Humidity in Rochelle

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

In Rochelle 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 Rochelle, you can check the information here.

Maximum UV Index Levels in Rochelle for January

The chart shows the monthly maximum UV Index (UVI) for Rochelle 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 Rochelle typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Rochelle 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 Rochelle Compares to Other Months

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

This table compares monthly weather conditions in Rochelle, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)60 mm (2.3 inches)82%moderate
February Weather-4°C (26°F)57 mm (2.2 inches)83%moderate
March Weather4°C (39°F)77 mm (3.0 inches)84%high
April Weather9°C (48°F)108 mm (4.3 inches)85%very high
May Weather16°C (61°F)168 mm (6.6 inches)79%very high
June Weather22°C (72°F)125 mm (4.9 inches)82%very high
July Weather24°C (76°F)79 mm (3.1 inches)80%very high
August Weather23°C (73°F)76 mm (3.0 inches)81%very high
September Weather20°C (68°F)112 mm (4.4 inches)80%very high
October Weather12°C (54°F)119 mm (4.7 inches)82%high
November Weather3°C (38°F)51 mm (2.0 inches)88%moderate
December Weather0°C (32°F)48 mm (1.9 inches)84%low

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