January Weather in Oakbrook Terrace, United States

Last updated: June 24, 2025

In January, the average temperature in Oakbrook Terrace, United States hovers around -3°C (26°F), with extremes ranging from a chilly -31°C (-23°F) to a surprisingly warm 15°C (60°F). Expect 61 mm (2.4 in) of precipitation spread across about 8 days, contributing to an average humidity level of 82%. Dress warmly and prepare for a mix of conditions!

January Temperature in Oakbrook Terrace

In January in Oakbrook Terrace, the average temperature is -3°C (26°F), with a maximum that can reach 15°C (60°F) and a minimum that can dip as low as -31°C (-23°F). Travelers should be prepared for significant temperature fluctuations and dress accordingly for both cold and mild conditions.

January Weather in Oakbrook Terrace: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Oakbrook Terrace, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oakbrook Terrace, January typically has an average temperature of -3°C (26°F), with highs reaching up to 15°C (60°F) and lows dropping to around -31°C (-23°F).

Data source: Temperature data for Oakbrook Terrace generated using information from the Copernicus Climate Change Service.

January Precipitation in Oakbrook Terrace

In Oakbrook Terrace in January, the precipitation amount is 61 mm (2.4 in) distributed over 8 days.

January Precipitation Trends in Oakbrook Terrace

The chart displays monthly precipitation patterns in Oakbrook Terrace, 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 Oakbrook Terrace, January typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Oakbrook Terrace

In Oakbrook Terrace in January, humidity is 82%. With an average temperature of -3°C (26°F), this humidity feels like an uncomfortable chill that makes traveling outside feel more biting and penetrating, as the cold damp air clings to your skin, intensifying the cold sensation and making even short excursions feel more daunting.

January Average Humidity in Oakbrook Terrace

This chart illustrates the average monthly humidity levels in Oakbrook Terrace, 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 Oakbrook Terrace is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Oakbrook Terrace

In Oakbrook Terrace 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 Oakbrook Terrace, you can check the information here.

Maximum UV Index Levels in Oakbrook Terrace for January

The chart shows the monthly maximum UV Index (UVI) for Oakbrook Terrace 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 Oakbrook Terrace typically reaches 3, which falls under the moderate exposure category.

Data source: Oakbrook Terrace 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 Oakbrook Terrace Compares to Other Months

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

This table compares monthly weather conditions in Oakbrook Terrace, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	61 mm (2.4 inches)	82%	moderate
February Weather	-2°C (28°F)	63 mm (2.5 inches)	83%	moderate
March Weather	4°C (40°F)	89 mm (3.5 inches)	84%	high
April Weather	9°C (49°F)	120 mm (4.7 inches)	85%	very high
May Weather	16°C (61°F)	156 mm (6.1 inches)	79%	very high
June Weather	22°C (72°F)	151 mm (6.0 inches)	82%	very high
July Weather	24°C (76°F)	116 mm (4.6 inches)	80%	very high
August Weather	23°C (73°F)	91 mm (3.6 inches)	81%	very high
September Weather	20°C (68°F)	85 mm (3.4 inches)	80%	very high
October Weather	12°C (55°F)	131 mm (5.2 inches)	82%	high
November Weather	4°C (39°F)	57 mm (2.3 inches)	88%	moderate
December Weather	1°C (33°F)	54 mm (2.1 inches)	84%	low