January Weather in Elgin, United States

Last updated: June 24, 2025

In January, the average temperature in Elgin, United States hovers around -8°C (18°F), with potential extremes ranging from a chilly -32°C (-25°F) to a milder 11°C (51°F). Prepare for a bit of moisture, as 12 mm (0.5 in) of precipitation can be expected over the course of 3 days. Expect a high level of moisture in the air, with average humidity at 84%.

January Temperature in Elgin

In January in Elgin, the average temperature is -8°C (18°F), with maximums reaching 11°C (51°F) and minimums dropping to as low as -32°C (-25°F). Travelers should be prepared for extreme cold and wide temperature fluctuations during this time.

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

The chart illustrates January temperature patterns in Elgin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Elgin, January typically has an average temperature of -8°C (18°F), with highs reaching up to 11°C (51°F) and lows dropping to around -32°C (-25°F).

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

January Precipitation in Elgin

In Elgin in January, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.

January Precipitation Trends in Elgin

The chart displays monthly precipitation patterns in Elgin, 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 Elgin, January typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 3 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 Elgin

In Elgin in January humidity is 84%. With an average temperature of -8°C (18°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration challenging and requiring extra layers for comfort.

January Average Humidity in Elgin

This chart illustrates the average monthly humidity levels in Elgin, 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 Elgin is approximately 84%, 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 Elgin

In Elgin in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Elgin, you can visit Hourly UV Index in Elgin.

Maximum UV Index Levels in Elgin for January

The chart shows the monthly maximum UV Index (UVI) for Elgin 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 Elgin typically reaches 2, which falls under the low exposure category.

Data source: Elgin 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 Elgin Compares to Other Months

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

This table compares monthly weather conditions in Elgin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	12 mm (0.5 inches)	84%	low
February Weather	-10°C (15°F)	16 mm (0.6 inches)	88%	moderate
March Weather	-1°C (31°F)	24 mm (1.0 inches)	78%	moderate
April Weather	5°C (41°F)	28 mm (1.1 inches)	75%	very high
May Weather	13°C (55°F)	66 mm (2.6 inches)	76%	very high
June Weather	20°C (69°F)	57 mm (2.3 inches)	79%	very high
July Weather	23°C (74°F)	61 mm (2.4 inches)	78%	very high
August Weather	21°C (70°F)	70 mm (2.7 inches)	78%	very high
September Weather	16°C (61°F)	48 mm (1.9 inches)	69%	high
October Weather	6°C (44°F)	57 mm (2.3 inches)	71%	moderate
November Weather	0°C (32°F)	16 mm (0.6 inches)	82%	moderate
December Weather	-5°C (24°F)	20 mm (0.8 inches)	84%	low