January Weather in Elgin, United States

Last updated: June 24, 2025

In Elgin, United States, the average temperature in January hovers around 5°C (41°F). The weather can be quite variable, with a minimum temperature dropping to -16°C (4°F) and a maximum reaching up to 25°C (78°F). Expect an average precipitation of about 40 mm (1.6 in) spread over 4 days, accompanied by a humidity level of approximately 76%.

January Temperature in Elgin

In January in Elgin, the average temperature is 5°C (41°F). The maximum can reach 25°C (78°F), and the minimum can be as low as -16°C (4°F). Therefore, travelers should be prepared for a wide range of temperatures and pack accordingly.

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 5°C (41°F), with highs reaching up to 25°C (78°F) and lows dropping to around -16°C (4°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 40 mm (1.6 in) spread over a duration of 4 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 40 mm (1.6 inches) of precipitation spread over approximately 4 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 76%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and prompting travelers to seek shelter or warm layers.

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 76%, 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 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 Elgin for better planning.

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 4, which falls under the moderate 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	5°C (41°F)	40 mm (1.6 inches)	76%	moderate
February Weather	6°C (42°F)	42 mm (1.6 inches)	76%	high
March Weather	13°C (55°F)	84 mm (3.3 inches)	70%	very high
April Weather	16°C (61°F)	120 mm (4.7 inches)	72%	very high
May Weather	21°C (71°F)	149 mm (5.9 inches)	82%	extreme
June Weather	26°C (80°F)	62 mm (2.4 inches)	82%	extreme
July Weather	29°C (84°F)	36 mm (1.4 inches)	80%	extreme
August Weather	28°C (83°F)	55 mm (2.2 inches)	72%	extreme
September Weather	24°C (76°F)	95 mm (3.7 inches)	64%	very high
October Weather	17°C (63°F)	93 mm (3.7 inches)	71%	high
November Weather	11°C (51°F)	22 mm (0.9 inches)	81%	moderate
December Weather	7°C (45°F)	37 mm (1.5 inches)	84%	moderate