January Weather in Lyons, United States

Last updated: June 24, 2025

In Lyons, United States, the average temperature in January hovers around -5°C (24°F), with fluctuating extremes that can dip as low as -27°C (-17°F) and peak at 13°C (56°F). Precipitation during this month totals 30 mm (1.2 in) spread over 4 days, while the average humidity sits at a notable 76%.

January Temperature in Lyons

In January in Lyons, the average temperature is -5°C (24°F), with a maximum that can reach 13°C (56°F) and a minimum that can dip as low as -27°C (-17°F). Be sure to pack warm clothing and gear if you plan on traveling during this chilly time of year.

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

The chart illustrates January temperature patterns in Lyons, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lyons, January typically has an average temperature of -5°C (24°F), with highs reaching up to 13°C (56°F) and lows dropping to around -27°C (-17°F).

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

January Precipitation in Lyons

In Lyons in January, the precipitation amount is 30 mm (1.2 in) over the course of 4 days.

January Precipitation Trends in Lyons

The chart displays monthly precipitation patterns in Lyons, 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 Lyons, January typically receives around 30 mm (1.2 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 Lyons

In Lyons in January, humidity is 76%. With an average temperature of -5°C (24°F), this humidity feels like a chilling embrace, making travel uncomfortable as the cold dampness seeps into your bones, creating a biting sensation that can make even short excursions feel arduous.

January Average Humidity in Lyons

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

In Lyons 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 Lyons, you can check the information here.

Maximum UV Index Levels in Lyons for January

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

Data source: Lyons 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 Lyons Compares to Other Months

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

This table compares monthly weather conditions in Lyons, 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 (24°F)	30 mm (1.2 inches)	76%	moderate
February Weather	-5°C (24°F)	30 mm (1.2 inches)	80%	moderate
March Weather	4°C (39°F)	87 mm (3.4 inches)	73%	high
April Weather	9°C (48°F)	71 mm (2.8 inches)	74%	very high
May Weather	16°C (61°F)	151 mm (5.9 inches)	78%	very high
June Weather	24°C (75°F)	122 mm (4.8 inches)	82%	very high
July Weather	25°C (77°F)	69 mm (2.7 inches)	83%	very high
August Weather	23°C (73°F)	115 mm (4.5 inches)	80%	very high
September Weather	20°C (68°F)	82 mm (3.2 inches)	75%	very high
October Weather	11°C (51°F)	87 mm (3.4 inches)	75%	high
November Weather	4°C (39°F)	28 mm (1.1 inches)	82%	moderate
December Weather	-1°C (30°F)	44 mm (1.7 inches)	83%	low