January Weather in Lyons, United States

Last updated: June 24, 2025

In Lyons, United States during the month of January, the average temperature hovers around 11°C (52°F). Expect temperature fluctuations with a minimum of -6°C (21°F) and a maximum reaching 28°C (83°F). This month also brings about 78 mm (3.1 in) of precipitation over approximately 7 days, coupled with an average humidity level of a warm 86%.

January Temperature in Lyons

In January in Lyons, the average temperature is 11°C (52°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your travels.

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 11°C (52°F), with highs reaching up to 28°C (83°F) and lows dropping to around -6°C (21°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 total precipitation amount is 78 mm (3.1 in) over a duration of 7 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 78 mm (3.1 inches) of precipitation spread over approximately 7 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 86%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek sheltered spots or indoor attractions to escape the uncomfortable dampness.

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 86%, 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 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 Lyons for better planning.

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 4, 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	11°C (52°F)	78 mm (3.1 inches)	86%	moderate
February Weather	14°C (57°F)	97 mm (3.8 inches)	81%	high
March Weather	16°C (62°F)	72 mm (2.8 inches)	81%	very high
April Weather	20°C (68°F)	84 mm (3.3 inches)	79%	very high
May Weather	24°C (76°F)	79 mm (3.1 inches)	75%	extreme
June Weather	27°C (80°F)	103 mm (4.1 inches)	75%	extreme
July Weather	29°C (84°F)	124 mm (4.9 inches)	80%	extreme
August Weather	28°C (83°F)	115 mm (4.5 inches)	81%	extreme
September Weather	26°C (80°F)	94 mm (3.7 inches)	83%	very high
October Weather	22°C (72°F)	79 mm (3.1 inches)	78%	very high
November Weather	15°C (58°F)	58 mm (2.3 inches)	85%	high
December Weather	12°C (54°F)	123 mm (4.8 inches)	87%	moderate