May Weather in Lyons, United States

Last updated: June 24, 2025

In May, the average temperature in Lyons, United States is a pleasant 24°C (76°F). Expect minimums around 9°C (48°F) and maximums soaring to 38°C (102°F). With an average precipitation of 79 mm (3.1 in) over about 8 days, the humidity typically sits at 75%, creating a warm, tropical ambiance.

May Temperature in Lyons

In May in Lyons, the average temperature is 24°C (76°F). Maximums can reach 38°C (102°F), and minimums can be as low as 9°C (48°F). This diverse climate makes Lyons an appealing destination for travelers seeking both warmth and refreshing coolness.

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

The chart illustrates May 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, May typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (102°F) and lows dropping to around 9°C (48°F).

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

May Precipitation in Lyons

In Lyons in May, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

May Precipitation Trends in Lyons

The chart displays monthly precipitation patterns in Lyons, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Lyons, May typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Lyons

In Lyons in May, humidity is 75%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, making travel somewhat stifling but also richly invigorating, as the air seems to wrap around you, heightening the experience of the local sights and sounds.

May Average Humidity in Lyons

This chart illustrates the average monthly humidity levels in Lyons, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Lyons is approximately 75%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Lyons

In Lyons in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Lyons.

Maximum UV Index Levels in Lyons for May

The chart shows the monthly maximum UV Index (UVI) for Lyons in May, 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 May, the maximum UV index in Lyons typically reaches 11, which falls under the extreme exposure category.

Data source: Lyons May 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 May 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 May’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 May’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