May Weather in Lead, United States

Last updated: June 24, 2025

In May, the average temperature in Lead, United States hovers around 8°C (47°F). Be prepared for a range of conditions, as temperatures can dip to a chilly -7°C (20°F) or soar to a pleasant 29°C (84°F). With an average precipitation of 133 mm (5.2 in) spread over 20 days, and humidity levels at 76%, it’s a month where you’ll want to dress in layers and embrace the variability!

May Temperature in Lead

In May in Lead, the average temperature is 8°C (47°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -7°C (20°F). Be prepared for a wide range of temperatures, making it essential to pack accordingly for your travels.

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

The chart illustrates May temperature patterns in Lead, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lead, May typically has an average temperature of 8°C (47°F), with highs reaching up to 29°C (84°F) and lows dropping to around -7°C (20°F).

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

May Precipitation in Lead

In Lead in May, the precipitation amount is 133 mm (5.2 in) over the course of 20 days.

May Precipitation Trends in Lead

The chart displays monthly precipitation patterns in Lead, 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 Lead, May typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 20 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Lead

In Lead in May, humidity is 76%. With an average temperature of 8°C (47°F), this humidity feels like traveling through a thick, damp blanket that clings to your skin, making every stroll feel heavier and more exhausting than it should.

May Average Humidity in Lead

This chart illustrates the average monthly humidity levels in Lead, 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 Lead is approximately 76%, 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 Lead

In Lead in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Lead.

Maximum UV Index Levels in Lead for May

The chart shows the monthly maximum UV Index (UVI) for Lead 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 Lead typically reaches 9, which falls under the very high exposure category.

Data source: Lead 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 Lead Compares to Other Months

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

This table compares monthly weather conditions in Lead, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	29 mm (1.2 inches)	77%	moderate
February Weather	-8°C (19°F)	42 mm (1.6 inches)	80%	moderate
March Weather	0°C (32°F)	54 mm (2.1 inches)	70%	high
April Weather	2°C (36°F)	97 mm (3.8 inches)	70%	very high
May Weather	8°C (47°F)	133 mm (5.2 inches)	76%	very high
June Weather	16°C (61°F)	106 mm (4.2 inches)	84%	extreme
July Weather	19°C (67°F)	144 mm (5.7 inches)	85%	extreme
August Weather	18°C (64°F)	88 mm (3.5 inches)	84%	very high
September Weather	14°C (57°F)	62 mm (2.5 inches)	77%	very high
October Weather	4°C (40°F)	75 mm (2.9 inches)	73%	moderate
November Weather	0°C (33°F)	30 mm (1.2 inches)	74%	moderate
December Weather	-3°C (26°F)	40 mm (1.6 inches)	79%	low