May Weather in Carbondale, United States

Last updated: June 24, 2025

In May, the average temperature in Carbondale, United States hovers around 15°C (58°F), with a minimum dipping to -2°C (28°F) and a maximum soaring up to 31°C (88°F). Prepare for some wet days, as precipitation averages 125 mm (4.9 in) over the course of 14 days. Embrace the humidity, which rests at a comfortable 75%!

May Temperature in Carbondale

In May in Carbondale, the average temperature is 15°C (58°F), with maximums reaching 31°C (88°F) and minimums dropping as low as -2°C (28°F). This wide temperature range makes it essential for travelers to pack layers to stay comfortable during their visit.

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

The chart illustrates May temperature patterns in Carbondale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carbondale, May typically has an average temperature of 15°C (58°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Carbondale

In Carbondale in May, the precipitation amount is 125 mm (4.9 in) over the course of 14 days.

May Precipitation Trends in Carbondale

The chart displays monthly precipitation patterns in Carbondale, 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 Carbondale, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 14 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 Carbondale

In Carbondale in May humidity is 75%. With an average temperature of 15°C (58°F), this humidity feels like you're stepping into a warm, damp blanket, making travel a bit more challenging as the air clings to your skin, leaving you craving a refreshing breeze along the way.

May Average Humidity in Carbondale

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

In Carbondale in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Carbondale.

Maximum UV Index Levels in Carbondale for May

The chart shows the monthly maximum UV Index (UVI) for Carbondale 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 Carbondale typically reaches 10, which falls under the very high exposure category.

Data source: Carbondale 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 Carbondale Compares to Other Months

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

This table compares monthly weather conditions in Carbondale, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	70 mm (2.8 inches)	87%	moderate
February Weather	-1°C (31°F)	95 mm (3.7 inches)	85%	moderate
March Weather	2°C (36°F)	88 mm (3.5 inches)	85%	high
April Weather	8°C (47°F)	104 mm (4.1 inches)	83%	very high
May Weather	15°C (58°F)	125 mm (4.9 inches)	75%	very high
June Weather	19°C (67°F)	92 mm (3.6 inches)	73%	very high
July Weather	23°C (73°F)	114 mm (4.5 inches)	65%	very high
August Weather	21°C (71°F)	113 mm (4.5 inches)	62%	very high
September Weather	18°C (64°F)	97 mm (3.8 inches)	66%	very high
October Weather	12°C (54°F)	131 mm (5.1 inches)	79%	high
November Weather	4°C (40°F)	86 mm (3.4 inches)	87%	moderate
December Weather	0°C (33°F)	89 mm (3.5 inches)	85%	low