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May Weather in Carbondale, United States

Last updated: June 24, 2025

In May, the average temperature in Carbondale, United States hovers around 8°C (47°F). Expect minimums dipping to -10°C (15°F) and pleasant highs reaching 26°C (79°F). Rain is likely with an average precipitation amount of 52 mm (2.1 in) over 9 days, while humidity remains at a steady 66%.

May Temperature in Carbondale

In May in Carbondale, the average temperature is 8°C (47°F). Maximums can reach 26°C (79°F), while minimums can dip as low as -10°C (15°F). This range of temperatures makes it important for travelers to prepare for both warm and cold conditions 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 8°C (47°F), with highs reaching up to 26°C (79°F) and lows dropping to around -10°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec212432374761676558413021
Data source: Temperature data for Carbondale generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Carbondale

In Carbondale in May, the total precipitation amount is 52 mm (2.1 in) over the course of 9 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 52 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec628569535223161619675266
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Carbondale

In Carbondale in May, humidity is 66%. With an average temperature of 8°C (47°F), this humidity feels like a crisp chill that clings to your skin, making outdoor activities invigorating but requiring an extra layer to stay comfortable while exploring the sights.

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 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469121213121210754
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.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)62 mm (2.5 inches)88%moderate
February Weather-4°C (24°F)85 mm (3.3 inches)87%high
March Weather0°C (33°F)69 mm (2.7 inches)81%very high
April Weather3°C (37°F)53 mm (2.1 inches)76%extreme
May Weather8°C (47°F)52 mm (2.1 inches)66%extreme
June Weather16°C (61°F)23 mm (0.9 inches)58%extreme
July Weather20°C (68°F)16 mm (0.6 inches)52%extreme
August Weather19°C (66°F)16 mm (0.6 inches)56%extreme
September Weather15°C (58°F)19 mm (0.7 inches)65%very high
October Weather5°C (41°F)67 mm (2.6 inches)76%high
November Weather-1°C (30°F)52 mm (2.0 inches)82%moderate
December Weather-6°C (21°F)66 mm (2.6 inches)89%moderate

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