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May Weather in Ironton, United States

Last updated: June 24, 2025

In May, the average temperature in Ironton, United States is a pleasant 19°C (66°F). However, temperatures can vary significantly, with minima dropping to 1°C (34°F) and maxima soaring up to 33°C (92°F). Expect about 128 mm (5.0 in) of precipitation spread across 15 days, contributing to an average humidity level of 81%.

May Temperature in Ironton

In May in Ironton, the average temperature is 19°C (66°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 1°C (34°F). Travelers should pack accordingly, as this month features a wide range of temperatures that cater to both warm and cool preferences.

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

The chart illustrates May temperature patterns in Ironton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ironton, May typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec364047566673787571604540
Data source: Temperature data for Ironton 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 Ironton

In Ironton in May, the precipitation amount is 128 mm (5.0 in) over the course of 15 days.

May Precipitation Trends in Ironton

The chart displays monthly precipitation patterns in Ironton, 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 Ironton, May typically receives around 128 mm (5.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec9113010712512816610913111011476118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ironton

In Ironton in May, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

May Average Humidity in Ironton

This chart illustrates the average monthly humidity levels in Ironton, 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 Ironton is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ironton

In Ironton 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 Ironton.

Maximum UV Index Levels in Ironton for May

The chart shows the monthly maximum UV Index (UVI) for Ironton 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 Ironton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Ironton 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 Ironton Compares to Other Months

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

This table compares monthly weather conditions in Ironton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)91 mm (3.6 inches)88%moderate
February Weather5°C (41°F)130 mm (5.1 inches)88%moderate
March Weather8°C (47°F)107 mm (4.2 inches)87%high
April Weather13°C (56°F)125 mm (4.9 inches)85%very high
May Weather19°C (66°F)128 mm (5.0 inches)81%very high
June Weather23°C (73°F)166 mm (6.5 inches)82%very high
July Weather25°C (78°F)109 mm (4.3 inches)81%very high
August Weather24°C (76°F)130 mm (5.1 inches)73%very high
September Weather21°C (71°F)110 mm (4.3 inches)73%very high
October Weather16°C (60°F)114 mm (4.5 inches)78%high
November Weather7°C (46°F)76 mm (3.0 inches)89%moderate
December Weather5°C (41°F)118 mm (4.6 inches)87%moderate

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