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May Weather in Loudon, United States

Last updated: June 24, 2025

In May, the average temperature in Loudon, United States hovers around 14°C (57°F). Expect a minimum chill of 1°C (33°F) and a summery peak at 33°C (92°F). With an average humidity of 72%, it’s a month to embrace the elements. Be prepared for a total precipitation of 75 mm (3.0 in) across 10 days, so don’t forget your umbrella!

May Temperature in Loudon

In May in Loudon, the average temperature is 14°C (57°F). Maximum temperatures can reach 33°C (92°F), while minimum temperatures can drop as low as 1°C (33°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

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

The chart illustrates May temperature patterns in Loudon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Loudon, May typically has an average temperature of 14°C (57°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834455768737164523829
Data source: Temperature data for Loudon 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 Loudon

In Loudon in May, the precipitation amount is 75 mm (3.0 in) spread over a duration of 10 days.

May Precipitation Trends in Loudon

The chart displays monthly precipitation patterns in Loudon, 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 Loudon, May typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec72837812975841398677126106118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Loudon

In Loudon in May humidity is 72%. With an average temperature of 14°C (57°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and requiring careful planning to stay hydrated and enjoy your travels.

May Average Humidity in Loudon

This chart illustrates the average monthly humidity levels in Loudon, 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 Loudon is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Loudon

In Loudon 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 Loudon.

Maximum UV Index Levels in Loudon for May

The chart shows the monthly maximum UV Index (UVI) for Loudon 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 Loudon typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: Loudon 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 Loudon Compares to Other Months

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

This table compares monthly weather conditions in Loudon, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)72 mm (2.8 inches)86%moderate
February Weather-2°C (28°F)83 mm (3.3 inches)84%moderate
March Weather1°C (34°F)78 mm (3.1 inches)82%moderate
April Weather7°C (46°F)129 mm (5.1 inches)80%very high
May Weather14°C (57°F)75 mm (3.0 inches)72%very high
June Weather20°C (68°F)84 mm (3.3 inches)72%very high
July Weather23°C (73°F)139 mm (5.5 inches)67%very high
August Weather22°C (71°F)86 mm (3.4 inches)66%very high
September Weather18°C (64°F)77 mm (3.0 inches)71%high
October Weather11°C (53°F)126 mm (5.0 inches)78%moderate
November Weather4°C (39°F)106 mm (4.2 inches)84%moderate
December Weather-2°C (29°F)118 mm (4.6 inches)81%low

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