May Weather in Roanoke, United States

Last updated: June 24, 2025

In May, the average temperature in Roanoke, United States hovers around 25°C (77°F), offering a delightful climate for outdoor activities. Expect a minimum of 11°C (51°F) and a maximum of 36°C (97°F), providing a wide range of temperatures throughout the month. However, prepare for precipitation, as the region receives approximately 181 mm (7.1 in) over 12 days, complemented by an average humidity level of 81%. Embrace the warm, yet sometimes rainy, ambiance of Roanoke!

May Temperature in Roanoke

In May in Roanoke, the average temperature is 25°C (77°F). Maximums can reach 36°C (97°F), and minimums can be as low as 11°C (51°F). This makes Roanoke an ideal destination for travelers looking for warm weather with comfortable nights.

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

The chart illustrates May temperature patterns in Roanoke, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roanoke, May typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec535865697781828279726057
Data source: Temperature data for Roanoke 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 Roanoke

In Roanoke in May, the precipitation amount is 181 mm (7.1 in) over a period of 12 days.

May Precipitation Trends in Roanoke

The chart displays monthly precipitation patterns in Roanoke, 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 Roanoke, May typically receives around 181 mm (7.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1151046215218115716218114512379115
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Roanoke

In Roanoke in May, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

May Average Humidity in Roanoke

This chart illustrates the average monthly humidity levels in Roanoke, 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 Roanoke is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%80%81%76%73%72%72%73%83%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Roanoke

In Roanoke in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Roanoke.

Maximum UV Index Levels in Roanoke for May

The chart shows the monthly maximum UV Index (UVI) for Roanoke 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 Roanoke typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101112121210965
Data source: Roanoke 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 Roanoke Compares to Other Months

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

This table compares monthly weather conditions in Roanoke, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)115 mm (4.5 inches)81%moderate
February Weather15°C (58°F)104 mm (4.1 inches)81%very high
March Weather18°C (65°F)62 mm (2.4 inches)79%very high
April Weather20°C (69°F)152 mm (6.0 inches)80%very high
May Weather25°C (77°F)181 mm (7.1 inches)81%extreme
June Weather27°C (81°F)157 mm (6.2 inches)76%extreme
July Weather28°C (83°F)162 mm (6.4 inches)73%extreme
August Weather28°C (83°F)181 mm (7.1 inches)71%extreme
September Weather26°C (80°F)145 mm (5.7 inches)72%very high
October Weather22°C (72°F)123 mm (4.8 inches)73%very high
November Weather16°C (60°F)79 mm (3.1 inches)83%high
December Weather14°C (57°F)115 mm (4.5 inches)88%moderate

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