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May Weather in Charlotte, United States

Last updated: June 24, 2025

In Charlotte, United States, the average temperature in May hovers around 21°C (70°F), with lows dipping to 2°C (37°F) and highs reaching up to 34°C (93°F). Expect a notable precipitation amount of 127 mm (5.0 in) spread across 14 days, all while enjoying an average humidity level of 82%. Get ready for a month of varied weather!

May Temperature in Charlotte

In May, in Charlotte, the average temperature is 21°C (70°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 2°C (37°F). This weather makes Charlotte an ideal destination for travelers seeking a pleasant climate.

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

The chart illustrates May temperature patterns in Charlotte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charlotte, May typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec404452597077807873634845
Data source: Temperature data for Charlotte 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 Charlotte

In Charlotte in May, the total precipitation amount is 127 mm (5.0 in), occurring over the course of 14 days.

May Precipitation Trends in Charlotte

The chart displays monthly precipitation patterns in Charlotte, 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 Charlotte, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec9917715816012711712613012213481140
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Charlotte

In Charlotte in May, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

May Average Humidity in Charlotte

This chart illustrates the average monthly humidity levels in Charlotte, 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 Charlotte is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Charlotte

In Charlotte 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 Charlotte.

Maximum UV Index Levels in Charlotte for May

The chart shows the monthly maximum UV Index (UVI) for Charlotte 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 Charlotte typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Charlotte 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 Charlotte Compares to Other Months

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

This table compares monthly weather conditions in Charlotte, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)99 mm (3.9 inches)87%moderate
February Weather7°C (44°F)177 mm (7.0 inches)86%high
March Weather11°C (53°F)158 mm (6.2 inches)86%high
April Weather15°C (59°F)160 mm (6.3 inches)82%very high
May Weather21°C (70°F)127 mm (5.0 inches)82%very high
June Weather25°C (77°F)117 mm (4.6 inches)83%extreme
July Weather27°C (80°F)126 mm (4.9 inches)80%extreme
August Weather25°C (78°F)130 mm (5.1 inches)74%very high
September Weather23°C (74°F)122 mm (4.8 inches)71%very high
October Weather17°C (63°F)134 mm (5.3 inches)78%high
November Weather9°C (48°F)81 mm (3.2 inches)88%moderate
December Weather7°C (45°F)140 mm (5.5 inches)88%moderate

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