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May Weather in Mount Pleasant, United States

Last updated: June 24, 2025

In May, the average temperature in Mount Pleasant, United States hovers around 23°C (73°F). Expect a minimum of 8°C (47°F) and a maximum that can soar to 36°C (96°F). During this month, you can anticipate 160 mm (6.3 in) of precipitation spread over 13 days, with an average humidity level of 81%. Stay prepared for a mix of warm days and occasional rain!

May Temperature in Mount Pleasant

In May in Mount Pleasant, the average temperature is 23°C (73°F). Maximum temperatures can reach 36°C (96°F), while the minimum can drop as low as 8°C (47°F). This variability makes it essential for travelers to pack for both warm and cool conditions.

May Weather in Mount Pleasant: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mount Pleasant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Pleasant, May typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec464959647380838378675551
Data source: Temperature data for Mount Pleasant 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 Mount Pleasant

In Mount Pleasant in May, the precipitation amount is 160 mm (6.3 in) over a span of 13 days.

May Precipitation Trends in Mount Pleasant

The chart displays monthly precipitation patterns in Mount Pleasant, 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 Mount Pleasant, May typically receives around 160 mm (6.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec10114313120316010175788013165114
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mount Pleasant

In Mount Pleasant in May, humidity is 81%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious while traveling and causing you to constantly seek out shade or a cool breeze for relief.

May Average Humidity in Mount Pleasant

This chart illustrates the average monthly humidity levels in Mount Pleasant, 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 Mount Pleasant is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mount Pleasant

In Mount Pleasant 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 Mount Pleasant.

Maximum UV Index Levels in Mount Pleasant for May

The chart shows the monthly maximum UV Index (UVI) for Mount Pleasant 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 Mount Pleasant typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Mount Pleasant 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 Mount Pleasant Compares to Other Months

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

This table compares monthly weather conditions in Mount Pleasant, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)101 mm (4.0 inches)80%moderate
February Weather9°C (49°F)143 mm (5.6 inches)79%high
March Weather15°C (59°F)131 mm (5.2 inches)78%very high
April Weather18°C (64°F)203 mm (8.0 inches)78%very high
May Weather23°C (73°F)160 mm (6.3 inches)81%extreme
June Weather27°C (80°F)101 mm (4.0 inches)78%extreme
July Weather29°C (84°F)75 mm (3.0 inches)73%extreme
August Weather28°C (83°F)78 mm (3.1 inches)66%extreme
September Weather26°C (79°F)80 mm (3.1 inches)65%very high
October Weather19°C (67°F)131 mm (5.2 inches)72%very high
November Weather13°C (55°F)65 mm (2.5 inches)82%high
December Weather10°C (51°F)114 mm (4.5 inches)87%moderate

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