nomadseason

May Weather in Surfside Beach, United States

Last updated: June 24, 2025

In May, the average temperature in Surfside Beach, United States hovers around 25°C (77°F), providing a pleasant climate for outdoor activities. Temperatures can dip to a comfortable 15°C (60°F) and soar to a warm 31°C (88°F). However, be prepared for some rain, as precipitation reaches 147 mm (5.8 in) over 15 days, contributing to a high average humidity of 79%.

May Temperature in Surfside Beach

In May in Surfside Beach, the average temperature is 25°C (77°F). Maximum can reach 31°C (88°F), and minimum can be as low as 15°C (60°F). This mild climate makes it an ideal destination for travelers looking to enjoy pleasant weather.

May Weather in Surfside Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Surfside Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surfside Beach, May typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec576066717782838481756661
Data source: Temperature data for Surfside Beach generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Surfside Beach

In Surfside Beach in May, the precipitation amount is 147 mm (5.8 in) over a span of 15 days.

May Precipitation Trends in Surfside Beach

The chart displays monthly precipitation patterns in Surfside Beach, 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 Surfside Beach, May typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec776761721471491421672111047590
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Surfside Beach

In Surfside Beach in May, humidity is 79%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sluggish but pleasantly tropical.

May Average Humidity in Surfside Beach

This chart illustrates the average monthly humidity levels in Surfside Beach, 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 Surfside Beach is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%76%79%79%74%72%68%73%75%78%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Surfside Beach

In Surfside Beach 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 Surfside Beach.

Maximum UV Index Levels in Surfside Beach for May

The chart shows the monthly maximum UV Index (UVI) for Surfside Beach 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 Surfside Beach typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121211975
Data source: Surfside Beach 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 Surfside Beach Compares to Other Months

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

This table compares monthly weather conditions in Surfside Beach, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)77 mm (3.0 inches)78%moderate
February Weather15°C (60°F)67 mm (2.7 inches)81%very high
March Weather19°C (66°F)60 mm (2.4 inches)76%very high
April Weather21°C (71°F)72 mm (2.8 inches)79%extreme
May Weather25°C (77°F)147 mm (5.8 inches)79%extreme
June Weather28°C (82°F)149 mm (5.9 inches)74%extreme
July Weather28°C (83°F)142 mm (5.6 inches)71%extreme
August Weather29°C (84°F)167 mm (6.6 inches)68%extreme
September Weather27°C (81°F)211 mm (8.3 inches)73%extreme
October Weather24°C (75°F)104 mm (4.1 inches)75%very high
November Weather19°C (66°F)75 mm (2.9 inches)78%high
December Weather16°C (61°F)89 mm (3.5 inches)84%moderate

Compare Surfside Beach's Climate with Cities Worldwide