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May Weather in Royal Palm Beach, United States

Last updated: June 24, 2025

In May, the average temperature in Royal Palm Beach, United States is a pleasant 26°C (79°F). Temperatures can vary widely, with a minimum of 17°C (64°F) and a maximum reaching 33°C (92°F). Expect a fair amount of rain, with 165 mm (6.5 in) of precipitation spread over 17 days. The average humidity sits comfortably at 65%, ensuring a warm yet refreshing atmosphere.

May Temperature in Royal Palm Beach

In May in Royal Palm Beach, the average temperature is 26°C (79°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 17°C (64°F). This mild climate makes it an ideal destination for travelers looking to enjoy outdoor activities and explore the local attractions comfortably.

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

The chart illustrates May temperature patterns in Royal Palm Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Royal Palm Beach, May typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (92°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec687272767981838382807470
Data source: Temperature data for Royal Palm Beach 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 Royal Palm Beach

In Royal Palm Beach in May, the precipitation amount reaches 165 mm (6.5 in) over a span of 17 days.

May Precipitation Trends in Royal Palm Beach

The chart displays monthly precipitation patterns in Royal Palm 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 Royal Palm Beach, May typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec344828761652572542502011356537
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Royal Palm Beach

In Royal Palm Beach in May, humidity is 65%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making travel quite sticky and uncomfortable.

May Average Humidity in Royal Palm Beach

This chart illustrates the average monthly humidity levels in Royal Palm 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 Royal Palm Beach is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%68%65%73%77%80%83%83%83%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Royal Palm Beach

In Royal Palm Beach in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Royal Palm Beach.

Maximum UV Index Levels in Royal Palm Beach for May

The chart shows the monthly maximum UV Index (UVI) for Royal Palm 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 Royal Palm Beach typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101212121212111075
Data source: Royal Palm 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 Royal Palm Beach Compares to Other Months

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

This table compares monthly weather conditions in Royal Palm Beach, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)34 mm (1.3 inches)83%high
February Weather22°C (72°F)48 mm (1.9 inches)80%very high
March Weather22°C (72°F)28 mm (1.1 inches)75%very high
April Weather24°C (76°F)75 mm (3.0 inches)68%extreme
May Weather26°C (79°F)165 mm (6.5 inches)65%extreme
June Weather27°C (82°F)257 mm (10.1 inches)73%extreme
July Weather28°C (83°F)254 mm (10.0 inches)77%extreme
August Weather28°C (83°F)250 mm (9.8 inches)80%extreme
September Weather28°C (83°F)201 mm (7.9 inches)83%extreme
October Weather27°C (80°F)135 mm (5.3 inches)83%very high
November Weather24°C (75°F)65 mm (2.6 inches)83%high
December Weather21°C (70°F)37 mm (1.5 inches)84%moderate

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