May weather forecast
West Palm Beach, FL

May is a significant month for West Palm Beach marking the beginning of the hot summer season. There is a discernable rise in the temperature and humidity levels, challenging the comfort zone of some residents. Expect increased hours of daylight extending up to 13.5 hours, enabling longer periods for leisure activities. Information shows a noticeable upswing in rainfall levels, accumulating up to 2.24" (57mm) over the month. The main characteristic of May is undeniably the high temperature reaching 81°F (27.2°C), setting the stage for the approaching summer.

Temperature

The beginning of May in West Palm Beach, Florida, records an average high-temperature of a still moderately hot 81°F (27.2°C), almost echoing the conditions of the previous month. A consistent nighttime average temperature of 75.7°F (24.3°C) is maintained in West Palm Beach during May.

Heat index

May's mean heat index is estimated at a hot 86°F (30°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In May, the average relative humidity in West Palm Beach is 75%.

Rainfall

In West Palm Beach, in May, during 14.8 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In West Palm Beach, during the entire year, the rain falls for 193.9 days and collects up to 22.56" (573mm) of precipitation.

Ocean temperature

In West Palm Beach, the average seawater temperature in May is 80.2°F (26.8°C).
Note: For swimming, diving, or other water activities, the temperature range of 77°F (25°C) to 84.2°F (29°C) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

In West Palm Beach, the average length of the day in May is 13h and 28min.
On the first day of the month, sunrise is at 6:41 am and sunset at 7:53 pm. On the last day of May, in West Palm Beach, sunrise is at 6:26 am and sunset at 8:09 pm EDT.

Sunshine

The average sunshine in May is 10.6h.

UV index

The months with the highest UV index in West Palm Beach are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.