May weather forecast
Palm Beach, FL

The shift towards summer in Palm Beach commences with May, as the city's climate grapples with increasingly high temperatures and wetter conditions. May experiences a considerable rise in rainfall amount to 2.24" (57mm), hinting at the onset of the rainy season, which usually spans from June to October. This upswing in the city's precipitation level will not impact the enjoyable warmth of May significantly, thanks to the elevated sunshine hours. June is expected to carry this trend further with a heavier downpour frequency and more potent sunshine. Beaches bustling with activity, sunlit days of tropical bliss, and inviting ocean temperatures are some of the appealing factors of vacationing in Palm Beach during May.

Temperature

The transition into May notes an average high-temperature of a still warm 81°F (27.2°C), revealing a mild distinction from the 78.1°F (25.6°C) in April. In Palm Beach, the month of May records an average minimum temperature of 75.7°F (24.3°C), a slight dip from the daily highs.

Heat index

In May, the heat index is evaluated at a hot 86°F (30°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
In reference to the heat index, it's for places in shade and with a slight wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

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

Rainfall

In May, in Palm Beach, the rain falls for 14.8 days. Throughout May, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 193.9 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

Ocean temperature

In Palm Beach, Florida, in May, the average water temperature is 80.2°F (26.8°C).
Note: With water temperature from 77°F (25°C) to 84.2°F (29°C), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

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 7:52 pm. On the last day of May, in Palm Beach, Florida, sunrise is at 6:26 am and sunset at 8:09 pm EDT.

Sunshine

In May, the average sunshine is 10.6h.

UV index

The months with the highest UV index in Palm Beach are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 in May translates into these instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heads up! UV intensity is amplified by reflections from water and sand.