May weather forecast
Deerfield Beach, FL

May ushers in the beginning of Deerfield Beach, Florida's summer season with a meteoric rise in temperature and an average monthly rainfall of 5.71" (145mm). This month is earmarked by the increased UV index, signally the sun's heightened intensity. Warm ocean currents add to the city's unique beach city charm, attracting tourists in droves. Longer daylight hours make outdoor activities an inviting prospect. As May transitions into June, the weather further heats up in preparation for Florida's peak summer season.

Temperature

During May, the average high-temperature in Deerfield Beach is a still moderately hot 81.5°F (27.5°C), maintaining a close resemblance to that of the preceding month. Deerfield Beach marks an average drop to a still warm 75.9°F (24.4°C) during nighttime in May, following the high of the day.

Heat index

During May, the heat index is estimated at a tropical 86°F (30°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. 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. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

In Deerfield Beach, the average relative humidity in May is 73%.

Rainfall

In May, the rain falls for 20.9 days. Throughout May, 5.71" (145mm) of precipitation is accumulated. In Deerfield Beach, Florida, during the entire year, the rain falls for 243.5 days and collects up to 53.31" (1354mm) of precipitation.

Ocean temperature

In Deerfield Beach, in May, the average water temperature is 80.8°F (27.1°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in May in Deerfield Beach is 13h and 27min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:52 pm. On the last day of May, sunrise is at 6:27 am and sunset at 8:08 pm EDT.

Sunshine

In May, the average sunshine in Deerfield Beach is 10.6h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 7 in May translates into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Watch out! Sand and water enhance the UV exposure you receive.