May weather forecast
Daytona Beach, FL

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The white sandy shores of Daytona Beach in Florida, with a distant view of a funfair and the cityscape
The white sandy shores of Daytona Beach in Florida, with a distant view of a funfair and the cityscape

Weather in May

May ushers Daytona Beach into the summer with temperatures typically ranging to a peak of 82.8°F (28.2°C). The Daytona Beach weather in May is characterized by a surge in rainfall, averaging 3.27" (83mm), making it one of the wettest months. The city routinely yields to bouts of high humidity, serving as a precursor to the sweltering summer ahead. Despite the frequent showers, the promise of ample sunshine facilitates plans for outdoor extravaganzas. The changes experienced in May often pave the way for the onset of more extreme summer weather conditions in the coming months.

Temperature

Daytona Beach sees the arrival of May with an average high-temperature of a still warm 82.8°F (28.2°C), indicating a subtle variation from April. During May, an average low-temperature of 71.1°F (21.7°C) is observed.

Heat index

In May, the average heat index is evaluated at a tropical 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In May, the average relative humidity is 74%.

Rainfall

In May, the rain falls for 15.3 days. Throughout May, 3.27" (83mm) of precipitation is accumulated. Throughout the year, there are 196 rainfall days, and 37.91" (963mm) of precipitation is accumulated.

Ocean temperature

In Daytona Beach, the average seawater temperature in May is 76.8°F (24.9°C).
Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 76.8°F (24.9°C) water can be delightful. (Olympic swimming is usually in 77°F (25°C) to 82.4°F (28°C) water.)

Daylight

The average length of the day in May is 13h and 37min.
On the first day of the month, sunrise is at 6:41 am and sunset at 8:00 pm. On the last day of May, sunrise is at 6:25 am and sunset at 8:18 pm EDT.

Sunshine

The average sunshine in May in Daytona Beach is 10.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during May?

In Daytona Beach, in May, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 71.1°F (21.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in May is evaluated at 89.6°F (32°C).

What is the average humidity in May?

In Daytona Beach, the average relative humidity in May is 74%.

How much does it rain in May?

In Daytona Beach, in May, during 15.3 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

What is the water temperature in May in Daytona Beach?

In May, the average ocean temperature is 76.8°F (24.9°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.8°F (24.9°C) water may be enjoyable.

How many hours of daylight does Daytona Beach have in May?

The average day length in May is 13h and 37min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:41 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:18 pm EDT.

How long on average sun shines in May?

In Daytona Beach, the average sunshine duration in May is 10.7h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in May?

In May, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in May
Daytona Beach, FL

Average temperature in May - Daytona Beach, FL
  • Average high temperature in May: 82.8°F

The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (66.4°F).

  • Average low temperature in May: 71.1°F

The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).

Average pressure in May
Daytona Beach, FL

Average pressure in May - Daytona Beach, FL
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

Average wind speed in May
Daytona Beach, FL

Average wind speed in May - Daytona Beach, FL
  • Average wind speed in May: 7.9mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in May
Daytona Beach, FL

Average humidity in May - Daytona Beach, FL
  • Average humidity in May: 74%

The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (71%).

Average rainfall in May
Daytona Beach, FL

Average rainfall in May - Daytona Beach, FL
  • Average rainfall in May: 3.27"

The wettest month (with the highest rainfall) is August (6.1").
The driest month (with the least rainfall) is March (1.42").

Average rainfall days in May
Daytona Beach, FL

Average rainfall days in May - Daytona Beach, FL
  • Average rainfall days in May: 15.3 days

The month with the highest number of rainy days is August (26.1 days).
The months with the least rainy days are February and December (11 days).

Average sea temperature in May
Daytona Beach, FL

Average sea temperature in May - Daytona Beach, FL
  • Average sea temperature in May: 76.8°F

The best month for swimming (with the highest average sea temperature) is August (84.6°F).
The coldest month (with the lowest average sea temperature) is January (67.2°F).

Average daylight in May /
Average sunshine in May
Daytona Beach, FL

Average daylight in May / Average sunshine in May - Daytona Beach, FL
  • Average daylight in May: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 6h and 0min).

Average sunshine days in May
Daytona Beach, FL

Average sunshine days in May - Daytona Beach, FL
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is August (2.8 days).

Average UV index in May
Daytona Beach, FL

Average UV index in May - Daytona Beach, FL
  • Average UV index in May: 7

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in May
Daytona Beach, FL

Average cloud cover in May - Daytona Beach, FL
  • Average cloud cover in May: 27

The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 27).

Average visibility in May
Daytona Beach, FL

Average visibility in May - Daytona Beach, FL
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Daytona Beach, Florida, USA

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