May weather forecast
South Daytona, FL

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Weather in May

The last month of the spring, May, is another warm month in South Daytona, Florida, with an average temperature ranging between min 71.2°F (21.8°C) and max 82.8°F (28.2°C).

Temperature

Welcoming May, South Daytona notes an average high-temperature of a still warm 82.8°F (28.2°C), nearly consistent with April's 78.4°F (25.8°C). South Daytona records an average nighttime low of 71.2°F (21.8°C) in May.

Heat index

May's heat index is calculated to be a tropical 89.6°F (32°C). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

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

Rainfall

In South Daytona, during May, the rain falls for 15.8 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, there are 186.5 rainfall days, and 32.6" (828mm) of precipitation is accumulated.

Daylight

In May, the average length of the day in South Daytona is 13h and 37min.
On the first day of May, 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.

Sunshine

In South Daytona, the average sunshine in May 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 value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 7 transforms into these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in South Daytona in May?

An average high-temperature, in May, in South Daytona, is 82.8°F (28.2°C) and the average low-temperature is 71.2°F (21.8°C). In May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in May in South Daytona?

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

How many days does it rain in May in South Daytona?

In South Daytona, in May, it is raining for 15.8 days, with typically 3.03" (77mm) of accumulated precipitation.

What is the average length of the day in May in South Daytona?

The average day length in May in South Daytona, Florida, is 13h and 37min.

When is the sunrise / sunset in May in South Daytona?

On the first day of May, 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 South Daytona?

In South Daytona, Florida, the average sunshine duration in May is 10.6h.

When is the highest UV index in South Daytona?

May through September, with an average maximum UV index of 7, are months with the highest UV index in South Daytona, Florida.

What is the UV index intensity in May in South Daytona?

In South Daytona, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
South Daytona, FL

Average temperature in May - South Daytona, 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 (66.7°F).

  • Average low temperature in May: 71.2°F

The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).

Average pressure in May
South Daytona, FL

Average pressure in May - South Daytona, 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
South Daytona, FL

Average wind speed in May - South Daytona, FL
  • Average wind speed in May: 8mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

Average humidity in May
South Daytona, FL

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

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

Average rainfall in May
South Daytona, FL

Average rainfall in May - South Daytona, FL
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is August (4.96").
The driest month (with the least rainfall) is March (1.34").

Average rainfall days in May
South Daytona, FL

Average rainfall days in May - South Daytona, FL
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is December (10.5 days).

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

Average daylight in May / Average sunshine in May - South Daytona, 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: 5h and 54min).

Average sunshine days in May
South Daytona, FL

Average sunshine days in May - South Daytona, FL
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (5.6 days).

Average UV index in May
South Daytona, FL

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

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

Average cloud cover in May
South Daytona, FL

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

The months with the most cloud cover are January, February, November and December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 27).

Average visibility in May
South Daytona, FL

Average visibility in May - South Daytona, 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).

South Daytona, Florida, USA

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