May weather forecast and climate
Flagler Beach, FL

Weather in May

May, the last month of the spring, in Flagler Beach, is also a moderately hot month, with average temperature fluctuating between 71.2°F (21.8°C) and 82°F (27.8°C).

Temperature

In Flagler Beach, the average high-temperature is practically the same as in April - a still moderately hot 82°F (27.8°C). In May, in Flagler Beach, Florida, the average low-temperature is 71.2°F (21.8°C).

Heat index

The average heat index is calculated to a hot 87.4°F (30.8°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Flagler Beach, the average relative humidity is 74%.

Rainfall

In Flagler Beach, during May, the rain falls for 15.3 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 191.6 rainfall days, and 35.2" (894mm) of precipitation is accumulated.

Ocean temperature

In Flagler Beach, the average seawater temperature is 76.8°F (24.9°C).
Note: 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. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in Flagler Beach is 13.6h.

Sunshine

In May, the average sunshine is 10.6h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in May in Flagler Beach?

In May, in Flagler Beach, Florida, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 71.2°F (21.8°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), that calculates temperature value influenced by the moisture in the air, is evaluated at 87.4°F (30.8°C).

What is the average humidity in May in Flagler Beach?

The average relative humidity in May in Flagler Beach is 74%.

How many days does it rain in May in Flagler Beach?

In May, the rain falls for 15.3 days. Throughout May, 3.11" (79mm) of precipitation is accumulated.

What is the water temperature in May in Flagler Beach?

In Flagler Beach, the average seawater temperature in May is 76.8°F (24.9°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.8°F (24.9°C).

What is the average length of the day in May in Flagler Beach?

In Flagler Beach, Florida, the average length of the day in May is 13.6h.

How long on average sun shines in May in Flagler Beach?

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

What are the months with the highest UV index in Flagler Beach?

Months with the highest UV index in Flagler Beach, Florida, are May through August, with an average maximum UV index of 7.

What is the UV index intensity in May in Flagler Beach?

The average daily maximum UV index in May in Flagler Beach, Florida, is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in May
Flagler Beach, FL

Average temperature in May - Flagler Beach, FL
  • Average high temperature in May: 82°F

The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is January (65.7°F).

  • Average low temperature in May: 71.2°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (53.8°F).

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Average pressure in May
Flagler Beach, FL

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

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

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Average wind speed in May
Flagler Beach, FL

Average wind speed in May - Flagler Beach, FL
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in May
Flagler Beach, FL

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

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is March (72%).

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Average rainfall in May
Flagler Beach, FL

Average rainfall in May - Flagler Beach, FL
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is August (5.28").
The driest month (with the least rainfall) is March (1.38").

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Average rainfall days in May
Flagler Beach, FL

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

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is February (10.6 days).

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Average sea temperature in May
Flagler Beach, FL

Average sea temperature in May - Flagler 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).

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

Average daylight in May / Average sunshine in May - Flagler Beach, FL
  • Average daylight in May: 13.6h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in May: 10.6h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 5.9h).

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Average sunshine days in May
Flagler Beach, FL

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

The month with the most sunshine days is March (17.2 days).
The month with the least sunshine days is August (4.8 days).

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Average UV index in May
Flagler Beach, FL

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

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).

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Average cloud cover in May
Flagler Beach, FL

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

The month with the most cloud cover is December (Cloud cover 37).
Months with the least cloud cover are May and July (Cloud cover 27).

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Average visibility in May
Flagler Beach, FL

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

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

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