August weather forecast
Flagler Beach, FL

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Weather in August

The last month of the summer, August, is another hot month in Flagler Beach, Florida, with an average temperature fluctuating between 78.4°F (25.8°C) and 87.8°F (31°C).

Temperature

The month of August, characterized by an average high of 87.8°F (31°C) and a low of 78.4°F (25.8°C), is recognized as the warmest.

Heat index

For most parts of August, the heat index is estimated at a blistering 104°F (40°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

August is the most humid month, with an average relative humidity of 78%.

Rainfall

August is the month with the most rainfall. Rain falls for 24.2 days and accumulates 5.28" (134mm) of precipitation.

Ocean temperature

The month with the warmest seawater is August, with an average ocean temperature of 84.7°F (29.3°C).
Note: Water temperatures in the range of 77°F (25°C) to 84.2°F (29°C) are warm and delightful, ensuring comfort during water activities over extended periods.

Daylight

In August, the average length of the day is 13h and 10min.
On the first day of August, sunrise is at 6:44 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 7:47 pm EDT.

Sunshine

In Flagler Beach, the average sunshine in August 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 of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, a regular UV index of 7 translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Caution! The Sun's UV intensity grows with reflections off sand and water.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Flagler Beach?

August stands out as Flagler Beach's warmest month, with temperatures ranging between an average high of 87.8°F (31°C) and a low of 78.4°F (25.8°C).

How hot is it in Flagler Beach in August?

The high-temperature, in August, in Flagler Beach, is 87.8°F (31°C), while the low-temperature averages to 78.4°F (25.8°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 104°F (40°C).

What is the most humid month in Flagler Beach?

With an average relative humidity of 78%, August is the most humid month.

What is the average humidity in August?

In August, the average relative humidity is 78%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 24.2 days and accumulates 5.28" (134mm) of precipitation.

How many days does it rain in August?

In Flagler Beach, in August, during 24.2 rainfall days, 5.28" (134mm) of precipitation is typically accumulated.

What month is the ocean warmest?

The month with the warmest seawater is August, with an average ocean temperature of 84.7°F (29.3°C).

What is the water temperature in August?

In Flagler Beach, in August, the average water temperature is 84.7°F (29.3°C). 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.

What is the average length of the day in August?

In Flagler Beach, the average day length in August is 13h and 10min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 6:44 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 7:47 pm EDT.

How long on average sun shines in August?

The average sunshine duration in August is 10.7h.

When is the highest UV index?

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

How high is the UV index in August in Flagler Beach?

In Flagler Beach, the average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in August
Flagler Beach, FL

Average temperature in August - Flagler Beach, FL
  • Average high temperature in August: 87.8°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 August: 78.4°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).

Average pressure in August
Flagler Beach, FL

Average pressure in August - Flagler Beach, FL
  • Average pressure in August: 29.99"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 August
Flagler Beach, FL

Average wind speed in August - Flagler Beach, FL
  • Average wind speed in August: 6.8mph

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).

Average humidity in August
Flagler Beach, FL

Average humidity in August - Flagler Beach, FL
  • Average humidity in August: 78%

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

Average rainfall in August
Flagler Beach, FL

Average rainfall in August - Flagler Beach, FL
  • Average rainfall in August: 5.28"

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

Average rainfall days in August
Flagler Beach, FL

Average rainfall days in August - Flagler Beach, FL
  • Average rainfall days in August: 24.2 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).

Average sea temperature in August
Flagler Beach, FL

Average sea temperature in August - Flagler Beach, FL
  • Average sea temperature in August: 84.6°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 August /
Average sunshine in August
Flagler Beach, FL

Average daylight in August / Average sunshine in August - Flagler Beach, FL
  • Average daylight in August: 13h and 1min

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 August: 10h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in August
Flagler Beach, FL

Average sunshine days in August - Flagler Beach, FL
  • Average sunshine days in August: 4.8 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).

Average UV index in August
Flagler Beach, FL

Average UV index in August - Flagler Beach, FL
  • Average UV index in August: 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 August
Flagler Beach, FL

Average cloud cover in August - Flagler Beach, FL
  • Average cloud cover in August: 29

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

Average visibility in August
Flagler Beach, FL

Average visibility in August - Flagler Beach, FL
  • Average visibility in August: 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).

Flagler Beach, Florida, USA

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