August weather forecast
Atlantic Beach, FL

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Weather in August

The last month of the summer, August, is another hot month in Atlantic Beach, Florida, with temperature in the range of an average low of 77.5°F (25.3°C) and an average high of 89.2°F (31.8°C).

Temperature

The shift into August uncovers an average high-temperature of a still hot 89.2°F (31.8°C), subtly different from the previous month. An average low-temperature of 77.5°F (25.3°C) is noted during the nights in August in Atlantic Beach.

Heat index

The average heat index in August is evaluated at a scorching 107.6°F (42°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
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 'real feel' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

August and December, with an average relative humidity of 76%, are the most humid months in Atlantic Beach.

Rainfall

The month with the most rainfall is August, when the rain falls for 25.3 days and typically aggregates up to 4.8" (122mm) of precipitation.

Snowfall

February through November are months without snowfall in Atlantic Beach.

Ocean temperature

With an average ocean temperature of 84.2°F (29°C), August is the month with the warmest seawater.
Note: Surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.

Daylight

In Atlantic Beach, the average length of the day in August is 13h and 13min.
On the first day of August in Atlantic Beach, sunrise is at 6:44 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 7:49 pm EDT.

Sunshine

The average sunshine in August 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 threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 7 in August suggests the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Notice! Sand and water reflections contribute to a stronger UV exposure.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Atlantic Beach during August?

The high-temperature in Atlantic Beach, Florida, during August is 89.2°F (31.8°C) and the low-temperature is 77.5°F (25.3°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 107.6°F (42°C).

What is the most humid month in Atlantic Beach?

August and December, with an average relative humidity of 76%, are most humid months in Atlantic Beach, Florida.

What is the average humidity in August in Atlantic Beach?

In Atlantic Beach, the average relative humidity in August is 76%.

What is the rainiest month in Atlantic Beach?

August is the month with the most rainfall in Atlantic Beach. Rain falls for 25.3 days and accumulates 4.8" (122mm) of precipitation.

How much does it rain in Atlantic Beach in August?

In Atlantic Beach, Florida, in August, it is raining for 25.3 days, with typically 4.8" (122mm) of accumulated precipitation.

When it does not snow in Atlantic Beach?

February through November are months without snowfall in Atlantic Beach, Florida.

What is the month with the warmest ocean in Atlantic Beach?

The month with the warmest seawater is August, with an average ocean temperature of 84.2°F (29°C).

What is the water temperature in August in Atlantic Beach?

In August, the average ocean temperature in Atlantic Beach, Florida, is 84.2°F (29°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 Atlantic Beach?

The average day length in August in Atlantic Beach is 13h and 13min.

When is the sunrise / sunset in August in Atlantic Beach?

On the first day of August, sunrise is at 6:44 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 7:49 pm EDT.

How long on average sun shines in August in Atlantic Beach?

In August, the average sunshine duration in Atlantic Beach, Florida, is 10.6h.

What is the month with the highest UV index in Atlantic Beach?

May through September, with an average maximum UV index of 7, are months with the highest UV index in Atlantic Beach.

What is the UV index intensity in August in Atlantic Beach?

In Atlantic 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 unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Atlantic Beach, FL

Average temperature in August - Atlantic Beach, FL
  • Average high temperature in August: 89.2°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (63.3°F).

  • Average low temperature in August: 77.5°F

The months with the highest average low temperature are July and August (77.5°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).

Average pressure in August
Atlantic Beach, FL

Average pressure in August - Atlantic Beach, FL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are August and September (29.98"Hg).

Average wind speed in August
Atlantic Beach, FL

Average wind speed in August - Atlantic Beach, FL
  • Average wind speed in August: 6.5mph

The windiest months (with the highest average wind speed) are January, March, April, October and November (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in August
Atlantic Beach, FL

Average humidity in August - Atlantic Beach, FL
  • Average humidity in August: 76%

The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is March (70%).

Average rainfall in August
Atlantic Beach, FL

Average rainfall in August - Atlantic Beach, FL
  • Average rainfall in August: 4.8"

The wettest month (with the highest rainfall) is August (4.8").
The driest month (with the least rainfall) is January (1.3").

Average rainfall days in August
Atlantic Beach, FL

Average rainfall days in August - Atlantic Beach, FL
  • Average rainfall days in August: 25.3 days

The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is February (9.8 days).

Average snowfall days in August
Atlantic Beach, FL

Average snowfall days in August - Atlantic Beach, FL
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in August
Atlantic Beach, FL

Average sea temperature in August - Atlantic Beach, FL
  • Average sea temperature in August: 84°F

The best month for swimming (with the highest average sea temperature) is August (84°F).
The coldest months (with the lowest average sea temperature) are January, February and March (70°F).

Average daylight in August /
Average sunshine in August
Atlantic Beach, FL

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

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in August: 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 August
Atlantic Beach, FL

Average sunshine days in August - Atlantic Beach, FL
  • Average sunshine days in August: 4.2 days

The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is August (4.2 days).

Average UV index in August
Atlantic Beach, FL

Average UV index in August - Atlantic Beach, FL
  • Average UV index in August: 7

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

Average cloud cover in August
Atlantic Beach, FL

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

The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 26).

Average visibility in August
Atlantic Beach, FL

Average visibility in August - Atlantic 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).

Atlantic Beach, Florida, USA

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