August weather forecast
Belleair Beach, FL

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Weather in August

The last month of the summer, August, is another hot month in Belleair Beach, Florida, with an average temperature varying between 87.6°F (30.9°C) and 80.6°F (27°C).

Temperature

The month of August, characterized by an average high of 87.6°F (30.9°C) and a low of 80.6°F (27°C), is recognized as the warmest.

Heat index

August's mean heat index is calculated to be a very hot 100.4°F (38°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In August, the average relative humidity is 73%.

Rainfall

The month with the most rainfall is August, when the rain falls for 22.7 days and typically aggregates up to 3.07" (78mm) of precipitation.

Ocean temperature

August is the month with the warmest seawater, with an average ocean temperature of 86.7°F (30.4°C).
Note: For many, when water temperatures rise above 86°F (30°C), the cooling pleasure of swimming diminishes.

Daylight

In Belleair Beach, the average length of the day in August is 13h and 7min.
On the first day of August, sunrise is at 6:54 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 7:53 pm EDT.

Sunshine

In August, the average sunshine is 9.8h.

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 health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In August, the maximum UV index of 7 suggests these recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month?

Belleair Beach's August weather reaches an average high of 87.6°F (30.9°C) and an average low of 80.6°F (27°C), making it the warmest month.

How hot does it get in August?

In Belleair Beach, in August, the average high-temperature is 87.6°F (30.9°C), and the average low-temperature is 80.6°F (27°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 100.4°F (38°C).

What is the average humidity in August?

In Belleair Beach, the average relative humidity in August is 73%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 22.7 days and typically aggregates up to 3.07" (78mm) of precipitation.

How much does it rain in August?

In Belleair Beach, Florida, in August, during 22.7 rainfall days, 3.07" (78mm) 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 86.7°F (30.4°C).

What is the ocean temperature in August?

In August, the average ocean temperature is 86.7°F (30.4°C). For swimming, other intense water activities, temperature above 86°F (30°C) is arguably unpleasant, as the water cooling effect is missing.

How many hours of daylight does Belleair Beach have in August?

In August, the average day length is 13h and 7min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:54 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 7:53 pm EDT.

How many hours of sunshine does Belleair Beach have in August?

The average sunshine duration in August is 9.8h.

What are the months with the highest UV index?

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

How high is the UV index in August?

In Belleair Beach, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high hazard to health 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 August
Belleair Beach, FL

Average temperature in August - Belleair Beach, FL
  • Average high temperature in August: 87.6°F

The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (65.8°F).

  • Average low temperature in August: 80.6°F

The month with the highest average low temperature is August (80.6°F).
The coldest month (with the lowest average low temperature) is January (55.9°F).

Average pressure in August
Belleair Beach, FL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).

Average wind speed in August
Belleair Beach, FL

Average wind speed in August - Belleair Beach, FL
  • Average wind speed in August: 7.5mph

The windiest months (with the highest average wind speed) are January and March (9.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in August
Belleair Beach, FL

Average humidity in August - Belleair Beach, FL
  • Average humidity in August: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in August
Belleair Beach, FL

Average rainfall in August - Belleair Beach, FL
  • Average rainfall in August: 3.07"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is March (0.39").

Average rainfall days in August
Belleair Beach, FL

Average rainfall days in August - Belleair Beach, FL
  • Average rainfall days in August: 22.7 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is February (6.7 days).

Average sea temperature in August
Belleair Beach, FL

Average sea temperature in August - Belleair Beach, FL
  • Average sea temperature in August: 86.7°F

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (64°F).

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

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in August
Belleair Beach, FL

Average sunshine days in August - Belleair Beach, FL
  • Average sunshine days in August: 5 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (5 days).

Average UV index in August
Belleair Beach, FL

Average UV index in August - Belleair 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 month with the lowest UV index is January (UV index 4).

Average cloud cover in August
Belleair Beach, FL

Average cloud cover in August - Belleair Beach, FL
  • Average cloud cover in August: 26

The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in August
Belleair Beach, FL

Average visibility in August - Belleair 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).

Belleair Beach, Florida, USA

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