August weather forecast
Clearwater Beach, FL

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Weather in August

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

Temperature

Clearwater Beach witnesses the warmest weather in August, with temperatures averaging a high of 87.6°F (30.9°C) and a low of 80.6°F (27°C).

Heat index

The average heat index in August is appraised at a torrid 100.4°F (38°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in August is 73%.

Rainfall

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

Daylight

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

Sunshine

The average sunshine in August in Clearwater Beach 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 risk from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 7 in August leads to these recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest in Clearwater Beach?

August is the warmest month, with an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 80.6°F (27°C).

How hot is it in Clearwater Beach in August?

The average high-temperature, in August, in Clearwater Beach, is 87.6°F (30.9°C), while the average low-temperature is 80.6°F (27°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 100.4°F (38°C).

What is the average humidity in August in Clearwater Beach?

In August, the average relative humidity is 73%.

What is the wettest month in Clearwater Beach?

August is the month with the most rainfall in Clearwater Beach, Florida. Rain falls for 22.7 days and accumulates 3.07" (78mm) of precipitation.

How many days does it rain in August in Clearwater Beach?

In August, in Clearwater Beach, the rain falls for 22.7 days. Throughout August, 3.07" (78mm) of precipitation is accumulated.

What is the average length of the day in August in Clearwater Beach?

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

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

On the first day of August in Clearwater Beach, 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 long on average sun shines in August in Clearwater Beach?

In August, the average sunshine duration in Clearwater Beach is 9.8h.

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

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

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

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

Average temperature in August - Clearwater 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
Clearwater Beach, FL

Average pressure in August - Clearwater 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
Clearwater Beach, FL

Average wind speed in August - Clearwater 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
Clearwater Beach, FL

Average humidity in August - Clearwater 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
Clearwater Beach, FL

Average rainfall in August - Clearwater 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
Clearwater Beach, FL

Average rainfall days in August - Clearwater 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 daylight in August /
Average sunshine in August
Clearwater Beach, FL

Average daylight in August / Average sunshine in August - Clearwater 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
Clearwater Beach, FL

Average sunshine days in August - Clearwater 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
Clearwater Beach, FL

Average UV index in August - Clearwater 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
Clearwater Beach, FL

Average cloud cover in August - Clearwater 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
Clearwater Beach, FL

Average visibility in August - Clearwater 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).

Clearwater Beach, Florida, USA

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