August weather forecast
Port Saint Joe, FL

Share

Weather in August

August, the last month of the summer in Port Saint Joe, is another tropical month, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 80.1°F (26.7°C).

Temperature

Port Saint Joe records the warmest temperatures in August, averaging a high of 87.4°F (30.8°C) and a low of 80.1°F (26.7°C).

Heat index

August's average heat index is appraised at a torrid 100.4°F (38°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.

Humidity

The average relative humidity in August is 74%.

Rainfall

The month with the most rainfall in Port Saint Joe is August, when the rain falls for 23.7 days and typically aggregates up to 4.76" (121mm) of precipitation.

Snowfall

In Port Saint Joe, snow does not fall in January through November.

Ocean temperature

August is the month with the warmest seawater in Port Saint Joe, with an average ocean temperature of 86°F (30°C).
Note: Temperatures exceeding 86°F (30°C) can compromise the refreshing quality of water activities.

Daylight

The average length of the day in August in Port Saint Joe, Florida, is 13h and 11min.
On the first day of August in Port Saint Joe, Florida, sunrise is at 6:01 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:04 pm CDT.

Sunshine

In August, the average sunshine is 9h.

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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the hottest in Port Saint Joe?

With average temperatures fluctuating between a high of 87.4°F (30.8°C) and a low of 80.1°F (26.7°C), August stands out as the warmest month.

How hot is August in Port Saint Joe?

The high-temperature in Port Saint Joe, Florida, during August is 87.4°F (30.8°C) and the low-temperature is 80.1°F (26.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 100.4°F (38°C).

What is the average humidity in August in Port Saint Joe?

The average relative humidity in August in Port Saint Joe, Florida, is 74%.

What is the rainiest month in Port Saint Joe?

The month with the most rainfall in Port Saint Joe is August, when the rain falls for 23.7 days and typically aggregates up to 4.76" (121mm) of precipitation.

How many days does it rain in August in Port Saint Joe?

In Port Saint Joe, Florida, in August, it is raining for 23.7 days, with typically 4.76" (121mm) of accumulated precipitation.

When it does not snow in Port Saint Joe?

In Port Saint Joe, Florida, snow does not fall in January through November.

What is the month with the warmest ocean in Port Saint Joe?

The month with the warmest seawater in Port Saint Joe is August, with an average ocean temperature of 86°F (30°C).

What is the ocean temperature in August in Port Saint Joe?

In August, the average ocean temperature in Port Saint Joe is 86°F (30°C). The water temperature above 86°F (30°C) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

How many hours of daylight does Port Saint Joe have in August?

In August, the average day length is 13h and 11min.

When are sunrise and sunset in August in Port Saint Joe?

On the first day of August in Port Saint Joe, Florida, sunrise is at 6:01 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:04 pm CDT.

How many hours of sunshine does Port Saint Joe have in August?

In August, the average sunshine duration in Port Saint Joe, Florida, is 9h.

When is the highest UV index in Port Saint Joe?

The months with the highest UV index in Port Saint Joe, Florida, are May through August, with an average maximum UV index of 7.

What is the UV index intensity in August in Port Saint Joe?

The average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
Port Saint Joe, FL

Average temperature in August - Port Saint Joe, FL
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (60.8°F).

  • Average low temperature in August: 80.1°F

The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (50°F).

Average pressure in August
Port Saint Joe, FL

Average pressure in August - Port Saint Joe, FL
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in August
Port Saint Joe, FL

Average wind speed in August - Port Saint Joe, FL
  • Average wind speed in August: 7.3mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in August
Port Saint Joe, FL

Average humidity in August - Port Saint Joe, FL
  • Average humidity in August: 74%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (71%).

Average rainfall in August
Port Saint Joe, FL

Average rainfall in August - Port Saint Joe, FL
  • Average rainfall in August: 4.76"

The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in August
Port Saint Joe, FL

Average rainfall days in August - Port Saint Joe, FL
  • Average rainfall days in August: 23.7 days

The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (7.7 days).

Average snowfall days in August
Port Saint Joe, FL

Average snowfall days in August - Port Saint Joe, FL
  • Average snowfall days in August: 0 days

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

Average sea temperature in August
Port Saint Joe, FL

Average sea temperature in August - Port Saint Joe, FL
  • Average sea temperature in August: 86.1°F

The best month for swimming (with the highest average sea temperature) is August (86.1°F).
The coldest months (with the lowest average sea temperature) are January and February (63.8°F).

Average daylight in August /
Average sunshine in August
Port Saint Joe, FL

Average daylight in August / Average sunshine in August - Port Saint Joe, 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: 9h and 0min

The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in August
Port Saint Joe, FL

Average sunshine days in August - Port Saint Joe, FL
  • Average sunshine days in August: 4.8 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is August (4.8 days).

Average UV index in August
Port Saint Joe, FL

Average UV index in August - Port Saint Joe, FL
  • Average UV index in August: 7

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

Average cloud cover in August
Port Saint Joe, FL

Average cloud cover in August - Port Saint Joe, FL
  • Average cloud cover in August: 26

The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 20).

Average visibility in August
Port Saint Joe, FL

Average visibility in August - Port Saint Joe, 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).

Port Saint Joe, Florida, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location