Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August registers as the month with the highest average temperatures, reaching 88.7°F (31.5°C) at its peak and 77.9°F (25.5°C) at the lowest.Heat index
The heat index for August is appraised at a blisteringly hot 107.6°F (42°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.
Humidity
August is the most humid month in Port Saint John, with an average relative humidity of 79%.Rainfall
The month with the most rainfall in Port Saint John is August, when the rain falls for 25.8 days and typically aggregates up to 6.81" (173mm) of precipitation.Daylight
In August, the average length of the day is 13h and 8min.On the first day of the month, sunrise is at 6:45 am and sunset at 8:13 pm. On the last day of August, sunrise is at 7:01 am and sunset at 7:45 pm EDT.
Sunshine
In August, the average sunshine 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 value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 7 in August leads to these recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the warmest months in Port Saint John?
How hot does it get in Port Saint John in August?
What is the most humid month in Port Saint John?
What is the average humidity in August in Port Saint John?
What is the wettest month in Port Saint John?
How many days does it rain in August in Port Saint John?
How many hours of daylight does Port Saint John have in August?
When is the sunrise / sunset in August in Port Saint John?
How long on average sun shines in August in Port Saint John?
When is the highest UV index in Port Saint John?
What is the UV index intensity in August in Port Saint John?
Average temperature in August
Port Saint John, FL
- Average high temperature in August: 88.7°F
The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is January (68.4°F).
- Average low temperature in August: 77.9°F
The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).
Average pressure in August
Port Saint John, FL
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in August
Port Saint John, FL
- Average wind speed in August: 6.3mph
The windiest months (with the highest average wind speed) are January and November (8.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in August
Port Saint John, FL
- Average humidity in August: 79%
The month with the highest relative humidity is August (79%).
The month with the lowest relative humidity is March (71%).
Average rainfall in August
Port Saint John, FL
- Average rainfall in August: 6.81"
The wettest month (with the highest rainfall) is August (6.81").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days in August
Port Saint John, FL
- Average rainfall days in August: 25.8 days
The months with the highest number of rainy days are July and August (25.8 days).
The month with the least rainy days is February (10.8 days).
Average daylight in August /
Average sunshine in August
Port Saint John, 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: 10h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The months with the least sunshine are January, November and December (Average sunshine: 6h and 6min).
Average sunshine days in August
Port Saint John, FL
- Average sunshine days in August: 2.3 days
The months with the most sunshine days are January and March (17.2 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in August
Port Saint John, 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
Port Saint John, FL
- Average cloud cover in August: 28
The months with the most cloud cover are January, November and December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in August
Port Saint John, 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 John, Florida, USA
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