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
With an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 77.9°F (25.5°C), August is the warmest month.Heat index
The average heat index in August is appraised at an extremely hot 107.6°F (42°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, metabolic differences, wind, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
With an average relative humidity of 79%, August is the most humid month in Port Saint John.Rainfall
The month with the most rainfall is August, when the rain falls for 25.8 days and typically aggregates up to 6.81" (173mm) of precipitation.Daylight
The average length of the day in August in Port Saint John is 13h and 8min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:14 pm. On the last day of August, sunrise is at 7:00 am and sunset at 7:46 pm EDT.
Sunshine
In August, the average sunshine is 10.6h.UV index
The months with the highest UV index in Port Saint John 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 unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 7 in August interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
FAQ
What is the warmest month in Port Saint John?
What is the temperature in August in Port Saint John?
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?
What is the average length of the day in August in Port Saint John?
When are sunrise and sunset in August in Port Saint John?
How long on average sun shines in August in Port Saint John?
What is the month with the highest UV index in Port Saint John?
What is the UV index reading 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 8min
The month with the longest days is June (Average daylight: 13h and 56min).
The month with the shortest days is December (Average daylight: 10h and 22min).
- Average sunshine in August: 10h and 36min
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).
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