August weather forecastSaint Marks, FL
August
Weather in August
The last month of the summer, August, is also a hot month in Saint Marks, Florida, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 79.7°F (26.5°C).Temperature
In Saint Marks, July and August are characterised by the peak of temperatures, recording an average high of 86.5°F (30.3°C).Heat index
August's mean heat index is appraised at a sweltering 98.6°F (37°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Observations indicate that the heat index values are for shady locations with light wind. 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 'real feel' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in August is 75%.Rainfall
August is the month with the most rainfall. Rain falls for 26.1 days and accumulates 8.35" (212mm) of precipitation.Daylight
In Saint Marks, the average length of the day in August is 13h and 12min.On the first day of the month, sunrise is at 6:56 am and sunset at 8:30 pm. On the last day of August, sunrise is at 7:13 am and sunset at 8:00 pm EDT.
Sunshine
In August, the average sunshine is 9.3h.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 threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 7 in August translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Saint Marks, FL
- Average high temperature in August: 86.5°F
The warmest months (with the highest average high temperature) are July and August (86.5°F).
The month with the lowest average high temperature is January (60.1°F).
- Average low temperature in August: 79.7°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure in August
Saint Marks, 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
Saint Marks, FL
- Average wind speed in August: 8.1mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in August
Saint Marks, FL
- Average humidity in August: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Saint Marks, FL
- Average rainfall in August: 8.35"
The wettest month (with the highest rainfall) is August (8.35").
The driest month (with the least rainfall) is November (1.46").
Average rainfall days in August
Saint Marks, FL
- Average rainfall days in August: 26.1 days
The month with the highest number of rainy days is August (26.1 days).
The month with the least rainy days is November (7.4 days).
Average daylight in August /
Average sunshine in August
Saint Marks, FL
- Average daylight in August: 13h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in August: 9h and 18min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in August
Saint Marks, FL
- Average sunshine days in August: 2.7 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is August (2.7 days).
Average UV index in August
Saint Marks, 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
Saint Marks, FL
- Average cloud cover in August: 28
The month with the most cloud cover is December (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 21).
Average visibility in August
Saint Marks, 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).
