August weather forecastRex, FL
August
Weather in August
The last month of the summer, August, is another hot month in Rex, Florida, with temperature in the range of an average low of 75°F (23.9°C) and an average high of 90.9°F (32.7°C).Temperature
Rex's warmest month, August, registers temperatures that range from a high of 90.9°F (32.7°C) to a low of 75°F (23.9°C).Heat index
In August, the average heat index is evaluated at a blazing hot 114.8°F (46°C). Guard: Heat exhaustion and heat cramps are foreseeable. Prolonged effort may bring about heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
July through September, with an average relative humidity of 78%, are the most humid months.Rainfall
In Rex, in August, during 20.6 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 154.9 rainfall days, and 22.28" (566mm) of precipitation is accumulated.Daylight
In August, the average length of the day is 13h and 11min.On the first day of the month, sunrise is at 6:48 am and sunset at 8:20 pm. On the last day of August, sunrise is at 7:05 am and sunset at 7:51 pm EDT.
Sunshine
In Rex, the average sunshine in August is 9.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 7 during August translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rex, FL
- Average high temperature in August: 90.9°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (64.9°F).
- Average low temperature in August: 75°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in August
Rex, 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 (29.97"Hg).
Average wind speed in August
Rex, FL
- Average wind speed in August: 4.7mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in August
Rex, FL
- Average humidity in August: 78%
The months with the highest relative humidity are July, August and September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in August
Rex, FL
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in August
Rex, FL
- Average rainfall days in August: 20.6 days
The months with the highest number of rainy days are July and August (20.6 days).
The month with the least rainy days is November (6.7 days).
Average daylight in August /
Average sunshine in August
Rex, FL
- Average daylight in August: 13h and 12min
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 42min
The months with the most sunshine are May and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in August
Rex, FL
- Average sunshine days in August: 8.6 days
The month with the most sunshine days is November (21.3 days).
The months with the least sunshine days are July and August (8.6 days).
Average UV index in August
Rex, 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
Rex, FL
- Average cloud cover in August: 33
The months with the most cloud cover are February and December (Cloud cover 39).
The month with the least cloud cover is May (Cloud cover 30).
Average visibility in August
Rex, 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).





