Heat exhaustion is strongly related to the heat index, which is a measurement of how hot you feel when the effects of relative humidity and air temperature are combined. A relative humidity of 60% or more hampers sweat evaporation, which hinders your body's ability to cool itself.
Statistics (2015) Jacksonville International Airport (IATA: JAX, ICAO: KJAX, FAA LID: JAX) is a civil-military public airport 13 miles (21 km) north of downtown Jacksonville, in Duval County, Florida. It is owned and operated by the Jacksonville Aviation Authority.
You might be more interested in calculating the flight time from Jacksonville, FL to Orlando, FL. Combining a tour of Jacksonville and Orlando will allow you to see the best of Florida â beaches, shopping and theme parks. Known as âRiver City by the Seaâ, Jacksonville has 22 miles of white-sandy beaches.