Why is it important to monitor air and water temperatures when diving?

Monitoring air and water temperatures while diving is crucial primarily to mitigate risks like hyperthermia and hypothermia. Temperature can significantly affect a diver's thermal comfort and overall safety. When water temperatures are too low, divers are at risk of hypothermia, which can impair physical and cognitive abilities, increasing the likelihood of accidents underwater. Conversely, diving in overly warm environments can lead to hyperthermia, where the body overheats, also compromising a diver's physical and mental performance.

Being aware of temperature conditions allows divers to make informed decisions regarding the appropriate exposure protection needed, such as wetsuits or drysuits, and to recognize when to abort a dive or change plans if thermal conditions become unsafe. Proper monitoring of these environmental factors ensures that divers maintain their physical wellbeing throughout the dive, ultimately enhancing safety and enjoyment.