New Delhi, June 10 -- As travelers prepare to set off on summer trips, scorching temperatures lie in wait.

Above-average temperatures could be on the books this summer, according to forecasters, and a developing El Nino event could spell out warmer weather later in the year or next summer. Sizzling temperatures are more than an inconvenience: They can cause heat exhaustion and life-threatening heat stroke.

Travelers can take precautions to have fun with heat preparedness in mind.

"The same way that we prepare for more extreme travel in the cold, we should start to consider those tips to keep us safe in the summer months," said Dr. Alexander Azan with NYU Langone Health, who co-directs the Project HEATWAVE initiative.

Check the forecas...