On July 10, 1913, Greenland Ranch in Death Valley was listed to record the highest temperature ever at 134°F. This recording still stands as the highest air temperature ever reliably measured. However, you may enjoy knowing that Death Valley is a little bit “cooler” most days, with its average summer temperatures around 113°F.

Although the Guinness Book of World Records observes this temperature record, there has also been doubt about the credibility of the weather observer who measured the temperature that day. Climatologist Christopher C. Burt and extreme weather expert William T. Reid argue that from a meteorological point of view, Death Valley couldn’t reach 134°F on July 10, 1913.

Death Valley sits in the Mojave Desert in Eastern California. The area owes its high-temperature records to the long and narrow orientation of the valley. It is tucked between steep mountain ranges, making it a funnel for sunlight and heat. Other factors contributing to the massive heat at Death Valley include lack of vegetation, low humidity that hinders the formation of clouds, and heat radiation from the rocky mountain surfaces surrounding the valley.

Despite the heat, 576 residents still call Death Valley home. The U.S. military also plays a significant role, using the area to train soldiers for hot weather conditions, a testament to their dedication and the respect they command. Moreover, tourists worldwide are drawn to the area’s unique appeal, which includes the opportunity to experience extreme conditions, hike, and take in scenic views, which intrigues them.