The all-time hottest temperatures recorded at Yellowstone National Park.
These are the ten all-time hottest weather temperature days recorded at Cody, Wyoming on the eastern edge of Yellowstone National Park. The temperature data for Cody, just outside Yellowstone National Park, dates back to 1915.
Almost 4 million people a year visit Yellowstone National Park, and most visit in the summer when it can get pretty hot. A handful of people die every year in Yellowstone, some of them from heat stroke and other heat related problems. If you go to Yellowstone, be aware that it can get hot there, and prepare accordingly.
The hottest temperature ever recorded in Yellowstone National Park (Cody, Wyoming) is 105 degrees, which on both August 15, 1951 and on July 14, 1925. The hottest temperature ever recorded in the state of Wyoming is 116 degrees, which occurred on August 8, 1983 in Basin.
One hundred degree weather days are not common in Yellowstone National Park. The earliest date that a 100 degree weather day occurred in the park in any year dating back to 1915 is June 22. That latest date that a 100 degree temperature day occurred in any year in the park is August 10th.
The month when 100 degree weather temperature days are most likely to occur is July, followed by August and then June. Those are the only three months of the year when a 100 degree weather day occurred.
10 All-Time Hottest Weather Temperature Days in Yellowstone National Park (Cody, Wyoming)
T-1. July 15, 1951 - 105 degrees
T-1. July 14, 1925 - 105 degrees
T-3. August 5, 1961 - 103 degrees
T-3. July 28, 1935 - 103 degrees
T-3. June 19, 1919 - 103 degrees
T-6. July 14, 1953 - 102 degrees
T-6. July 16, 1951 - 102 degrees
T-6. July 10, 1939 - 102 degrees
T-6. August 10, 1935 - 102 degrees
T-6. July 27, 1935 - 102 degrees
It has been 102 degrees in Yellowstone on other dates, but just the last five are listed above.
As the data also shows, the hottest month of the year in the park is July, which has a daily average temperature of 70.0 degrees, followed by August at 68.5 degrees. The next hottest month is June, which has a daily average temperature of 62.3 degrees, followed by September at 58.8 degrees.
For more see 10 All-Time Hottest Weather Temperature Days in Grand Canyon National Park
10 All-Time Hottest Weather Temperatures in Yosemite National Park
10 Largest National Parks in the Continental United States