What was the coldest day in Yellowstone?

The lowest temperature recorded in Yellowstone was -66F (-54C) near West Yellowstone on February 9, 1933. Annual snowfall averages near 150 inches (380cm) in most of the park. At higher elevations, 200-400 inches (5-10m) of snowfall have been recorded.



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Temperatures range from zero to 20F (-20C to -5C) throughout the day. Sub-zero temperatures are common, especially at night and at higher elevations. The record low temperature is -66F (-54C). Temperatures and amount of snowfall is highly variable throughout the park.

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Because of its altitude, on average nearly 7,500 ft (2300 m) above sea level, Yellowstone has long, cold winters. Temperatures can drop below -40ºF (-40ºC) and several feet of snowfall is common throughout the park.

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Elk. Elk or wapiti (Cervus canadensis) are the most abundant large mammal found in Yellowstone; paleontological evidence confirms their continuous presence for at least 1,000 years. Yellowstone National Park was established in 1872, when market hunting of all large grazing animals was rampant.

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1. Norris Geyser Basin, Yellowstone. This tallest geyser in the world set the highest temperature ever recorded in the park. It's so far above sea level that the boiling point is 199°F rather than the sea-level 212°, but a hole drilled by scientists to 1,087 feet deep found a temperature of 459°F.

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Generally speaking, April, May and June have the most rain, or even snow; July and August are the driest and warmest months, with temperatures typically rising into the 70s and 80s.

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However, you may be surprised to learn that it does snow in Hawaii! Each year, winter storm systems cause snow to fall only in the highest elevation areas atop the islands' tallest volcanoes. These are: The Big Island's Mauna Kea and Mauna Loa; and the island of Maui's Haleakala.

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The Indian name for the Yellowstone was Burning Mountains, and it is easy to understand their superstitions. Only when they were pursued and sought refuge to save their lives would parties of Indians come into the Burning Mountains.

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