Yellowstone National Park
storm rolling in over endless forest and meadows
Weather
 
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Yellowstone National Park is at the extremes in terms of weather. It can snow any time of the year. Always bring a pair of warm clothes and rain gear in the summer. Night time temps will be much cooler than day time temps, as opposed to the hot muggy nights at lower elevations in the eastern U.S.

The average elevation in Yellowstone is around seven thousand feet. This means that it will be colder than other places when it's cold, and that you are closer to the rays of the sun, increasing chances of sun burn. Keeping hydrated in the high mountain west is essential. Dehydration can make you feel "off" for an entire trip, or even send you to the hospital for an IV. Make sure you are consuming plenty of fluids.

If tent camping, a good sleeping bag is essential. I recommend a +40 degree bag for the summer (mid June to mid August), and a +20 down bag for late August to November, and for April to early June. It can snow any time in Yellowstone, so always bring a hat, gloves and long underwear if tent camping. Being prepared will save you from an uncomfortable trip. Yellowstone is best enjoyed in comfort, as is anything else. Don't let the weather ruin your trip. Part of the park splendor is the outrageous weather you can encounter at all times of year. It's a force of nature than can cause awe and command respect.

 

Click for Forecast for Cooke City, Montana from weatherUSA.net

Click for Forecast for West Yellowstone, Montana from weatherUSA.net


Avg max high/low temp:

January: High 28.6, low 9.6
July: High 79.6, low 46.7
September: High 67.8, low 37

 

 

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