Jackson Hole Weather

Jackson Hole Weather 

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Jackson Hole weather is, to put it bluntly, highly variable. Situated at around 5,000 ft. above sea level, but with valleys and mountain ranges that dip and soar, there are scads of factors to consider when talking about western Wyoming’s climate. Throw the four seasons into the mix, and trying to predict Jackson Hole’s weather with exactitude is borderline impossible. 

Nevertheless, there are some general trends. For starters, you’ll find huge temperature swings during the summer months. From June through September, don’t be surprised to witness daytime highs and lows that are 30-to-40-degrees apart! For instance, July is the hottest month, with an average high just beyond 80 degrees; nevertheless, overnight lows dip into the low-40s and even down into the 30s. So, unless you’re acclimated to cold temperatures, make sure you bring your long johns with you to sleep in! As you can see, Jackson Hole weather is a mixed bag.

Furthermore, on average, fall is warmer than spring in Jackson Hole. While September, October, and November highs are around 70, 60, and 40 degrees Fahrenheit, respectively, March, April, and May high temps hover near 40, 50, and 60 degrees. That’s about a 10-degree difference per month. Nights, by contrast, are consistent—consistently cold! Based on what we’ve already said about the summer months, that shouldn’t come as any surprise, but don’t be surprised to see fall and spring lows in the teens and single digits. Accordingly, Jackson Hole receives a fair bit of snow in those seasons, particularly at higher elevations. 

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Finally, winters in Jackson Hole are nothing short of chilling and snowy. Daytime highs from December through February are below freezing, and lows drop into the low single-digits, with subzero temperatures a real possibility. In terms of snow, you’re looking at 30-to-50 inches per month, which is one of the reasons Jackson Hole is such a great skiing destination. 

Of course, as we said earlier, matters get complicated once you account for the radical topographical variation that characterize the region. For instance, whereas most expect temperatures to drop as one moves to higher altitudes, the opposite is true during Jackson Hole winters. What we mean is that, once you go onto a mountain a couple thousand feet above the valley floor, you’ll discover a climate that’s considerably warmer—10- or 20-degrees, in fact. 

During these times of year, as a result of the shifting weather patterns, you’ll find that Jackson Hole will look very different from season-to-season. During the winter, you’ll experience perfect skiing, snowshoeing, and snowboarding conditions, whether in the valley or in the mountains. Accumulations in those areas can range consistently between two- and ten-feet. In spring, things begin to thaw, resulting in lots of melt water and blooming wildflowers in the valley. 

In the summer, along with the warm days and chilly nights, fast-moving but severe thunderstorms move into the region frequently. Plus, the still-snowy mountains finally give way to their own set of gorgeous wildflowers. Finally, as temperatures begin to cool again in the fall, you’ll watch as Jackson Hole’s aspens and cottonwoods explode into color, from green, to various shades of red and yellow. 

That, in a nutshell, is what Jackson Hole looks like during various times of the year. So get familiar with these weather patterns and try to prepare the best you can, but don’t beat yourself up if things change on you. After all, abrupt change is normal when you’re in Jackson Hole.

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