Yellowstone National Park weather
Our guide to the weather in Yellowstone National Park during July
We've looked at the most up-to-date weather data for Yellowstone National Park, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Yellowstone National Park weather in July.
How warm is it in Yellowstone National Park during July?
July is typically the warmest month in Yellowstone National Park. The temperature reaches around 23℃ during the daytime, falling away to 6℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Yellowstone National Park during July?
July is typically the driest month in Yellowstone National Park. On average, there will be 6 rainy days during the month, amounting to 46.3mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Yellowstone National Park during July?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in July. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.
Yellowstone National Park Blog posts
From the UK's most popular travel bloggers
Unusual places to explore by boat
9th March 2021 by Andy
Boat trips are synonymous with adventure, discovery and exciting stories - and that’s often because boats allow you to get to hard-to-reach places. Whether you’re taking a cruise ship around the world, a self-drive cruiser through a national park, a canal boat through the heart of a spectacular city - or even a rowing boat, kayak or raft to explore intricate waterways and hidden caves - there is always the promise of excitement and adventure.Just look at trips like the Kon-Tiki expedition...
Weather in Yellowstone National Park
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