Yellowstone weather in August
Mild and comfortable, with occasional showers. Average highs of 20°C and lows of 8°C, with around 9 rainy days expected throughout the month.
While August isn't our top-rated month for Yellowstone, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
20°C
Average low
8°C
Rainy days
9 days
Best months to visit
July
What to do in Yellowstone in August
Whatever the weather, Yellowstone rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for August
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
-6C
Cold, with some rainy days.
February
-6C
Cold, with some rainy days.
March
-1C
Cold, with some rainy days.
April
2C
Cold, with some rainy days.
May
8C
Cold, with some rainy days.
June
15C
Cool, with some rainy days.
Recommended
July
22C
Mild and comfortable, with occasional showers.
August (you are here)
20C
Mild and comfortable, with occasional showers.
September
15C
Cool, with occasional showers.
October
7C
Cold, with some rainy days.
November
-1C
Cold, with some rainy days.
December
-6C
Cold, with some rainy days.
Book your August trip to Yellowstone
Find hotels, tours and experiences for the perfect escape.
