Temperature
Pleasant by day, cold at night.
71°Ftypical Aug high
Typical range
Yellowstone National Park
United States · North America
Yellowstone National Park is most comfortable during summer. Summers are mild and winters are cold. Humidity is usually low.
Best time to go
12 mo · Typical year
Temperature range
11°F to 72°F
Rain
14 days/mo
Sunshine
9.9 h/day
Humidity feel
Generally dry
When to visit
Month-by-month fit
Precipitation
Rainfall is lower than usual here.
32%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
Very sunny skies.
12.7 hAug sunshine
Heat & humidity by month
Humidity is rarely noticeable.
Very dryAug heat feel
Easy airWarm air
Hourly comfort pattern
In August, afternoons feel about 59° and nights feel near 42°.
FrigidFreezingVery coldColdCoolNight shading
More detailIncludes sky, daypart comfort, and wind
Cloud cover
Predominantly clear skies.
63%Aug clear sky
ClearCloud cover
Typical August day
August late afternoons are around 67°F, easing to about 62°F in early evening.
Avg temp Typical range
Morning57°F
Rain8%
Cloud32%
Humid airLow
Sun intensityModerate
Best windowMidday64°F
Rain14%
Cloud42%
Humid airLow
Sun intensityStrong
Late afternoon67°F
Rain20%
Cloud52%
Humid airLow
Sun intensityStrong
Early evening62°F
Rain16%
Cloud44%
Humid airLow
Sun intensityLow
Wind pattern
Calm winds are typical in August.
6 mphAug Calm
Typical wind speed (mph)
Similar
Similar things to doGlacier National ParkUnited StatesSimilar things to doAnchorageUnited StatesSimilar things to doJackson HoleUnited StatesSimilar things to doHunza ValleyPakistan
Want a side-by-side climate view? Compare Yellowstone National Park with Glacier National Park.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology