Yellowstone National Park Weather in August

August in Yellowstone National Park brings high temperatures, with daytime highs of 22°C (72°F) and nights around 3°C (37°F). The excellent weather makes it a solid choice for a visit.

Rainfall in Yellowstone National Park in August

Historically, August sees about 11 days of rain, with a monthly average of 35 mm (1.4 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Yellowstone National Park in August

The temperature in Yellowstone National Park in August is excellent. Daytime highs reach 22°C (72°F), with nights dropping to 3°C (37°F). August is typically considered a summer month. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 3°C (37°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Yellowstone National Park.