Big Sky Weather in August

During August, Big Sky experiences high daytime temperatures of 23°C (73°F) and cooler nights around 6°C (43°F). As part of the summer season, some rainfall is to be expected.

Rainfall in Big Sky in August

Typically around 13 days of rainfall are expected, averaging 45 mm (1.8 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Big Sky in August

Weather in Big Sky is at its excellent in August. Highs reach 23°C (73°F), while nights settle around 6°C (43°F). August is part of summer. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Big Sky.