Montana Weather in August

During August, Montana experiences pleasant daytime temperatures of 19°C (66°F) and cooler nights around 7°C (45°F). As part of the summer season, expect quite a bit of rainfall. Around 141 mm (5.6 in) is typical.

Rainfall in Montana in August

On average, there are about 17 days with rain during this month, averaging 141 mm (5.6 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Montana in August

In August, Montana sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 7°C (45°F). August is known for being in the summer season. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Montana in August

The days are predominantly sunny, with an estimated total of around 248 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Montana in August

Average wind conditions reach 2 m/s (4 knots) in August. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

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