Great Falls Weather in August

What's the weather like in Great Falls (Montana) in August 2024?

The climate in Great Falls during August can be summarized as warm and reasonably dry.

August is in the summer in Great Falls and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 11°C (52°F) is normal.

Great Falls weather averages (imperial / metric)
Daytime temperature 27.8°C 82°F
Nightly temperature 11.1°C 51.9°F
Average temperature 19.4°C 66.9°F
Daily sunshine 11.5 hrs
Avg rainfall 36 mm 1.4 ins
Rainy days 8 days
Sea temperature 14°C 57.2°F
Humidity 47%
Windspeed 15.8kph 10 mph

On average August is the 3rd wettest month of the year in Great Falls with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.5 hours of sunshine per day.

August temperatures in Great Falls

Great Falls average temperature in August

August rainfall

Great Falls average rain in August

August hourly sunshine

Great Falls average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Great Falls in August 2024.