Lewistown Weather in August

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

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

August is in the summer in Lewistown and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (81°F), whilst at night 10°C (50°F) is normal.

Lewistown weather averages (imperial / metric)
Daytime temperature 27.3°C 81.1°F
Nightly temperature 9.7°C 49.5°F
Average temperature 18.5°C 65.3°F
Daily sunshine 11.7 hrs
Avg rainfall 45 mm 1.8 ins
Rainy days 7 days
Sea temperature 14.2°C 57.6°F
Humidity 47%
Windspeed 16.2kph 10 mph

On average August is the 3rd wettest month of the year in Lewistown with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.7 hours of sunshine per day.

August temperatures in Lewistown

Lewistown average temperature in August

August rainfall

Lewistown average rain in August

August hourly sunshine

Lewistown 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 Lewistown in August 2024.