Saint Johns Weather in August

What's the weather like in Saint Johns (Michigan) in August 2024?

The climate in Saint Johns during August can be summarized as warm, humid and a little damp.

August is in the summer in Saint Johns and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 14°C (57°F) is normal.

Saint Johns weather averages (imperial / metric)
Daytime temperature 26.8°C 80.2°F
Nightly temperature 13.8°C 56.8°F
Average temperature 20.3°C 68.5°F
Daily sunshine 9.5 hrs
Avg rainfall 86 mm 3.4 ins
Rainy days 9 days
Sea temperature 21°C 69.9°F
Humidity 74%
Windspeed 12.6kph 8 mph

On average August is the 2nd wettest month of the year in Saint Johns with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.5 hours of sunshine per day.

August temperatures in Saint Johns

Saint Johns average temperature in August

August rainfall

Saint Johns average rain in August

August hourly sunshine

Saint Johns 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 Saint Johns in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Saint Johns weather stats

Saint Johns weather statistics
Hottest month: July 28.1°C 82.6°F
Driest month: February 35mm 1.4ins
Sunniest month: July 10.9hrs
Coldest month: January -2.3°C 27.9°F
Wettest month: September 87mm 3.4ins
Map showing location of Saint Johns (43.00114, -84.55915) Saint Johns map pin © Google

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