Johnstown Weather in August

What's the weather like in Johnstown (Pennsylvania) in August 2024?

The climate in Johnstown during August can be summarized as warm, humid and damp.

August is in the summer in Johnstown and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 14°C (58°F) is normal.

Johnstown weather averages (imperial / metric)
Daytime temperature 27.6°C 81.6°F
Nightly temperature 14.3°C 57.7°F
Average temperature 20.9°C 69.6°F
Daily sunshine 8 hrs
Avg rainfall 101 mm 4 ins
Rainy days 11 days
Sea temperature 23.3°C 74°F
Humidity 76%
Windspeed 11.2kph 7 mph

On average August is the 5th wettest month of the year in Johnstown with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8 hours of sunshine per day.

August temperatures in Johnstown

Johnstown average temperature in August

August rainfall

Johnstown average rain in August

August hourly sunshine

Johnstown 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 Johnstown in August 2024.