Scituate Weather in August

What's the weather like in Scituate (Massachusetts) in August 2025?

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

August is in the summer in Scituate and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 17°C (62°F) is normal.

Scituate weather averages (imperial / metric)
Daytime temperature 26.6°C 79.8°F
Nightly temperature 16.9°C 62.3°F
Average temperature 21.7°C 71.1°F
Daily sunshine 9.2 hrs
Avg rainfall 89 mm 3.5 ins
Rainy days 10 days
Sea temperature 18.4°C 65.1°F
Humidity 73%
Windspeed 14.8kph 9 mph

On average August is the 4th driest month of the year in Scituate with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 hours of sunshine per day.

August temperatures in Scituate

Scituate average temperature in August

August rainfall

Scituate average rain in August

August hourly sunshine

Scituate 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 Scituate in August 2025.