Old Greenwich Weather in August

What's the weather like in Old Greenwich (Connecticut) in August 2024?

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

August is in the summer in Old Greenwich and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (60°F) is normal.

Old Greenwich weather averages (imperial / metric)
Daytime temperature 27.8°C 82°F
Nightly temperature 15.5°C 59.8°F
Average temperature 21.6°C 70.9°F
Daily sunshine 9.1 hrs
Avg rainfall 118 mm 4.6 ins
Rainy days 9 days
Sea temperature 22.1°C 71.8°F
Humidity 71%
Windspeed 15.5kph 10 mph

On average August is the 4th wettest month of the year in Old Greenwich with around 118mm 4.6 inches of rain making it a 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 9.1 hours of sunshine per day.

August temperatures in Old Greenwich

Old Greenwich average temperature in August

August rainfall

Old Greenwich average rain in August

August hourly sunshine

Old Greenwich 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 Old Greenwich in August 2024.