Old Greenwich Weather in October

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

The climate in Old Greenwich during October can be summarized as mild and a little damp.

October is in the fall / autumn in Old Greenwich and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 5°C (41°F) is normal.

Old Greenwich weather averages (imperial / metric)
Daytime temperature 17.7°C 63.9°F
Nightly temperature 5.1°C 41.2°F
Average temperature 11.4°C 52.5°F
Daily sunshine 7.3 hrs
Avg rainfall 99 mm 3.9 ins
Rainy days 8 days
Sea temperature 16.1°C 61.1°F
Humidity 69%
Windspeed 17.3kph 11 mph

On average October is the 3rd driest month of the year in Old Greenwich with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.3 hours of sunshine per day.

October temperatures in Old Greenwich

Old Greenwich average temperature in October

October rainfall

Old Greenwich average rain in October

October hourly sunshine

Old Greenwich average rain in October

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 October 2024.