The climate in Manhattan during December can be summarized as cool and a little damp.
December is in the winter in Manhattan and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 6°C (42°F), whilst at night -1°C (31°F) is normal.
|Daytime temperature||5.7°C 42.2°F|
|Nightly temperature||-0.9°C 30.5°F|
|Average temperature||2.4°C 36.3°F|
|Daily sunshine||5 hrs|
|Avg rainfall||95 mm 3.7 ins|
|Rainy days||11 days|
|Sea temperature||9.6°C 49.2°F|
|Windspeed||20.9kph 13 mph|
On average December is the 6th driest month of the year in Manhattan with around 95mm 3.7 inches of rain making it a a little 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 5 hours of sunshine per day.
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 Manhattan in December 2023.
|Hottest month:||July||28.7°C 83.7°F|
|Driest month:||February||79mm 3.1ins|
|Coldest month:||January||2.6°C 36.7°F|
|Wettest month:||July||104mm 4.1ins|