Green Bay Weather in December

What's the weather like in Green Bay (Wisconsin) in December 2024?

The climate in Green Bay during December can be summarized as cold and reasonably dry.

December is in the winter in Green Bay and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -2°C (28°F), whilst at night -11°C (12°F) is normal.

Green Bay weather averages (imperial / metric)
Daytime temperature -2.1°C 28.3°F
Nightly temperature -11°C 12.3°F
Average temperature -6.5°C 20.3°F
Daily sunshine 4 hrs
Avg rainfall 40 mm 1.6 ins
Rainy days 11 days
Sea temperature 5.1°C 41.2°F
Humidity 77%
Windspeed 17.6kph 11 mph

On average December is the 3rd driest month of the year in Green Bay with around 40mm 1.6 inches of rain making it a reasonably dry 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 4 hours of sunshine per day.

December temperatures in Green Bay

Green Bay average temperature in December

December rainfall

Green Bay average rain in December

December hourly sunshine

Green Bay average rain in December

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 Green Bay in December 2024.