Denison Weather in December

What's the weather like in Denison (Iowa) in December 2024?

The climate in Denison during December can be summarized as cold and dry.

December is in the winter in Denison and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing -1°C (31°F), whilst at night -11°C (12°F) is normal.

Denison weather averages (imperial / metric)
Daytime temperature -0.7°C 30.7°F
Nightly temperature -11.1°C 12°F
Average temperature -5.9°C 21.4°F
Daily sunshine 4.8 hrs
Avg rainfall 22 mm 0.9 ins
Rainy days 8 days
Sea temperature 9.7°C 49.4°F
Humidity 75%
Windspeed 18.4kph 11 mph

On average December is the 3rd driest month of the year in Denison with around 22mm 0.9 inches of rain making it a dry 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 4.8 hours of sunshine per day.

December temperatures in Denison

Denison average temperature in December

December rainfall

Denison average rain in December

December hourly sunshine

Denison 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 Denison in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Denison weather stats

Denison weather statistics
Hottest month: July 29.6°C 85.3°F
Driest month: January 18mm 0.7ins
Sunniest month: July 11.5hrs
Coldest month: January -2.9°C 26.8°F
Wettest month: June 115mm 4.5ins
Map showing location of Denison (42.01777, -95.35528) Denison map pin © Google

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