Ellicott City Weather in December

What's the weather like in Ellicott City (Maryland) in December 2025?

The climate in Ellicott City during December can be summarized as cool and a little damp.

December is in the winter in Ellicott City and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 7°C (45°F), whilst at night -2°C (28°F) is normal.

Ellicott City weather averages (imperial / metric)
Daytime temperature 7.2°C 45°F
Nightly temperature -2°C 28.4°F
Average temperature 2.6°C 36.7°F
Daily sunshine 5 hrs
Avg rainfall 89 mm 3.5 ins
Rainy days 9 days
Sea temperature 5.2°C 41.4°F
Humidity 66%
Windspeed 15.5kph 10 mph

On average December is the 6th driest month of the year in Ellicott City with around 89mm 3.5 inches of rain making it a a little 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 5 hours of sunshine per day.

December temperatures in Ellicott City

Ellicott City average temperature in December

December rainfall

Ellicott City average rain in December

December hourly sunshine

Ellicott City 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 Ellicott City in December 2025.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Ellicott City weather stats

Ellicott City weather statistics
Hottest month: July 30.4°C 86.7°F
Driest month: February 77mm 3ins
Sunniest month: July 10hrs
Coldest month: January 4.4°C 39.9°F
Wettest month: May 104mm 4.1ins
Map showing location of Ellicott City (39.26733, -76.79831) Ellicott City map pin © Google

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