Sylvania Weather in December

What's the weather like in Sylvania (Georgia) in December 2025?

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

December is in the winter in Sylvania and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 3°C (38°F) is normal.

Sylvania weather averages (imperial / metric)
Daytime temperature 16.7°C 62.1°F
Nightly temperature 3.1°C 37.6°F
Average temperature 9.9°C 49.8°F
Daily sunshine 5.8 hrs
Avg rainfall 87 mm 3.4 ins
Rainy days 9 days
Sea temperature 20.6°C 69°F
Humidity 72%
Windspeed 12.6kph 8 mph

On average December is the 4th driest month of the year in Sylvania with around 87mm 3.4 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 5.8 hours of sunshine per day.

December temperatures in Sylvania

Sylvania average temperature in December

December rainfall

Sylvania average rain in December

December hourly sunshine

Sylvania 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 Sylvania 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

Sylvania weather stats

Sylvania weather statistics
Hottest month: July 33°C 91.4°F
Driest month: November 61mm 2.4ins
Sunniest month: April 9.3hrs
Coldest month: January 14.6°C 58.3°F
Wettest month: August 140mm 5.5ins
Map showing location of Sylvania (32.75044, -81.63678) Sylvania map pin © Google

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