The climate in Saint George's during December can be summarized as hot, humid and wet.
December is in the winter in Saint George's and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 21°C (70°F) is normal.
|Daytime temperature||28.9°C 83.9°F|
|Nightly temperature||21.4°C 70.4°F|
|Average temperature||25.1°C 77.2°F|
|Daily sunshine||7.9 hrs|
|Avg rainfall||138 mm 5.4 ins|
|Rainy days||18 days|
|Sea temperature||27.7°C 81.8°F|
|Windspeed||10.4kph 7 mph|
On average December is the 6th driest month of the year in Saint George's with around 138mm 5.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 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 Saint George's in December 2023.
|Hottest month:||May||30.1°C 86.2°F|
|Driest month:||February||57mm 2.2ins|
|Coldest month:||January||28.4°C 83.1°F|
|Wettest month:||October||207mm 8.1ins|