The climate in Cozumel during December can be summarized as hot, humid and damp.
December is in the winter in Cozumel and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 20°C (68°F) is normal.
|Daytime temperature||28.7°C 83.6°F|
|Nightly temperature||20.2°C 68.3°F|
|Average temperature||24.4°C 75.9°F|
|Daily sunshine||6.7 hrs|
|Avg rainfall||107 mm 4.2 ins|
|Rainy days||9 days|
|Sea temperature||27.2°C 80.9°F|
|Windspeed||11.9kph 7 mph|
On average December is the 5th driest month of the year in Cozumel with around 107mm 4.2 inches of rain making it a 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 6.7 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 December 2019.
|Hottest month:||August||32.5°C 90.5°F|
|Driest month:||March||40mm 1.6ins|
|Coldest month:||January||28.2°C 82.8°F|
|Wettest month:||September||242mm 9.5ins|