weather in december in miami
Nearly every December day warms to over 70 Â°F (21 Â°C) in Miami. Temperatures above 90 Â°F (32 Â°C) are not expected here this month. The thermometer dips to 50 Â°F (10 Â°C) or below on an average of three nights. About once a decade December does get as cold as 32 Â°F (0 Â°C).