This post will give you an idea of what kind of weather to expect in Miami during the first month of the year. January is a great time to visit Miami, with comfortable afternoons, ample sunshine and cool nights.
Daytime high temperatures will most likely be in the mid-70s F (about 25 C) throughout the month, however, a few of the warmer days can reach up into the lower 80s F (about 28 C). The record high temperature for Miami during January is 88F (31.1 C).
Late night and early morning temperatures will be on the cool side, averaging in the lower 60s F (16-17 C) with a few of the colder mornings dipping down to near 50 F (10C).
Temperatures at or below freezing (32F/0C) are very rare, however, the record low temperature for Miami during January is 30 F ( -1.1C ).
Clouds and Rain
Clear or at least partly sunny skies can be expected in Miami during January on about 20-22 days with some rain possible on 7 days, however, only 1 day this month will likely record 0.5 inches (13 mm) or more rainfall.
Hours of Daylight
There will be about 10.5 hours of daylight on New Year's Day increasing to nearly 11 hours by the end of the month.
Wind and Ocean
During January, the wind in Miami is mostly gentle to moderate (8-18mph/12-28 kph) but can be briefly fresh at times (19-24 mph/29-38 kph). If you are headed for the beach, ocean temperatures will most likely be around 76-77F (about 25 C).