Orlando Fl Weather December 2025. Get the monthly weather forecast for orlando, fl, including daily high/low, historical averages, to help you plan ahead. December weather in orlando shows a further decline in temperatures, signaling the onset of winter, on the path from 56.5°f (13.6°c) to 72.1°f (22.3°c).

December weather in orlando florida, united states. Daily high temperatures decrease by 4°f, from 75°f to 71°f, rarely falling below 59°f or exceeding 82°f.