December Weather in Kissimmee, FL
Typical weather conditions during December
Temperature
Average Temperature
64°F
Average High
72°F
Average Low
57°F
Precipitation & Humidity
Average Monthly Precipitation
2.55 inches
Rainy Days
13.0 days
Average Humidity
71%
Data Information
Data Years: 2020 - 2024
Last Updated: September 10, 2025