Right now, Florida is having unseasonably cold weather. They are even worried about the orange crops. So, the below info may not be 100% accurate for this year ...
I found the below information from the WDW website (link
HERE):
Q.What will the weather be like during my Walt Disney World® Resort vacation?
A. Although we cannot tell you exactly what weather to expect during your vacation, here are the average high/low temperatures, followed by the average rainfall in inches for the Orlando, Florida area during the three-month periods indicated:
January - March 74/51ºF 2.1 in.
April - June* 88/66ºF 2.7 in.
July - September* 91/73ºF 3 in.
October - December 78/58ºF 3 in.
* The summer months generally have high humidity.

We arrive on
January 31st. I am packing for warm weather during the day and cooler evenings. Meaning, shorts and hoodies.

Jennifer