For many travelers, Disney World in the summer is intensely hot and humid, with average daytime temperatures in July and August frequently reaching 90°F–95°F (32°C–35°C) and a "Heat Index" that can exceed 105°F. The high humidity in Central Florida makes the air feel heavy and prevents sweat from evaporating effectively, leading to rapid exhaustion if you aren't careful. Additionally, summer in Florida is the rainy season, meaning daily afternoon thunderstorms are almost guaranteed; while they provide temporary cooling, they often leave the parks even more humid afterward. To survive a summer visit, you must prioritize "indoor" attractions with air conditioning during the 1:00 PM to 4:00 PM peak, stay hydrated with free ice water from quick-service locations, and utilize the early morning "Rope Drop" or late-night "After Hours" events when the sun is less intense. If you or your children are sensitive to heat, the "too hot" threshold is very real, and visiting during the cooler months of November through March may provide a significantly more comfortable and magical experience.