Cancun Weather August. August sits well into the wet season and hurricane season. The rainy season in cancun runs from may to october, which is the best time to visit cancun on a budget.
The weather in cancun in august is very warm, muggy, with average highs of 87°f (30°c) and lows of 81°f (27°c). It’s a period when the natural beauty of the region is on.