December – April:

• Mostly dry with some Nortes (high winds).
• Prices for attractions are more expensive and crowds are larger.
• Tourism slows in April and can be an excellent month to visit. However, sargassum blooms can sometimes still be a problem as early as April. 

July – August: 

• Very hot & humid.
• Area sees more vacationing Mexicans because its cooler along the Riviera Maya than inland Mexico.
• Heavy sargassum on beaches in July and usually August.
• Hurricanes can happen in July and August.

May – June & September – November:

• September – November are cooler weather.
• Hurricane season officially starts in June, but severe hurricanes are most common in late summer.
• Hurricane season officially ends in December.
• Prices for attractions are cheaper and crowds are smaller.
• June can be bad for sargassum on beaches.
• October & November are great months to visit for lower prices, smaller crowds and favourable weather.
• September and October are good months to witness turtle hatching.