Cancun & Riviera Maya Climate Guide

Monthly climate averages and sargassum patterns for Riviera Maya beaches

Data based on historical averages

Note: Climate data shows historical monthly averages for the Riviera Maya region. Sargassum levels vary significantly by location - Isla Mujeres typically has much less sargassum than mainland beaches.

Riviera Maya Climate Averages

Average Monthly Temperature

High Temperature
Low Temperature

Average Monthly Rainfall

UV Index & Water Temperature

UV Index
Water Temperature

Sargassum Patterns: Mainland vs Isla Mujeres

Sargassum Comparison: Mainland vs Isla Mujeres

Mainland Beaches (Cancun, Playa del Carmen, Tulum)
Isla Mujeres
Location Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sargassum Level Legend

Clear - No sargassum present
Light - Minimal impact
Moderate - Noticeable presence
Heavy - Significant accumulation

Key Insights

Climate Patterns

  • Dry Season (Dec-Apr): Perfect beach weather with minimal rainfall
  • Rainy Season (May-Nov): Higher humidity with afternoon showers
  • Warm Year-Round: Average temperatures between 72-85°F
  • Warm Waters: Caribbean Sea stays comfortable year-round

Sargassum Insights

Best Beach Months (Dec-Apr)

Minimal sargassum across all locations, perfect beach conditions

Isla Mujeres Advantage

Significantly less sargassum year-round due to geographic position

Peak Sargassum (Jul-Sep)

Mainland beaches experience heavy accumulation during these months

For Hotels & Tourism Businesses

Use our climate and sargassum data to help guests plan their perfect vacation and manage expectations.

Seasonal Planning

Adjust pricing and promotions based on sargassum patterns.

Guest Communication

Provide accurate expectations about beach conditions.

Alternative Activities

Highlight pool facilities and inland excursions during peak season.