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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Public Report weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Cancún before finalising plans — the city’s tropical climate can change quickly, especially during the rainy season. Temperatures stay warm year-round, but rainfall and humidity vary significantly between months.
What is the typical weather in Cancún?
Cancún has a tropical wet-and-dry climate. Daytime highs range from 28–34°C throughout the year, with the warmest period from May to September. Night-time lows rarely drop below 19°C. Rainfall is highest from June to October, peaking in September with about 200mm. The driest months are March and April, each averaging under 30mm. Humidity is high most months, often above 75%.
For a closer look at how Cancún compares to other popular warm-weather destinations, see our Marrakech weather page or the Barcelona weather page.
When is the best time to visit Cancún?
The most comfortable period is November to April, when humidity is lower and rainfall is minimal. December is a peak tourist month — check cancun weather december averages if you plan a Christmas trip. For longer-range planning, a cancun weather forecast 30 day or cancun weather forecast 15 day can give a useful trend, though confidence decreases beyond 10 days. The cancun weather bbc forecast and the Met Office both provide reliable 14-day outlooks. If you need a cancun weather 14 day view, compare cancun weather forecast 21 day and cancun weather forecast 15 day data for a fuller picture. For monthly averages, a cancún weather monthly chart shows peak heat and rain windows.
Is Cancún humid in December?
Yes, humidity in December averages around 75%, which is lower than the summer months. The combination of 28°C highs and moderate humidity makes it feel warm but not oppressive — one reason it’s a popular winter escape.
How accurate are 14-day forecasts for Cancún?
14-day forecasts (including cancun weather 14 day and cancun weather forecast 15 day) have limited accuracy for specific days but can show general trends. For reliable daily planning, use the live forecast above and check cancun weather bbc or the Met Office near your travel date.
What should I pack for Cancún?
Light cotton clothing, swimwear, high-SPF sunscreen, a hat, and an umbrella or light rain jacket if visiting between June and October. Even in December, a light jumper may be needed for air-conditioned spaces or evening breezes.
Sources
For UK weather comparisons, visit our UK weather hub or see the 10 Day Weather Forecast UK.