Cancún, Mexico
Cancún experiences a tropical climate, where average temperatures vary from a low of 25°C / 78°F in January to a high of 30°C / 86°F in August.
Rainfall averages about 101 mm / 4 inches per month, with the wettest conditions in September (202 mm / 8 inches) and the driest in March (33 mm / 1.3 inches).
The UV index ranges from 6 in December to 9 in May, so strong sun protection is essential during summer months.
Daylight hours range from about 10.9 hours in December to 13.4 hours in June.
Each season in Cancún brings unique weather patterns, allowing visitors to choose the experience that suits them best.
Today's forecast
Plan your trip
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Climate at a glance
The big-picture stats that matter for planning your visit to Cancun.
High / low
Average highs up to 30.1°C and lows down to 22.0°C.
Wettest month
September averages 202 mm.
Typical peak band
Typical peak UV is Very High.
Seasonal range
Roughly 11 hrs to 13 hrs.
Typical strength
Average around 14 km/h, peaking in March.
Typical range
Generally 72 % to 83 %.
When should I go?
Our top-rated months for visiting Cancún, based on long-term weather comfort and conditions
Typical weather by month
Compare all monthsTip: click on a card to see detailed daily weather averages for that month.
How Cancún compares
See how it ranks against the rest of Mexico for key metrics.
Short term outlook
Visiting soon? Here's the next 7 days of weather for Cancun, or see an hourly breakdown for the next 14 days.
Frequently asked questions
How does the weather in Cancún feel over the year?
Across the year, daytime highs average about 28°C (82°F), with nights near 24°C (75°F). Overall it feels hot by day and warm after dark. You may notice some humidity at times. Daylight is fairly typical, with enough time for sightseeing. Expect a mix of sun and cloud across the year.
When is the best time to visit Cancún for dry weather?
When is sun exposure strongest in Cancún?
UV tends to peak in May, when UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is Cancún humid?
It can feel humid, especially in the warmer months, when humidity can climb to around 83%. Light, breathable fabrics help a lot on muggy days.
Is Cancún a windy place?
Across the year, average winds sit around 14 km/h (9 mph), with gusts on windier days up to about 54 km/h (34 mph). Overall it is it can feel quite windy at times, particularly when weather systems move through.
How much daylight does Cancún get?
On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.