Temperature range
Typical highs and lows
High30.1°C
Low22.0°C
The broad yearly range between warm daytime highs and the coolest overnight lows.
Mexico 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.
Trip planning
Plan your trip
Find the best dates. Understand the conditions. Pack with confidence.
Climate overview
Climate at a glance
The big-picture stats that matter for planning your visit to Cancun.
Rain pattern
Wettest point of the year
202 mm
September carries the highest typical rainfall load.
Sun exposure
Typical peak UV band
Very High (8.2)
A fast read on how strong midday sun typically gets across the year.
Daylight window
Seasonal daylight range
11 hrsto13 hrs
Useful for gauging how much sightseeing time you get in shorter versus longer seasons.
Wind profile
Typical breeze strength
14 km/h
March is typically the breeziest month.
Humidity
Typical moisture range
72 %to83 %
A quick signal for how dry, comfortable, or heavy the air tends to feel.
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.
HOTTEST (AVG)
in Mexico
#1 / 2
COOLEST (AVG)
in Mexico
#2 / 2
WETTEST (TOTAL)
in Mexico
#1 / 2
WINDIEST (AVG)
in Mexico
#1 / 2
HIGHEST UV
in Mexico
#2 / 2
MOST HUMID
in Mexico
#1 / 2
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.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
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.