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

Climate at a glance

The big-picture stats that matter for planning your visit to Cancun.

Typical range

High / low

Average highs up to 30.1°C and lows down to 22.0°C.

Rain pattern

Wettest month

September averages 202 mm.

UV

Typical peak band

Typical peak UV is Very High.

Daylight

Seasonal range

Roughly 11 hrs to 13 hrs.

Wind

Typical strength

Average around 14 km/h, peaking in March.

Humidity

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

Next steps

Dive deeper into rankings, month details, or packing guidance.

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.

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?

The driest month is usually March, with around 33 mm (1.3 in) of rain. In contrast, September is the wettest month, so that’s when you’re most likely to need a raincoat or umbrella.

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.

Explore more