Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and Climate
Cancún, Mexico

White buildings on the white sandy beach in sharp contrast of the clear blue waters on a beach in Cancún, Mexico
White buildings on the white sandy beach in sharp contrast of the clear blue waters on a beach in Cancún, Mexico
Cancún has a tropical monsoon climate (Köppen Am), with slight variations in temperature between seasons, the wet and dry seasons are distinct. The sea provides a year-round warmth of 82.4°F (28°C) great for beach lovers. For 240 days the sun shines on average 9 hours a day - good enough to experience what the city has to offer and complete the bucket list of things to do.

December to April are the best months; rainfall is scarce with temperatures rarely hitting 86°F (30°C) during mid-day.
April is jellyfish season heed the advice of the beach's staff and take precautionary measures.
Once the summer months from May to September roll in - the average temperatures are reaching 91.4°F (33°C). The high humidity from 6.3" (160mm) of rain makes days uncomfortable. However, rains do not last long, and people from cold countries come here to enjoy the weather.
October and November are hurricane months but unlikely to happen.
Winds from the north, called el Norte, fetch cool and breezy days bringing the temperature down to 69.8°F (21°C) from November to March.

The best time to visit Cancún is during the dry months of March and April. The chance of rainfall is small with only 3 rainy days.
The mid-day afternoon weather is pleasant for outdoor activities, and the sea heat is conducive for a dive in the turquoise water.

Avoid traveling to Cancún from June until November. The wet season is underway; there is more rainfall and hurricanes are likely to hit in September, October, and November.
The temperature tip into highs of 93.2°F (34°C), moisture from the mighty rainfall creates heat and humidity to sweltering peak.

The dry season is on the move. The highs of 82.4°F (28°C) tempts people experiencing chilly months for a January getaway. Evenings cool to 69.8°F (21°C) merits long sleeves. The downpour from the 7 rainy days is short and moderate expect 8 hours of sunshine for a fun time around Cancún.
Test the heat of the blue water of 78.8°F (26°C) to rub off the humidity. Weather in January »

The temperature in February is a lovely 84.2°F (29°C) in the afternoon with much sun. T-shirts and shorts at night are not enough to fend the cool 69.8°F (21°C) during bedtime. The lesser downpour from 5 rainy days allows a vacationer to enjoy 9 hours of wonderful sunshine getting out and about with light layers on.
Beach lovers adore the sea heat of 78.8°F (26°C) spending their day lounging at the beach or having fun with water activities. Weather in February »

March in Cancun marks the start of spring and the driest month of the year with 1.4" (35.6mm) of rain. People travel to the coastline to enjoy the summer beach heat of 78.8°F (26°C). Feel the warm weather during the peak of the day with highs of 86°F (30°C).
Explore the city in casual clothes and tip-toe shoes the sun shines for 10 hours. Leave the rain protector behind it is unlikely to be caught in the 3 rainy days of the month. Visit slumberland with a cool 71.6°F (22°C) in the evening. Weather in March »

Good news to outdoor lovers the dry spell extends to April in this part of Mexico. The temperature continues to rise to 89.6°F (32°C), and the sun shines for 10 glorious hours.
The dress code is light clothing only. Keep an umbrella handy and apply sun lotion to protect the skin from the UV rays. Fret not about getting wet there are only 3 rain days with 1.6" (40.6mm) of rain.
The sea offers an 80.6°F (27°C) temperature good enough for some vitamin D. A temperate 73.4°F (23°C) makes evenings comfy. Weather in April »

May in Cancún marks the end of autumn and dry months; the wet season seeps in. Bring rain protectors as there is more rainfall compared to the summer months with 4.3" (109.2mm) of rain. Plan and don't let the weather spoil the fun. The downpour in the 7 rainy days ends as quickly as they start.
Apply sun lotion to protect the skin from the day's heat of 91.4°F (33°C) and relish 11 hours of beautiful sunshine. The sea provides 82.4°F (28°C) of warmth which is not exceptionally cooling but still good for making the most out of the trip. Weather in May »

Don't be put off by the 12 days of a shower and a rain index of 7.3" (185.4mm) because the flora in Cancún is gorgeously verdant and green. Let the cool breeze touch the skin from winds traveling at 25.2mph (40.6km/h). Make the most from outdoor activities with 10 hours of wonderful sunshine.
Avoid the mid-day temperature of 91.4°F (33°C) in a local cantina sipping a cold bottle of cerveza.
The sea offers an inviting 82.4°F (28°C) for a dive to get rid of the warmth and tacky feeling from the body. Travel is not complete without a visit to the beach. A working air-conditioning system ward off the warm 77°F (25°C) for a sound sleep. Weather in June »

The heat is on as summer hit its stride. The highs of 91.4°F (33°C) give a lot of heat perfect for sun lovers. Bring along sun cream to protect the skin from the extreme UV levels.
Sea temperature is 82.4°F (28°C), a welcome relief for those who want to escape from the scorching heat and high humidity. The 11 hours of daylight is more than enough to visit famous sites and explore the surrounding. Get a reprieve from the boiling heat with a wind breeze of 25.2mph (40.6km/h). Weather in July »

August is the hottest month of the year and tips the scale at 93.2°F (34°C). At nighttime, the minimal clothing is needed. There are 5.9" (149.9mm) of rain from 13 days of a downpour; the humidity level is at the peak of 100%.
Escape from the humidity and catch some waves, with the sea is at 84.2°F (29°C) interact with turtles and other marine life. Spend 11 hours of daylight at the coastline spotting giant whale sharks as they glide on the water. Weather in August »

The power of the sun brings in a scorching 91.4°F (33°C) of heat. Moreover, the 14 days of a heavy downpour produces 13.9" (353.1mm) of rain creating a hot and damp atmosphere. However, the sea temperature of 84.2°F (29°C) brings relief to a tacky feeling from the excessive moisture.
Take advantage of the 9 hours of sunshine by partaking in vibrant cultural events. Enjoy a stroll, a wind breeze of 10.8mph (17.4km/h) is very refreshing. Weather in September »

After the blazing summer months, things start to cool down to 87.8°F (31°C) with the autumn month of October. The second wettest month of the year the precipitation drops to 7.3" (185.4mm) from 13 days of rain. Get plenty of sun from 8 hours of daytime sightseeing ancient Mayan ruins with less sweat from 10.8mph (17.4km/h) of wind.
Test the waters of 84.2°F (29°C) for a relaxing swim to remove the sticky feeling from the high humidity. Weather in October »

Perhaps the only thing stopping the November Cancún vacation is the threat of a hurricane, travel advisories give warnings if there is one.
November is a good time to visit temperature peaks at 86°F (30°C) in mid-day. Devote 8 hours of sunshine immersing in a different culture find out how Mexicans spend All Soul's Day or Day of the Dead. Wear warm clothes during nights out el Nitro make evenings cold at 73.4°F (23°C).
Ocean temperature is 82.4°F (28°C) good for some underwater adventure. Weather in November »

The climate is just warming up or better still cooling down. The highs of 82.4°F (28°C) complements the wonderful and enjoyable evenings at 69.8°F (21°C). Low temperatures make the body feel cool, fresh, and less sweaty with a rain index of 3.1" (78.7mm). Experience what Cancun offers with 8 hours of sunshine.
Spending Christmas on the beach is not a bad idea with the warmth of the sea at 80.6°F (27°C). Weather in December »

Best months for swimming (with the highest average sea temperature) are July, August, September and October (29°C).
Coldest months (with the lowest average sea temperature) are January, February and March (26°C).