Cancun weather in May 2026

Expect daytime maximum temperatures of 32°C in Cancun, Mexico's Caribbean Coast in May and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 109 mm of rainfall in the month.

  • 32°C maximum daytime temperature in May in Cancun32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in May in Cancun7
    7 days with some rainfall
  • 22°C minimum night-time temperature in May in Cancun22
    22°C min night temperature
  • 13 hours of daylight per day in May in Cancun13
    13 hours of daylight per day
  • Very high heat & humidity in May in CancunVH
    Very High heat & humidity
  • 109 mm monthly rainfall in May in Cancun109
    109 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Cancun11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in Cancun27
    27°C sea temperature

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The May weather guide for Mexico's Caribbean Coast (Cancun) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Mexico's Caribbean Coast

How hot is it in Cancun in May?

Daytime temperatures usually reach 32°C in Cancun in May with very high heat and humidity, falling to 22°C at night.

How sunny is it in Cancun in May?

There are normally 8 hours of bright sunshine each day in Cancun in May - that's 61% of daylight hours.

How warm is the sea around Cancun in May?

The average sea temperature around Cancun in May is 27°C.

Does it rain in Cancun in May?

There are usually 7 days with some rain in Cancun in May and the average monthly rainfall is 109mm.

Cancun May sunrise & sunset times

Browse the sunrise and sunset times for Cancun in May 2026. Select a month to view Cancun sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 06:17 19:12
Saturday, 16th May 2026 06:09 19:19
Sunday, 31st May 2026 06:05 19:25

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