Chetumal weather in May 2026

Expect daytime maximum temperatures of 90°F in Chetumal, Mexico 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 3.4 inches of rainfall in the month.

  • 90°F maximum daytime temperature in May in Chetumal90
    90°F max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in May in Chetumal6
    6 days with some rainfall
  • 73°F minimum night-time temperature in May in Chetumal73
    73°F min night temperature
  • 13 hours of daylight per day in May in Chetumal13
    13 hours of daylight per day
  • Very high heat & humidity in May in ChetumalVH
    Very High heat & humidity
  • 3.4 inches monthly rainfall in May in Chetumal3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Chetumal11
    11+ (Extreme) UV index
  • 82°F sea temperature in May in Chetumal82
    82°F sea temperature

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The May weather guide for Mexico (Chetumal) 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)  |  Imperial (°F)

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How hot is it in Chetumal in May?

Daytime temperatures usually reach 90°F in Chetumal in May with very high heat and humidity, falling to 73°F at night.

How sunny is it in Chetumal in May?

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

How warm is the sea around Chetumal in May?

The average sea temperature around Chetumal in May is 82°F.

Does it rain in Chetumal in May?

There are usually 6 days with some rain in Chetumal in May and the average monthly rainfall is 3.4 inches.

Chetumal May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:26 18:15
Saturday, 16th May 2026 05:19 18:20
Sunday, 31st May 2026 05:16 18:26

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