Cayman Islands weather in May 2026

Expect daytime maximum temperatures of 31°C in Cayman Islands in May and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 132 mm of rainfall in the month.

  • 31°C maximum daytime temperature in May in Cayman Islands (George Town)31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in Cayman Islands (George Town)11
    11 days with some rainfall
  • 24°C minimum night-time temperature in May in Cayman Islands (George Town)24
    24°C min night temperature
  • 13 hours of daylight per day in May in Cayman Islands (George Town)13
    13 hours of daylight per day
  • Very high heat & humidity in May in Cayman Islands (George Town)VH
    Very High heat & humidity
  • 132 mm monthly rainfall in May in Cayman Islands (George Town)132
    132 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Cayman Islands (George Town)11
    11+ (Extreme) UV index
  • 28°C sea temperature in May in Cayman Islands (George Town)28
    28°C sea temperature

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The May weather guide for Cayman Islands, represented by George Town, (George Town) 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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How hot is it in the Cayman Islands in May?

Daytime temperatures usually reach 31°C in George Town, Cayman Islands in May with very high heat and humidity, falling to 24°C at night.

How sunny is it in the Cayman Islands in May?

There are normally 9 hours of bright sunshine each day in George Town, Cayman Islands in May - that's 65% of daylight hours.

How warm is the sea around the Cayman Islands in May?

The average sea temperature around George Town, Cayman Islands in May is 28°C.

Does it rain in the Cayman Islands in May?

There are usually 11 days with some rain in George Town, Cayman Islands in May and the average monthly rainfall is 132mm.

What is the chance of a hurricane in the Cayman Islands in May?

On average less than 1 day in May in George Town, Cayman Islands is likely to be affected by the passage of one or more tropical storms.

Cayman Islands May sunrise & sunset times

Browse the sunrise and sunset times for Cayman Islands in May 2026. Select a month to view Cayman Islands sunrise and sunset times for the next 12 months. The Cayman Islands sunrise and sunset times shown below are for George Town.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:57 18:48
Saturday, 16th May 2026 05:50 18:54
Sunday, 31st May 2026 05:47 19:00

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