Cayo Guillermo weather in October 2025

Expect 88°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cayo Guillermo in October. Check more long-term weather averages for Cayo Guillermo in October before you book your next holiday to Cuba in 2025/2026.

  • 88°F maximum daytime temperature in October in Cayo Guillermo88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in October in Cayo Guillermo16
    16 days with some rainfall
  • 72°F minimum night-time temperature in October in Cayo Guillermo72
    72°F min night temperature
  • 12 hours of daylight per day in October in Cayo Guillermo12
    12 hours of daylight per day
  • High heat & humidity in October in Cayo GuillermoH
    High heat & humidity
  • 7.2 inches monthly rainfall in October in Cayo Guillermo7.2
    7.2 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in October in Cayo Guillermo9
    9 (Very High) UV index
  • 82°F sea temperature in October in Cayo Guillermo82
    82°F sea temperature

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Cayo Guillermo by month

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The October weather guide for Cuba (Cayo Guillermo) 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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More about Cuba

How hot is it in Cayo Guillermo in October?

Daytime temperatures usually reach 88°F in Cayo Guillermo in October with high heat and humidity, falling to 72°F at night.

How sunny is it in Cayo Guillermo in October?

There are normally 7 hours of bright sunshine each day in Cayo Guillermo in October - that's 59% of daylight hours.

How warm is the sea around Cayo Guillermo in October?

The average sea temperature around Cayo Guillermo in October is 82°F.

Does it rain in Cayo Guillermo in October?

There are usually 16 days with some rain in Cayo Guillermo in October and the average monthly rainfall is 7.2 inches.

What is the chance of a hurricane in Cayo Guillermo in October?

On average less than 1 day in October in Cayo Guillermo is likely to be affected by the passage of one or more tropical storms.

Cayo Guillermo October sunrise & sunset times

Browse the sunrise and sunset times for Cayo Guillermo in October 2025. Select a month to view Cayo Guillermo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:06 18:02
Thursday, 16th October 2025 06:12 17:48
Friday, 31st October 2025 06:19 17:37

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