Marco Island weather in May 2023

  • 30°C maximum daytime temperature in May in Marco Island30
    30°C max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in May in Marco Island8
    8 days with some rainfall
  • 20°C minimum night-time temperature in May in Marco Island20
    20°C min night temperature
  • 13 hours of daylight per day in May in Marco Island13
    13 hours of daylight per day
  • High heat & humidity in May in Marco IslandH
    High heat & humidity
  • 103 mm monthly rainfall in May in Marco Island103
    103 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Marco Island11
    11 (Extreme) UV index
  • 27°C sea temperature in May in Marco Island27
    27°C sea temperature

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The May weather guide for Florida (Marco Island) 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.

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

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More about Florida

How hot is it in Marco Island in May?

Daytime temperatures usually reach 30°C in Marco Island in May with high heat and humidity, falling to 20°C at night.

How sunny is it in Marco Island in May?

There are normally 10 hours of bright sunshine each day in Marco Island in May - that's 77% of daylight hours.

How warm is the sea around Marco Island in May?

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

Does it rain in Marco Island in May?

There are usually 8 days with some rain in Marco Island in May and the average monthly rainfall is 103mm.

Marco Island May sunrise & sunset times

Browse the sunrise and sunset times for Marco Island in May 2023. Select a month to view Marco Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st May 2023 06:50 19:58
Tuesday, 16th May 2023 06:41 20:06
Wednesday, 31st May 2023 06:35 20:14

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