Marco Island weather in August 2025

Expect 32°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Marco Island in August. Check more long-term weather averages for Marco Island in August before you book your next holiday to Florida in 2025/2026.

  • 32°C maximum daytime temperature in August in Marco Island32
    32°C max day temperature
  • 9 hours of sunshine per day
  • 16 days with some rainfall in August in Marco Island16
    16 days with some rainfall
  • 24°C minimum night-time temperature in August in Marco Island24
    24°C min night temperature
  • 13 hours of daylight per day in August in Marco Island13
    13 hours of daylight per day
  • Very high heat & humidity in August in Marco IslandVH
    Very High heat & humidity
  • 204 mm monthly rainfall in August in Marco Island204
    204 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Marco Island11
    11 (Extreme) UV index
  • 30°C sea temperature in August in Marco Island30
    30°C sea temperature

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The August 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.

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

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More about Florida

How hot is it in Marco Island in August?

Daytime temperatures usually reach 32°C in Marco Island in August with very high heat and humidity, falling to 24°C at night.

How sunny is it in Marco Island in August?

There are normally 9 hours of bright sunshine each day in Marco Island in August - that's 71% of daylight hours.

How warm is the sea around Marco Island in August?

The average sea temperature around Marco Island in August is 30°C.

Does it rain in Marco Island in August?

There are usually 16 days with some rain in Marco Island in August and the average monthly rainfall is 204mm.

What is the chance of a hurricane in Marco Island in August?

On average 1 day in August in Marco Island is likely to be affected by the passage of one or more tropical storms.

Marco Island August sunrise & sunset times

Browse the sunrise and sunset times for Marco Island in August 2025. Select a month to view Marco Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:53 19:13
Saturday, 16th August 2025 06:00 19:01
Sunday, 31st August 2025 06:07 18:47

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