Captiva weather in August 2025

Expect 91°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Captiva in August. Check more long-term weather averages for Captiva in August before you book your next holiday to Florida in 2025/2026.

  • 91°F maximum daytime temperature in August in Captiva91
    91°F max day temperature
  • 9 hours of sunshine per day
  • 16 days with some rainfall in August in Captiva16
    16 days with some rainfall
  • 75°F minimum night-time temperature in August in Captiva75
    75°F min night temperature
  • 13 hours of daylight per day in August in Captiva13
    13 hours of daylight per day
  • Very high heat & humidity in August in CaptivaVH
    Very High heat & humidity
  • 8.8 inches monthly rainfall in August in Captiva8.8
    8.8 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Captiva11
    11 (Extreme) UV index
  • 86°F sea temperature in August in Captiva86
    86°F sea temperature

More about Captiva

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The August weather guide for Florida (Captiva) 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 Florida

How hot is it in Captiva in August?

Daytime temperatures usually reach 91°F in Captiva in August with very high heat and humidity, falling to 75°F at night.

How sunny is it in Captiva in August?

There are normally 9 hours of bright sunshine each day in Captiva in August - that's 67% of daylight hours.

How warm is the sea around Captiva in August?

The average sea temperature around Captiva in August is 86°F.

Does it rain in Captiva in August?

There are usually 16 days with some rain in Captiva in August and the average monthly rainfall is 8.8 inches.

What is the chance of a hurricane in Captiva in August?

On average 1.1 days in August in Captiva are likely to be affected by the passage of one or more tropical storms.

Captiva August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:54 19:16
Saturday, 16th August 2025 06:01 19:04
Sunday, 31st August 2025 06:08 18:49

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