Florianopolis weather in August 2025

Expect 70°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Florianopolis in August. Check more long-term weather averages for Florianopolis in August before you book your next holiday to Brazil in 2025/2026.

  • 70°F maximum daytime temperature in August in Florianopolis70
    70°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in August in Florianopolis14
    14 days with some rainfall
  • 55°F minimum night-time temperature in August in Florianopolis55
    55°F min night temperature
  • 11 hours of daylight per day in August in Florianopolis11
    11 hours of daylight per day
  • No heat & humidity in August in Florianopolis0
    No heat & humidity
  • 3.4 inches monthly rainfall in August in Florianopolis3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Florianopolis6
    6 (High) UV index
  • 64°F sea temperature in August in Florianopolis64
    64°F sea temperature

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The August weather guide for Brazil (Florianopolis) 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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How hot is it in Florianopolis in August?

Daytime temperatures usually reach 70°F in Florianopolis in August, falling to 55°F at night.

How sunny is it in Florianopolis in August?

There are normally 5 hours of bright sunshine each day in Florianopolis in August - that's 44% of daylight hours.

How warm is the sea around Florianopolis in August?

The average sea temperature around Florianopolis in August is 64°F.

Does it rain in Florianopolis in August?

There are usually 14 days with some rain in Florianopolis in August and the average monthly rainfall is 3.4 inches.

Florianopolis August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:55 17:46
Saturday, 16th August 2025 06:44 17:54
Sunday, 31st August 2025 06:29 18:01

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