South Beach weather in August 2025

Expect 90°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in South Beach in August. Check more long-term weather averages for South Beach in August before you book your next holiday to Florida in 2025/2026.

  • 90°F maximum daytime temperature in August in South Beach90
    90°F max day temperature
  • 9 hours of sunshine per day
  • 16 days with some rainfall in August in South Beach16
    16 days with some rainfall
  • 73°F minimum night-time temperature in August in South Beach73
    73°F min night temperature
  • 13 hours of daylight per day in August in South Beach13
    13 hours of daylight per day
  • Very high heat & humidity in August in South BeachVH
    Very High heat & humidity
  • 5.6 inches monthly rainfall in August in South Beach5.6
    5.6 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in South Beach11
    11 (Extreme) UV index
  • 82°F sea temperature in August in South Beach82
    82°F sea temperature

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The August weather guide for Florida (South Beach) 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 South Beach in August?

Daytime temperatures usually reach 90°F in South Beach in August with very high heat and humidity, falling to 73°F at night.

How sunny is it in South Beach in August?

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

How warm is the sea around South Beach in August?

The average sea temperature around South Beach in August is 82°F.

Does it rain in South Beach in August?

There are usually 16 days with some rain in South Beach in August and the average monthly rainfall is 5.6 inches.

What is the chance of a hurricane in South Beach in August?

On average 1.2 days in August in South Beach are likely to be affected by the passage of one or more tropical storms.

South Beach August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:45 19:10
Saturday, 16th August 2025 05:53 18:58
Sunday, 31st August 2025 06:00 18:43

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