Miami Beach weather in August 2025

Expect daytime maximum temperatures of 32°C in Miami Beach, Florida in August and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 18 days with some rainfall and typically 157 mm of rainfall in the month.

  • 32°C maximum daytime temperature in August in Miami Beach32
    32°C max day temperature
  • 9 hours of sunshine per day
  • 18 days with some rainfall in August in Miami Beach18
    18 days with some rainfall
  • 25°C minimum night-time temperature in August in Miami Beach25
    25°C min night temperature
  • 13 hours of daylight per day in August in Miami Beach13
    13 hours of daylight per day
  • Very high heat & humidity in August in Miami BeachVH
    Very High heat & humidity
  • 157 mm monthly rainfall in August in Miami Beach157
    157 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Miami Beach11
    11 (Extreme) UV index
  • 30°C sea temperature in August in Miami Beach30
    30°C sea temperature

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The August weather guide for Florida (Miami 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 / mm)  |  Imperial (°F / inches)

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More about Florida

How hot is it in Miami Beach in August?

Daytime temperatures usually reach 32°C in Miami Beach in August with very high heat and humidity, falling to 25°C at night.

How sunny is it in Miami Beach in August?

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

How warm is the sea around Miami Beach in August?

The average sea temperature around Miami Beach in August is 30°C.

Does it rain in Miami Beach in August?

There are usually 18 days with some rain in Miami Beach in August and the average monthly rainfall is 157mm.

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

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

Miami Beach August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:47 19:06
Saturday, 16th August 2025 05:54 18:55
Sunday, 31st August 2025 06:01 18:40

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