Miami weather in August 2025

Expect daytime maximum temperatures of 31°C in Miami, 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 144 mm of rainfall in the month.

  • 31°C maximum daytime temperature in August in Miami31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 18 days with some rainfall in August in Miami18
    18 days with some rainfall
  • 25°C minimum night-time temperature in August in Miami25
    25°C min night temperature
  • 13 hours of daylight per day in August in Miami13
    13 hours of daylight per day
  • Very high heat & humidity in August in MiamiVH
    Very High heat & humidity
  • 144 mm monthly rainfall in August in Miami144
    144 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Miami11
    11 (Extreme) UV index
  • 30°C sea temperature in August in Miami30
    30°C sea temperature

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The August weather guide for Florida (Miami) 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 Miami

How hot is it in Miami in August?

Daytime temperatures usually reach 31°C in Miami in August with very high heat and humidity, falling to 25°C at night.

How sunny is it in Miami in August?

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

How warm is the sea around Miami in August?

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

Does it rain in Miami in August?

There are usually 18 days with some rain in Miami in August and the average monthly rainfall is 144mm.

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

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

Miami August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:47 19:07
Saturday, 16th August 2025 05:55 18:55
Sunday, 31st August 2025 06:01 18:41

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