St Augustine weather in August 2025

Expect 32°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Augustine in August. Check more long-term weather averages for St Augustine in August before you book your next holiday to Florida in 2025/2026.

  • 32°C maximum daytime temperature in August in St Augustine32
    32°C max day temperature
  • 9 hours of sunshine per day
  • 15 days with some rainfall in August in St Augustine15
    15 days with some rainfall
  • 23°C minimum night-time temperature in August in St Augustine23
    23°C min night temperature
  • 13 hours of daylight per day in August in St Augustine13
    13 hours of daylight per day
  • Very high heat & humidity in August in St AugustineVH
    Very High heat & humidity
  • 165 mm monthly rainfall in August in St Augustine165
    165 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in St Augustine10
    10 (Very High) UV index
  • 28°C sea temperature in August in St Augustine28
    28°C sea temperature

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The August weather guide for Florida (St Augustine) 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 St Augustine in August?

Daytime temperatures usually reach 32°C in St Augustine in August with very high heat and humidity, falling to 23°C at night.

How sunny is it in St Augustine in August?

There are normally 9 hours of bright sunshine each day in St Augustine in August - that's 65% of daylight hours.

How warm is the sea around St Augustine in August?

The average sea temperature around St Augustine in August is 28°C.

Does it rain in St Augustine in August?

There are usually 15 days with some rain in St Augustine in August and the average monthly rainfall is 165mm.

What is the chance of a hurricane in St Augustine in August?

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

St Augustine August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:45 19:18
Saturday, 16th August 2025 05:54 19:05
Sunday, 31st August 2025 06:02 18:48

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