St Augustine weather in May 2025

Expect 84°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Augustine in May. Check more long-term weather averages for St Augustine in May before you book your next holiday to Florida in 2025/2026.

  • 84°F maximum daytime temperature in May in St Augustine84
    84°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in May in St Augustine8
    8 days with some rainfall
  • 64°F minimum night-time temperature in May in St Augustine64
    64°F min night temperature
  • 14 hours of daylight per day in May in St Augustine14
    14 hours of daylight per day
  • Moderate heat & humidity in May in St AugustineM
    Moderate heat & humidity
  • 3.4 inches monthly rainfall in May in St Augustine3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in St Augustine10
    10 (Very High) UV index
  • 75°F sea temperature in May in St Augustine75
    75°F sea temperature

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The May 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)  |  Imperial (°F)

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More about Florida

How hot is it in St Augustine in May?

Daytime temperatures usually reach 84°F in St Augustine in May with moderate heat and humidity, falling to 64°F at night.

How sunny is it in St Augustine in May?

There are normally 9 hours of bright sunshine each day in St Augustine in May - that's 68% of daylight hours.

How warm is the sea around St Augustine in May?

The average sea temperature around St Augustine in May is 75°F.

Does it rain in St Augustine in May?

There are usually 8 days with some rain in St Augustine in May and the average monthly rainfall is 3.4 inches.

St Augustine May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:42 19:03
Friday, 16th May 2025 05:31 19:12
Saturday, 31st May 2025 05:25 19:21

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