Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
May verdict
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 9.3h per day, so bright days are a strong part of the month. Rainfall averages 92mm, so some wet days are possible.

Monthly averages
Temp
30°C
Rain
92mm
Sun
9.3h
Sea
24°C
Weather score
80
Very good
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 92mm, so some wet days are possible.
Bright
Sunshine averages 9.3h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Compare St Augustine, Florida, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
May30°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
May92mm average rain
May sits on the drier side of St Augustine's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May9.3 hours average sun
May is one of St Augustine's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
May24°C average sea
May is close to St Augustine's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to October
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
May80 weather score
May is one of St Augustine's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril to May and October
These months have the strongest weather score in the monthly averages.
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