Sun, sea & sand

St. Augustine weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

91

Holiday weather in May

Excellent

Best time to visit: May – July, October

What is the weather like in St. Augustine in May?

In May, St. Augustine is warm: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 24.2 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 8 days, adding up to 66 mm. The air is often humid and muggy. All in all, May is an excellent month for a holiday in St. Augustine.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score759177
Day24°27°29°
Night18°22°24°
Sea21°24°27°
Sun8 h8 h8 h
Rain days7817

More details for May

Daylight
13 h 38 min06:32 – 20:10
UV index
11 · extremeclear sky, noon (estimate)All months
Muggy days
22 daysdew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
45 %on averageAll months
Hot days
3 days30 °C or moreAll months
Time zone
UTC−4America/New_York

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %87 %
  • Few rainy daysweight 20 %69 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

St. Augustine in May: quick answers

Is St. Augustine hot in May?

Warm rather than hot: in May, daytime highs in St. Augustine average 27 °C and nights cool to about 22 °C. On about 3 days the thermometer climbs to 30 °C or more.

Can you swim in St. Augustine in May?

Yes. In May the sea averages 24.2 °C – pleasant for swimming.

Does it rain much in St. Augustine in May?

Rain falls on about 8 days, adding up to 66 mm.

St. Augustine month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences