Climate & Weather in St. Augustine
St. Augustine has a humid subtropical (Köppen Cfa) climate: warm, muggy summers, mild winters, and over 300 days of sunshine a year -- but also a genuine wet season and direct Atlantic hurricane exposure that shape how residents plan their year.
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Learn moreWarm Year-Round, Hot and Humid in Summer
The average annual temperature is about 79°F, with an average low around 61°F, per Weather-and-Climate.com's aggregation. Summer temperatures average around 87°F with high humidity typical of coastal northeast Florida; winters are mild, averaging around 61°F, with occasional cold snaps but essentially no snow.
A Real Wet Season, Not Just Occasional Rain
St. Augustine averages about 49 inches (1,240 mm) of rain annually, concentrated heavily in a wet season running May through October -- the same window that overlaps hurricane season -- while November through April is comparatively dry. Afternoon thunderstorms are routine in summer.
Hurricane Season Runs June Through November
Atlantic hurricane season is June 1 through November 30, with the statistical peak in August-October. Given the city's documented flood exposure (see insurance-hazard-costs), residents should treat hurricane preparedness -- insurance, evacuation planning, and property protection -- as a normal annual routine rather than a rare event.
Over 300 Sunny Days a Year
St. Augustine sees more than 300 days of sunshine annually, per local visitor-bureau and climate sources, consistent with its semi-tropical classification -- a genuine year-round outdoor-living draw that offsets the wet-season and hurricane-season considerations above.
Key takeaways
- St. Augustine's climate is humid subtropical (Köppen Cfa): average annual temperature about 79°F, summer highs near 87°F, mild winters around 61°F, with over 300 sunny days a year.
- Annual rainfall averages about 49 inches, concentrated in a May-October wet season that overlaps directly with hurricane season.
- Atlantic hurricane season runs June 1-November 30 with a statistical peak in August-October -- plan insurance and preparedness around it as routine, not exceptional.
- No snow and generally mild winters, consistent with coastal northeast Florida.
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