Crystal River, FL 34461 Frost Dates
Crystal River, FL: when does the frost end?
The last spring frost here typically falls around 02/03, about 159 days from today. Fall's first freeze usually shows up around 01/03, roughly 329 days after the last spring frost.
Crystal River sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 18 weeks until Crystal River's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Crystal River's last frost
02/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/03 and only about 1 year in 10 sees frost after that.
Crystal River against the rest of the dataset
At roughly 329 frost-free days, Crystal River places 3,115 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,198 of 1,609.
Learn more
Before leaning on 34461's figures: zone vs. frost date explains why Zone 9b and Crystal River's frost date answer different questions, while the frost range explains how to read the range around Crystal River's dates instead of trusting one.