Frost dates for Saint Leo, FL
At this NOAA station the last spring frost (32°F) usually comes by January 31 and the first fall frost around January 8, giving a growing season of about 336 days.
January 31average last spring frost
January 8average first fall frost
Frost odds
| 1 year in 10 the last spring frost is later than | February 28 |
| Half of years the last spring frost is later than | January 31 |
| 9 years in 10 the last spring frost is later than | January 3 |
| 1 year in 10 the first fall frost is earlier than | December 10 |
| Half of years the first fall frost is earlier than | January 8 |
| 9 years in 10 the first fall frost is earlier than | February 10 |
A hard freeze (28°F) usually ends by January 24 and returns around January 14.
A light frost (36°F, which can still nip tender plants) usually ends by February 16 and returns around December 22.
Station USC00087851, elevation 58 m. Based on 30 years of 1991 to 2020 records. A garden higher up, in a hollow or far from this station can freeze later in spring.
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Sources
- U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
- Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
- 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026