Frost dates for Jacksonville Beach, FL
At this NOAA station the last spring frost (32°F) usually comes by January 31 and the first fall frost around January 10, giving a growing season of about 345 days.
January 31average last spring frost
January 10average first fall frost
Frost odds
| 1 year in 10 the last spring frost is later than | March 2 |
| Half of years the last spring frost is later than | January 31 |
| 9 years in 10 the last spring frost is later than | January 1 |
| 1 year in 10 the first fall frost is earlier than | December 16 |
| Half of years the first fall frost is earlier than | January 10 |
| 9 years in 10 the first fall frost is earlier than | February 14 |
A hard freeze (28°F) usually ends by January 24 and returns around January 16.
A light frost (36°F, which can still nip tender plants) usually ends by February 9 and returns around January 1.
Station USC00084366, elevation 3 m. Based on 25 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