Frost Dates for Jacksonville, FL

Elevation: 10 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. February 25
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. December 7

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost March 7
First Fall Frost November 29

Hard Freeze (28°F)

Last Spring Hard Freeze February 4
First Fall Hard Freeze January 2
30.48°N, 81.70°W © OpenStreetMap

Growing Season

286 Days February 25 to December 7

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 9a

Avg. annual minimum: 20 to 25°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January66°54°43°
February69°58°46°
March74°63°51°
April80°68°56°
May86°75°64°
June90°80°71°
July92°83°73°
August91°82°73°
September87°79°71°
October81°71°62°
November73°62°51°
December68°57°46°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January5.7
February4.9
March6.5
April8.2
May7.2
June7.2
July7.8
August6.7
September7.8
October6.3
November4.2
December4.7

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 13h 58m · Shortest: 10h 02m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:29 AM5:43 PM10h 14m
February7:13 AM6:09 PM10h 56m
March7:43 AM7:30 PM11h 47m
April7:05 AM7:49 PM12h 45m
May6:37 AM8:09 PM13h 32m
June6:28 AM8:26 PM13h 58m
July6:39 AM8:26 PM13h 47m
August6:58 AM8:04 PM13h 06m
September7:16 AM7:27 PM12h 10m
October7:35 AM6:49 PM11h 14m
November6:59 AM5:25 PM10h 26m
December7:21 AM5:24 PM10h 02m

Nearby Stations

Jackson Whitehouse Nolf, FL February 28 - December 3 Jacksonville Craig Muni AP, FL February 9 - December 31 Jacksonville Nas, FL February 1 - January 5 Mayport Pilot Stn, FL February 1 - January 5 Fernandina Beach, FL February 2 - January 4 Jacksonville Beach, FL January 31 - January 10

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