Frost Dates for Port Saint John, FL

Based on data from Titusville weather station, 10 miles away

Elevation: 26 ft

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. January 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. January 13

This location has a nearly year-round growing season with a brief frost risk period in winter.

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 February 4
First Fall Frost January 4

Hard Freeze (28°F)

Last Spring Hard Freeze January 22
First Fall Hard Freeze January 16
28.48°N, 80.79°W © OpenStreetMap

Growing Season

354 Days January 25 to January 13

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 10a

Avg. annual minimum: 30 to 35°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
January69°60°50°
February71°62°54°
March75°66°57°
April79°71°63°
May84°77°69°
June88°80°73°
July90°82°74°
August89°82°75°
September87°81°74°
October83°76°69°
November76°68°61°
December71°63°54°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January4.2
February5.5
March6.5
April7.2
May8.3
June9.2
July8.9
August8.4
September7.4
October5.7
November3.4
December3.6

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 13h 50m · Shortest: 10h 10m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:22 AM5:44 PM10h 22m
February7:07 AM6:08 PM11h 01m
March7:39 AM7:27 PM11h 48m
April7:03 AM7:44 PM12h 42m
May6:37 AM8:02 PM13h 26m
June6:29 AM8:18 PM13h 49m
July6:39 AM8:19 PM13h 39m
August6:57 AM7:58 PM13h 02m
September7:13 AM7:23 PM12h 10m
October7:30 AM6:47 PM11h 18m
November6:52 AM5:25 PM10h 33m
December7:14 AM5:25 PM10h 11m

Nearby Stations

Titusville 7 E, FL January 29 - January 16 Scottsmoor 2.5 Ssw, FL February 10 - January 8 Orlando Sanford AP, FL January 24 - January 9 New Smyrna Bch - Marine Discov, FL January 28 - January 9 Sanford, FL January 26 - January 12 Orlando Executive AP, FL January 17 - January 13

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