Frost Dates for Robertsdale, AL

Elevation: 49 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. March 5
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. November 23

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 14
First Fall Frost November 15

Hard Freeze (28°F)

Last Spring Hard Freeze February 21
First Fall Hard Freeze December 9
30.57°N, 87.70°W © OpenStreetMap

Growing Season

263 Days March 5 to November 23

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.

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January61°50°39°
February65°54°42°
March71°60°48°
April77°66°54°
May84°73°62°
June88°79°70°
July90°81°72°
August90°81°72°
September87°77°67°
October79°68°57°
November70°58°47°
December63°52°41°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January11.7
February10.7
March13.6
April13.8
May11.6
June10.8
July11.9
August10.1
September10.5
October12.5
November11.6
December11.0

Sunrise / Sunset

Daylight Central Time (CT) Longest: 13h 59m · Shortest: 10h 01m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month Sunrise Sunset Daylight
January6:53 AM5:07 PM10h 14m
February6:37 AM5:33 PM10h 56m
March7:07 AM6:54 PM11h 47m
April6:29 AM7:14 PM12h 45m
May6:01 AM7:33 PM13h 33m
June5:52 AM7:50 PM13h 58m
July6:03 AM7:50 PM13h 48m
August6:22 AM7:28 PM13h 07m
September6:40 AM6:51 PM12h 10m
October6:59 AM6:13 PM11h 14m
November6:23 AM4:49 PM10h 25m
December6:46 AM4:48 PM10h 02m

Nearby Stations

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