Frost Dates for Thorsby, AL

Based on data from Thorsby Exp Stn weather station, 3 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. March 21
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 11
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 30
First Fall Frost November 5

Hard Freeze (28°F)

Last Spring Hard Freeze March 7
First Fall Hard Freeze November 25
32.92°N, -86.72°W © OpenStreetMap

Growing Season

235 Days March 21 to November 11

USDA Hardiness Zone iHardiness 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 8b

Avg. annual minimum: 15 to 20°F (−9 to −7°C)

Learn more

Köppen Climate iThe 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

30° 50° 70° 90°
44°
High: 55°F
Avg: 44°F
Low: 33°F
Jan
48°
High: 59°F
Avg: 48°F
Low: 36°F
Feb
55°
High: 67°F
Avg: 55°F
Low: 43°F
Mar
62°
High: 74°F
Avg: 62°F
Low: 49°F
Apr
70°
High: 82°F
Avg: 70°F
Low: 58°F
May
76°
High: 87°F
Avg: 76°F
Low: 66°F
Jun
79°
High: 90°F
Avg: 79°F
Low: 69°F
Jul
79°
High: 90°F
Avg: 79°F
Low: 68°F
Aug
74°
High: 85°F
Avg: 74°F
Low: 63°F
Sep
64°
High: 76°F
Avg: 64°F
Low: 51°F
Oct
53°
High: 66°F
Avg: 53°F
Low: 41°F
Nov
46°
High: 57°F
Avg: 46°F
Low: 35°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 4" 8" 12" 12.1"
12.1"
12.06"
Jan
11.9"
11.93"
Feb
10.9"
10.90"
Mar
10.0"
10.00"
Apr
9.2"
9.23"
May
9.2"
9.20"
Jun
8.7"
8.70"
Jul
8.7"
8.71"
Aug
8.7"
8.71"
Sep
8.5"
8.52"
Oct
10.6"
10.58"
Nov
10.6"
10.61"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h13.5h14h14h13h12h11h10.5h10h
Jan: 6:58 AM – 5:02 PM · 10h 03m
Feb: 6:35 AM – 5:25 PM · 10h 50m
Mar: 6:07 AM – 5:53 PM · 11h 45m
Apr: 5:35 AM – 6:25 PM · 12h 49m
May: 5:09 AM – 6:51 PM · 13h 42m
Jun: 4:55 AM – 7:05 PM · 14h 10m
Jul: 5:01 AM – 6:59 PM · 13h 58m
Aug: 5:23 AM – 6:37 PM · 13h 13m
Sep: 5:54 AM – 6:06 PM · 12h 11m
Oct: 6:25 AM – 5:35 PM · 11h 10m
Nov: 6:52 AM – 5:08 PM · 10h 16m
Dec: 7:05 AM – 4:55 PM · 9h 50m
Daylight Longest: 14h 10m · Shortest: 9h 50m

Nearby Stations

Clanton 2 Ne, AL March 22 - November 10 Clanton, ALMarch 24 - November 10 Alabaster Shelby Co AP, AL March 12 - November 16 Helena, ALMarch 19 - November 8 Rockford 3 Ese, AL March 25 - November 11 Childersburg Wtp, AL March 31 - November 2

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