Frost Dates for Harlem, FL

Based on data from Clewiston #2 weather station, 6 miles away

Elevation: 20 ft

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. January 27
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. January 13

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

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 February 5
First Fall Frost January 3

Hard Freeze (28°F)

Last Spring Hard Freeze January 18
First Fall Hard Freeze January 11
26.74°N, -80.95°W © OpenStreetMap

Growing Season

352 Days January 27 to January 13

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 10b

Avg. annual minimum: 35 to 40°F (2 to 4°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

50° 70° 90°
62°
High: 74°F
Avg: 62°F
Low: 51°F
Jan
66°
High: 77°F
Avg: 66°F
Low: 54°F
Feb
68°
High: 80°F
Avg: 68°F
Low: 57°F
Mar
73°
High: 85°F
Avg: 73°F
Low: 62°F
Apr
78°
High: 88°F
Avg: 78°F
Low: 67°F
May
81°
High: 90°F
Avg: 81°F
Low: 72°F
Jun
83°
High: 92°F
Avg: 83°F
Low: 74°F
Jul
83°
High: 92°F
Avg: 83°F
Low: 74°F
Aug
82°
High: 90°F
Avg: 82°F
Low: 73°F
Sep
77°
High: 87°F
Avg: 77°F
Low: 68°F
Oct
70°
High: 81°F
Avg: 70°F
Low: 59°F
Nov
65°
High: 76°F
Avg: 65°F
Low: 54°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 3" 6" 9" 11.8"
8.0"
8.00"
Jan
7.9"
7.88"
Feb
7.9"
7.87"
Mar
10.2"
10.15"
Apr
11.8"
11.85"
May
10.2"
10.19"
Jun
9.5"
9.47"
Jul
9.5"
9.52"
Aug
8.6"
8.56"
Sep
7.3"
7.32"
Oct
4.5"
4.49"
Nov
5.6"
5.62"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10.5h11h12h12.5h13.5h13.5h13.5h13h12h11.5h10.5h10.5h
Jan: 7:19 AM – 5:48 PM · 10h 30m
Feb: 7:06 AM – 6:11 PM · 11h 05m
Mar: 7:40 AM – 7:28 PM · 11h 49m
Apr: 7:05 AM – 7:44 PM · 12h 38m
May: 6:41 AM – 7:60 PM · 13h 19m
Jun: 6:34 AM – 8:15 PM · 13h 40m
Jul: 6:44 AM – 8:16 PM · 13h 32m
Aug: 6:60 AM – 7:57 PM · 12h 57m
Sep: 7:14 AM – 7:23 PM · 12h 09m
Oct: 7:29 AM – 6:50 PM · 11h 21m
Nov: 6:50 AM – 5:29 PM · 10h 39m
Dec: 7:10 AM – 5:30 PM · 10h 20m
Daylight Eastern Time (ET) Longest: 13h 41m · Shortest: 10h 19m

Nearby Stations

Devils Garden, FL January 25 - January 13 Moore Haven Lock 1, FL January 23 - January 11 Ortona Lock 2, FL January 27 - January 11 Brighton Rsvn, FL January 31 - January 12 La Belle, FL February 2 - January 8 Belle Glade, FL January 27 - January 16

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