Frost Dates for Key West, FL

Based on data from Key W Wfo weather station, 0 miles away

Frost Dates

This location never reaches freezing temperatures, so you can plant year-round!

In tropical and subtropical climates, the main challenge isn’t frost — it’s heat and humidity. Learn more about gardening in tropical climates.

24.56°N, -81.78°W © OpenStreetMap

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 12a

Avg. annual minimum: 50 to 55°F (10 to 13°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Aw Tropical Savanna (Dry Winter)

Hot year-round with distinct wet and dry seasons. The dry winter allows for seasonal planting. Drought-tolerant crops do well in the dry season; the wet season supports lush growth.

Köppen climate map

Temperature

60° 70° 80° 90°
69°
High: 75°F
Avg: 69°F
Low: 63°F
Jan
70°
High: 77°F
Avg: 70°F
Low: 64°F
Feb
73°
High: 79°F
Avg: 73°F
Low: 67°F
Mar
77°
High: 83°F
Avg: 77°F
Low: 71°F
Apr
80°
High: 86°F
Avg: 80°F
Low: 74°F
May
82°
High: 88°F
Avg: 82°F
Low: 77°F
Jun
84°
High: 90°F
Avg: 84°F
Low: 78°F
Jul
84°
High: 90°F
Avg: 84°F
Low: 79°F
Aug
83°
High: 88°F
Avg: 83°F
Low: 77°F
Sep
80°
High: 85°F
Avg: 80°F
Low: 75°F
Oct
75°
High: 81°F
Avg: 75°F
Low: 70°F
Nov
72°
High: 77°F
Avg: 72°F
Low: 66°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 2" 4" 5.7"
2.8"
2.84"
Jan
4.4"
4.37"
Feb
2.6"
2.59"
Mar
3.8"
3.75"
Apr
4.5"
4.47"
May
4.3"
4.34"
Jun
4.9"
4.90"
Jul
5.7"
5.66"
Aug
5.5"
5.54"
Sep
4.9"
4.88"
Oct
2.9"
2.91"
Nov
2.3"
2.26"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10.5h11h12h12.5h13h13.5h13.5h13h12h11.5h11h10.5h
Jan: 6:41 AM – 5:19 PM · 10h 38m
Feb: 6:25 AM – 5:35 PM · 11h 10m
Mar: 6:05 AM – 5:55 PM · 11h 50m
Apr: 5:43 AM – 6:17 PM · 12h 35m
May: 5:24 AM – 6:36 PM · 13h 12m
Jun: 5:15 AM – 6:45 PM · 13h 31m
Jul: 5:18 AM – 6:42 PM · 13h 23m
Aug: 5:34 AM – 6:26 PM · 12h 51m
Sep: 5:56 AM – 6:04 PM · 12h 08m
Oct: 6:18 AM – 5:42 PM · 11h 25m
Nov: 6:37 AM – 5:23 PM · 10h 47m
Dec: 6:45 AM – 5:15 PM · 10h 29m
Daylight Longest: 13h 31m · Shortest: 10h 29m

Nearby Stations

Key West Intl AP, FL Key West Nas, FL Bahia Honda Sp, FL Marathon AP, FL Curry Hammock Sp, FL Duck Key, FL

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