Frost Dates for Dry Tortugas, FL

Elevation: 1 m

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.

24.63°N, 82.87°W © OpenStreetMap

USDA Hardiness Zone

Zone 12b

Avg. annual minimum: 55 to 60°F

Learn more

Köppen Climate

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° 100°

69°

Jan

71°

Feb

73°

Mar

77°

Apr

80°

May

83°

Jun

85°

Jul

85°

Aug

83°

Sep

80°

Oct

75°

Nov

71°

Dec

Avg High Avg Temp Avg Low

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	74°	69°	65°
February	76°	71°	66°
March	79°	73°	68°
April	83°	77°	71°
May	86°	80°	75°
June	89°	83°	77°
July	91°	85°	78°
August	91°	85°	79°
September	89°	83°	78°
October	85°	80°	76°
November	79°	75°	71°
December	76°	71°	67°

Precipitation

0" 2" 4" 6" 7.9"

6.6"

Jan

3.8"

Feb

5.4"

Mar

6.3"

Apr

6.9"

May

5.8"

Jun

5.5"

Jul

6.2"

Aug

7.9"

Sep

5.8"

Oct

5.3"

Nov

5.6"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	6.6
February	3.8
March	5.4
April	6.3
May	6.9
June	5.8
July	5.5
August	6.2
September	7.9
October	5.8
November	5.3
December	5.6

Sunrise / Sunset

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: 5:14 AM – 6:46 PM · 13h 31m

Jul: 5:18 AM – 6:42 PM · 13h 23m

Aug: 5:34 AM – 6:26 PM · 12h 52m

Sep: 5:56 AM – 6:04 PM · 12h 08m

Oct: 6:18 AM – 5:42 PM · 11h 24m

Nov: 6:37 AM – 5:23 PM · 10h 47m

Dec: 6:46 AM – 5:14 PM · 10h 29m

Daylight Longest: 13h 32m · Shortest: 10h 28m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	6:41 AM	5:19 PM	10h 38m
February	6:25 AM	5:35 PM	11h 10m
March	6:05 AM	5:55 PM	11h 50m
April	5:43 AM	6:17 PM	12h 35m
May	5:24 AM	6:36 PM	13h 12m
June	5:14 AM	6:46 PM	13h 31m
July	5:18 AM	6:42 PM	13h 23m
August	5:34 AM	6:26 PM	12h 52m
September	5:56 AM	6:04 PM	12h 08m
October	6:18 AM	5:42 PM	11h 24m
November	6:37 AM	5:23 PM	10h 47m
December	6:46 AM	5:14 PM	10h 29m

Nearby Stations

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