Frost Dates for Port O'Connor, TX

Elevation: 2 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. February 4
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. December 27

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 February 21
First Fall Frost December 6

Hard Freeze (28°F)

Last Spring Hard Freeze January 27
First Fall Hard Freeze January 4
28.43°N, 96.43°W © OpenStreetMap

Growing Season

327 Days February 4 to December 27

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 10a

Avg. annual minimum: 30 to 35°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.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January65°56°47°
February67°59°50°
March72°65°57°
April77°71°64°
May82°77°72°
June87°82°77°
July89°84°79°
August90°85°79°
September88°82°76°
October84°76°68°
November75°65°55°
December68°58°49°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January3.5
February2.7
March4.4
April4.8
May8.2
June8.7
July7.3
August6.8
September5.5
October7.0
November5.9
December3.8

Sunrise / Sunset

Daylight Longest: 13h 49m · Shortest: 10h 11m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January6:49 AM5:11 PM10h 23m
February6:29 AM5:31 PM11h 01m
March6:06 AM5:54 PM11h 48m
April5:39 AM6:21 PM12h 41m
May5:18 AM6:42 PM13h 25m
June5:06 AM6:54 PM13h 48m
July5:11 AM6:49 PM13h 39m
August5:29 AM6:31 PM13h 01m
September5:55 AM6:05 PM12h 10m
October6:21 AM5:39 PM11h 18m
November6:43 AM5:17 PM10h 33m
December6:54 AM5:06 PM10h 12m

Nearby Stations

Pt Comfort, TX February 1 - December 21 Palacios Muni AP, TX February 1 - December 17 Aransas Wr, TX February 7 - December 13 Austwell, TX January 30 - December 27 Port Aransas 32 Nne, TX February 20 - December 2 Matagorda No 2, TX February 5 - December 16

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