Frost Dates for Castolon, TX

Elevation: 661 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 18
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. November 29

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 March 1
First Fall Frost November 23

Hard Freeze (28°F)

Last Spring Hard Freeze January 31
First Fall Hard Freeze December 11
29.13°N, 103.51°W © OpenStreetMap

Growing Season

285 Days February 18 to November 29

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 9a

Avg. annual minimum: 20 to 25°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BWh Hot Desert

Very hot and extremely dry with minimal rainfall. Irrigation is essential for any gardening. Heat-tolerant crops and desert-adapted plants thrive; shade structures help in peak summer.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January69°52°36°
February75°59°42°
March83°66°48°
April92°75°57°
May100°84°67°
June104°89°75°
July102°89°75°
August102°88°75°
September96°83°70°
October89°74°59°
November78°62°46°
December69°53°37°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January0.0
February0.0
March0.0
April0.0
May2.8
June3.8
July3.7
August3.8
September3.4
October2.4
November0.0
December0.0

Sunrise / Sunset

Daylight Longest: 13h 52m · Shortest: 10h 08m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January6:50 AM5:10 PM10h 20m
February6:30 AM5:30 PM10h 59m
March6:06 AM5:54 PM11h 47m
April5:39 AM6:21 PM12h 42m
May5:16 AM6:44 PM13h 27m
June5:04 AM6:56 PM13h 51m
July5:09 AM6:51 PM13h 42m
August5:29 AM6:31 PM13h 03m
September5:55 AM6:05 PM12h 10m
October6:22 AM5:38 PM11h 17m
November6:45 AM5:15 PM10h 31m
December6:56 AM5:04 PM10h 09m

Nearby Stations

Study Butte, TX February 21 - November 30 Terlingua, TX March 4 - November 26 Chisos Basin, TX March 10 - November 19 Lajitas, TXMarch 2 - November 24 Lake Ament, TX March 4 - November 25 Panther Junction, TX March 5 - November 25

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