Frost Dates for Spring Valley, TX

Based on data from Houston-Port weather station, 14 miles away

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. February 2
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. December 25
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 18
First Fall Frost December 8

Hard Freeze (28°F)

Last Spring Hard Freeze January 23
First Fall Hard Freeze January 5
29.79°N, -95.50°W © OpenStreetMap

Growing Season

327 Days February 2 to December 25

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 9b

Avg. annual minimum: 25 to 30°F (−4 to −1°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

40° 60° 80° 100°
54°
High: 63°F
Avg: 54°F
Low: 44°F
Jan
58°
High: 67°F
Avg: 58°F
Low: 49°F
Feb
64°
High: 73°F
Avg: 64°F
Low: 54°F
Mar
70°
High: 79°F
Avg: 70°F
Low: 61°F
Apr
77°
High: 86°F
Avg: 77°F
Low: 69°F
May
83°
High: 91°F
Avg: 83°F
Low: 75°F
Jun
85°
High: 93°F
Avg: 85°F
Low: 77°F
Jul
86°
High: 94°F
Avg: 86°F
Low: 77°F
Aug
81°
High: 90°F
Avg: 81°F
Low: 72°F
Sep
72°
High: 82°F
Avg: 72°F
Low: 63°F
Oct
62°
High: 72°F
Avg: 62°F
Low: 53°F
Nov
56°
High: 65°F
Avg: 56°F
Low: 46°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 5" 10" 15" 16.8"
7.5"
7.53"
Jan
7.2"
7.20"
Feb
8.0"
8.03"
Mar
12.3"
12.25"
Apr
16.8"
16.84"
May
12.4"
12.42"
Jun
11.7"
11.69"
Jul
8.7"
8.65"
Aug
11.7"
11.66"
Sep
14.2"
14.21"
Oct
10.3"
10.35"
Nov
7.0"
7.01"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10.5h11h12h12.5h13.5h14h13.5h13h12h11.5h10.5h10h
Jan: 6:51 AM – 5:09 PM · 10h 17m
Feb: 6:31 AM – 5:29 PM · 10h 58m
Mar: 6:06 AM – 5:54 PM · 11h 47m
Apr: 5:38 AM – 6:22 PM · 12h 43m
May: 5:15 AM – 6:45 PM · 13h 30m
Jun: 5:03 AM – 6:57 PM · 13h 54m
Jul: 5:08 AM – 6:52 PM · 13h 44m
Aug: 5:28 AM – 6:32 PM · 13h 04m
Sep: 5:55 AM – 6:05 PM · 12h 10m
Oct: 6:22 AM – 5:38 PM · 11h 16m
Nov: 6:46 AM – 5:14 PM · 10h 28m
Dec: 6:57 AM – 5:03 PM · 10h 06m
Daylight Longest: 13h 55m · Shortest: 10h 05m

Nearby Stations

Houston Hobby AP, TX January 30 - December 28 Houston Clover Fld, TX January 31 - December 27 Houston Intercont AP, TX February 13 - December 9 Baytown, TX February 20 - December 4 Houston Nwso, TX January 31 - December 14 Houston Sugarland Mem, TX February 2 - December 11

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview