Frost Dates for South Houston, TX

Based on data from Houston Hobby AP weather station, 3 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. January 30
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 28
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 10
First Fall Frost December 10

Hard Freeze (28°F)

Last Spring Hard Freeze January 17
First Fall Hard Freeze January 8
29.66°N, -95.24°W © OpenStreetMap

Growing Season

333 Days January 30 to December 28

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°
55°
High: 64°F
Avg: 55°F
Low: 46°F
Jan
59°
High: 68°F
Avg: 59°F
Low: 50°F
Feb
65°
High: 73°F
Avg: 65°F
Low: 56°F
Mar
71°
High: 79°F
Avg: 71°F
Low: 62°F
Apr
78°
High: 86°F
Avg: 78°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
85°
High: 94°F
Avg: 85°F
Low: 77°F
Aug
81°
High: 89°F
Avg: 81°F
Low: 73°F
Sep
73°
High: 82°F
Avg: 73°F
Low: 64°F
Oct
63°
High: 73°F
Avg: 63°F
Low: 54°F
Nov
57°
High: 66°F
Avg: 57°F
Low: 48°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 3" 6" 9" 9.5"
4.3"
4.29"
Jan
3.5"
3.54"
Feb
3.6"
3.63"
Mar
3.8"
3.84"
Apr
6.8"
6.80"
May
7.8"
7.75"
Jun
6.8"
6.75"
Jul
5.2"
5.16"
Aug
7.4"
7.36"
Sep
9.5"
9.51"
Oct
5.6"
5.59"
Nov
4.4"
4.36"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10.5h11h12h12.5h13.5h14h13.5h13h12h11.5h10.5h10h
Jan: 6:51 AM – 5:09 PM · 10h 18m
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 29m
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 29m
Dec: 6:57 AM – 5:03 PM · 10h 06m
Daylight Longest: 13h 54m · Shortest: 10h 06m

Nearby Stations

Houston-Port, TX February 2 - December 25 Houston Clover Fld, TX January 31 - December 27 Houston Nwso, TX January 31 - December 14 Alvin, TXFebruary 14 - December 5 Houston Sugarland Mem, TX February 2 - December 11 Sugar Land, TX February 9 - December 13

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