Frost Dates for Iowa Colony, TX

Based on data from Houston Clover Fld weather station, 11 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 31
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 27
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 15
First Fall Frost December 10

Hard Freeze (28°F)

Last Spring Hard Freeze January 18
First Fall Hard Freeze January 8
29.48°N, -95.42°W © OpenStreetMap

Growing Season

331 Days January 31 to December 27

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: 65°F
Avg: 55°F
Low: 46°F
Jan
59°
High: 68°F
Avg: 59°F
Low: 50°F
Feb
65°
High: 74°F
Avg: 65°F
Low: 55°F
Mar
71°
High: 80°F
Avg: 71°F
Low: 62°F
Apr
78°
High: 86°F
Avg: 78°F
Low: 70°F
May
83°
High: 91°F
Avg: 83°F
Low: 75°F
Jun
85°
High: 93°F
Avg: 85°F
Low: 76°F
Jul
85°
High: 94°F
Avg: 85°F
Low: 76°F
Aug
81°
High: 90°F
Avg: 81°F
Low: 72°F
Sep
73°
High: 83°F
Avg: 73°F
Low: 63°F
Oct
64°
High: 73°F
Avg: 64°F
Low: 54°F
Nov
57°
High: 66°F
Avg: 57°F
Low: 48°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 2" 4" 6" 6.0"
2.8"
2.77"
Jan
2.0"
2.01"
Feb
1.8"
1.75"
Mar
2.2"
2.18"
Apr
4.1"
4.07"
May
5.1"
5.11"
Jun
6.0"
6.05"
Jul
5.9"
5.87"
Aug
5.3"
5.25"
Sep
3.0"
3.01"
Oct
2.1"
2.15"
Nov
2.5"
2.48"
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 59m
Mar: 6:06 AM – 5:54 PM · 11h 47m
Apr: 5:38 AM – 6:22 PM · 12h 43m
May: 5:16 AM – 6:44 PM · 13h 29m
Jun: 5:04 AM – 6:56 PM · 13h 53m
Jul: 5:08 AM – 6:52 PM · 13h 43m
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: 6:45 AM – 5:15 PM · 10h 29m
Dec: 6:57 AM – 5:03 PM · 10h 07m
Daylight Longest: 13h 54m · Shortest: 10h 06m

Nearby Stations

Houston Hobby AP, TX January 30 - December 28 Houston Nwso, TX January 31 - December 14 Alvin, TXFebruary 14 - December 5 Houston-Port, TX February 2 - December 25 Thompsons 3 Wsw, TX February 15 - December 6 Houston Sugarland Mem, TX February 2 - December 11

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