Climate · Iowa Colony

Iowa Colony, TX climate

Iowa Colony has warm winters and hot summers, with plenty of rain. A typical July afternoon reaches 93°, a January night drops to 45°, and snow is almost unheard of.

NOAA 1991-2020 climate normals Updated once a decade
July high
93°
230th coolest of 1,859 Texas towns
January low
45°
431st mildest of 1,859 Texas towns
Rain + melted snow
53 in
146th wettest of 1,859 Texas towns
Snow a winter
0.1 in
886th snowiest of 1,796 Texas towns
A normal year

What a year in Iowa Colony feels like

Winter

66° / 47°
Typical high / low · Snow is rare

Spring

79° / 61°
Typical high / low · Frost is rare by spring

Summer

92° / 74°
Typical high / low · 101 days reach 90° in a normal year

Fall

82° / 62°
Typical high / low · Mild well into the fall
Best months to be outsideJanFebMarAprOctNovDecHighs of 62–84° and lows of 40° or more
Month by month

Iowa Colony weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January64°45°4.2" 090 49° – 61°
February68°49°2.8" 080 49° – 67°
March73°55°3.3" 070 58° – 71°
April79°60°3.8" 070 65° – 74°
May86°68°5.0" 060 73° – 80°
June91°73°5.5" 080 79° – 85°
July93°75°4.2" 080 81° – 86°
August94°75°4.9" 080 80° – 88°
September89°71°5.5" 080 77° – 84°
October82°61°5.0" 060 68° – 77°
November73°53°4.2" 070 57° – 68°
December66°47°4.1" 0.1"80 50° – 61°
Year80°61°52.6"0.1"870

“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.

Rain & snow

Rain and snow in Iowa Colony

Iowa Colony gets 53 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 87 days a year.

53 in
Rain + melted snow a year
More rain than 92% of U.S. towns
0.1 in
Snow in a normal winter
Less snow than 92% of U.S. towns
0 days
With 1"+ of snow on the ground
Fewer than 94% of U.S. towns

Rain + melted snow by month

Inches of water
5.5"

Snowfall by month

About 0.1" in a normal year, so most winters see none.
Frost & the growing season

A year-round growing season

🌿 Only about most winters dip to 32° here (89% of years), so gardens can grow year-round.
6
nights at or below 32° in a normal year
0
nights below 0° in a normal year
101
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Iowa Colony

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Iowa Colony, 24% of that work is heating and 76% is cooling, so air conditioning is the bigger bill.

24%heating
1,074 heating degree daysLess heating than 97% of U.S. towns
3,394 cooling degree daysMore cooling than 97% of U.S. towns

Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.

Around Iowa Colony

Iowa Colony and its neighbors

Iowa Colony borders 2 towns with climate data. January nights across them vary by 0.3°. Manvel has both the coldest January nights (45°) and the hottest July afternoons (93°). Iowa Colony’s January low is 45° and its July high 93°.

Pearland: January low 45°, July high 93°Hitchcock: January low 47°, July high 90°Rosharon: January low 45°, July high 92°Friendswood: January low 45°, July high 92°Hillcrest Village: January low 45°, July high 92°Alvin: January low 45°, July high 92°Manvel: January low 45°, July high 93°Iowa Colony: January low 45°, July high 93° Iowa ColonyAlvinManvel
ColderMilder45° to 47°
Manvel44.6° −0.1°
Iowa Colony44.7°
Alvin44.9° +0.2°

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Iowa Colony compares

Summer heat93° July high
Hotter than 92% of U.S. towns230th coolest of 1,859 Texas towns
Winter cold45° January low
Milder than 97% of U.S. towns431st mildest of 1,859 Texas towns
Precipitation53" a year
Wetter than 92% of U.S. towns146th wettest of 1,859 Texas towns
Snow0.1" a winter
Less snow than 92% of U.S. towns886th snowiest of 1,796 Texas towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+1.5°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Iowa Colony averaged 1.5° warmer than the 1900s. The biggest change is in February (+2.8°). The shift is larger than in 73% of U.S. towns.

❄️ Winter+2.0° now 56°, was 54°
🌷 Spring+1.6° now 70°, was 68°
☀️ Summer+1.2° now 83°, was 82°
🍂 Fall+1.4° now 72°, was 70°

Change by month1991–2020 average minus 1901–2000 average, at Iowa Colony’s spot on NOAA’s grid

Year to year

How much a month can swing

A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 49° to 67°. July is the most reliable, staying within 5°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Iowa Colony’s climate

What is the coldest month in Iowa Colony?

January, with a typical high of 64° and a low of 45°.

What is the hottest month in Iowa Colony?

August, with a typical high of 94° and a low of 75°. About 101 days a year reach 90°.

How much snow does Iowa Colony get?

Almost none. A normal year brings 0.1 inches.

When is the first frost in Iowa Colony?

Frost is uncommon. Only 89% of years see a night at 32° or below.

What is the rainiest month in Iowa Colony?

September, with 5.5 inches of rain and melted snow. The year totals 53 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Iowa Colony itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Thompsons 3 Wsw, TX (13 mi, snow) and Houston Clover Fld, TX (12 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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