Corpus Christi, Texas climate: Normal weather by month, frost dates and records

What is the weather like in Corpus Christi each month?

August is the warmest month, with normal highs of 95°F; January the coldest, with normal lows of 48°F. The most precipitation falls in September (5.42 in), the least in February (1.29 in).

Each month has its own page with the day-by-day normals, the month's records and its recent years:

• Jan
• Feb
• Mar
• Apr
• May
• Jun
• Jul
• Aug
• Sep
• Oct
• Nov
• Dec

When is the best weather to visit Corpus Christi?

Normal highs sit between 65°F and 85°F in January, February, March, April, October, November and December. Of those, April has the fewest days with rain (6).

That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.

When is the last frost in Corpus Christi?

In Corpus Christi, the last spring frost (32°F) comes after January 28 in half of years and after February 28 in one year in ten; the first autumn frost comes before December 21 in half of years and before November 25 in one year in ten. A night at 32°F or colder comes at all in 89% of years here (NOAA).

Last spring frost, half of years after

January 281 year in 10 after February 28; 9 in 10 after December 16

First autumn frost, half of years before

December 211 year in 10 before November 25; 9 in 10 before January 26

NOAA puts the median frost-free season at 331 days, and the season without a hard freeze (28°F) at 363 days.

A hard freeze (28°F) comes after January 8 in half of springs and before December 30 in half of autumns.

The USDA's 2023 Plant Hardiness Zone Map puts Corpus Christi in zones 9b to 10a across its 19 ZIP code areas (10a in 78418, the largest). By the map's own method, the average of each year's coldest night over 1991-2020, Corpus Christi's NOAA station is in zone 9b: the coldest night of a typical year reaches 29°F (30 complete years); the map interpolates between stations and terrain, so the station and the ZIP area can differ by half a zone.

Frost dates for every NOAA station in Texas · Frost dates by ZIP code

What hardiness zone is each Corpus Christi ZIP code in?

The USDA's 2023 map gives each ZIP code area one zone. Corpus Christi's 19 ZIP code areas run from zone 9b to 10a: 15 in 10a and 4 in 9b. Each ZIP's frost dates are in the frost tool.

How hot and how cold does it get in Corpus Christi?

In a normal year in Corpus Christi, 123 days a year reach 90°F (4 of them 100°F or more), 4 nights fall to 32°F or colder and 79 days bring measurable precipitation.

Days at 90°F or more

123a normal year

Days at 100°F or more

4a normal year

Nights at 32°F or colder

4a normal year

Days that stay below freezing

fewer than 1high of 32°F or less

Days with 0.01 inch of precipitation

79a normal year

The highest temperature in Corpus Christi's official record (kept by the National Weather Service since 1887) is 109°F, on September 5, 2000; the lowest is 11°F, on February 12, 1899.

The wettest calendar year on that record is 1888, with 48.16 in; the snowiest season is 2004–05, with 4.4 inches.

How humid and windy is Corpus Christi, and how clear are its skies?

The summer (June-August) dew point averages 74°F. The muggiest month is June, with an average dew point of 75°F, above the 65°F at which most people call the air sticky; the driest air comes in December (47°F). March is the windiest month (14.0 mph on average), and July has the most clear or nearly clear hours (62%).

How sunny is Corpus Christi?

Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Corpus Christi, 4.9 kWh per square metre a day. August is the sunniest month (89%) and December the cloudiest (70%). Among the 459 U.S. places of 50,000 or more, that ranks tied 125th (with 50 others) in sunshine.

How much heating and cooling does Corpus Christi need?

A normal year in Corpus Christi brings 801 heating degree days, 85% fewer than the median U.S. place (5,373), and 3,737 cooling degree days, 4.1 times the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 8,481 growing degree days a year above 50°F.

Has Corpus Christi been warmer than normal lately?

2025 averaged 74.8°F, 1.8°F above the 1991-2020 normal of 73.0°F. 3 of the 5 complete years since 2021 ran warmer than the normal.

Over 69 complete years from 1947 to 2025, the station's annual mean temperature rose at a fitted 4.4°F per century (+0.25°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.

Which places near Corpus Christi share this climate record?

2 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.

• Portland, TX20,725 people · 13 mi NE
• Tierra Grande, TX92 people · 7 mi SW

What do Corpus Christi's other NOAA stations record?

3 more NOAA stations keep 1991-2020 normals in or near Corpus Christi. This page uses Corpus Christi International Airport; the others differ by site and elevation, and the linked ones have pages of their own:

Nearby and next

• Corpus Christi in OctoberThis month day by day, its records and recent years
• Texas climateThe statewide normals and every place in the state
• Corpus Christi Cabaniss Field, TX7 miles from this station, 73.6°F a year
• Robstown, TX9 miles from this station, 73.1°F a year
• C C Botanical Gardens, TX11 miles from this station, 71.7°F a year
• Sinton, TX18 miles from this station, 71.5°F a year
• Compare two placesMonth by month, side by side

Download these normals (CSV) · JSON · How these figures are made