Corpus Christi climate

Name: Corpus Christi
Address: US

Corpus Christi is warmest in August, with average highs of 32 °C, and coldest in January, when nights average 12 °C. September is the wettest month (115 mm) and February the driest (42 mm). Figures are 1991–2020 climate normals.

Across a full year Corpus Christi averages 781 mm of rain, 215 days above 25 °C and 0 days below freezing.

United States · 2 m elevation · population 316,239 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 32 °C
Coldest month January 12 °C
Driest month February 42 mm
Wettest month September 115 mm
Least cloud October 40 % cloud
Hottest on record September 38 °C
Coldest on record February -3.6 °C

What to expectCorpus Christi through the year

Corpus Christi has a clear annual cycle: average daily highs run from 19 °C in January to 32 °C in August, a swing of 14 °C in mean temperature across the year.

Counted across a normal year, 215 days a year reach 25 °C, 97 of them reach 30 °C, 0 nights drop below freezing. The warmest reading in the 1991–2020 record is 38 °C, in September.

Rain is strongly seasonal. September averages 115 mm against 42 mm in February — 2.7 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	19.0 °C	51 mm	58 %
February	20.3 °C	42 mm	59 %
March	22.6 °C	60 mm	57 %
April	25.5 °C	52 mm	56 %
May	28.3 °C	68 mm	51 %
June	30.6 °C	74 mm	44 %
July	31.3 °C	59 mm	45 %
August	31.8 °C	63 mm	44 %
September	30.0 °C	115 mm	48 %
October	27.3 °C	83 mm	40 %
November	23.1 °C	57 mm	49 %
December	20.0 °C	56 mm	58 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	19.0 °C	12.1 °C	15.0 °C	29.8 °C	-1.9 °C	1	0
February	20.3 °C	13.6 °C	16.4 °C	29.7 °C	-3.6 °C	2	0
March	22.6 °C	16.4 °C	19.0 °C	30.3 °C	1.3 °C	6	0
April	25.5 °C	19.6 °C	22.2 °C	34.4 °C	5.1 °C	18	1
May	28.3 °C	23.1 °C	25.4 °C	34.2 °C	11.6 °C	30	5
June	30.6 °C	25.5 °C	27.8 °C	36.8 °C	20.1 °C	30	20
July	31.3 °C	26.1 °C	28.4 °C	36.3 °C	23.2 °C	31	25
August	31.8 °C	26.3 °C	28.8 °C	36.4 °C	21.3 °C	31	27
September	30.0 °C	24.6 °C	27.1 °C	38.3 °C	14.7 °C	30	15
October	27.3 °C	21.3 °C	24.0 °C	33.1 °C	5.4 °C	26	3
November	23.1 °C	16.8 °C	19.6 °C	30.1 °C	2.4 °C	10	0
December	20.0 °C	13.3 °C	16.2 °C	27.7 °C	-3.3 °C	2	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	51 mm	8	11 h/day	58 %	74 %	22 km/h
February	42 mm	6	11 h/day	59 %	77 %	23 km/h
March	60 mm	7	12 h/day	57 %	77 %	25 km/h
April	52 mm	7	13 h/day	56 %	77 %	26 km/h
May	68 mm	9	14 h/day	51 %	79 %	25 km/h
June	74 mm	9	14 h/day	44 %	78 %	23 km/h
July	59 mm	7	14 h/day	45 %	78 %	23 km/h
August	63 mm	9	13 h/day	44 %	76 %	22 km/h
September	115 mm	13	12 h/day	48 %	76 %	19 km/h
October	83 mm	9	12 h/day	40 %	73 %	20 km/h
November	57 mm	7	11 h/day	49 %	73 %	21 km/h
December	56 mm	7	10 h/day	58 %	74 %	22 km/h

How Corpus Christi compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Corpus Christi	32 °C	12 °C	781 mm	215
Reynosa · Mexico	36 °C	12 °C	561 mm	296
San Antonio · United States	35 °C	7.2 °C	861 mm	227
Nuevo Laredo · Mexico	37 °C	10 °C	497 mm	281
Heroica Matamoros · Mexico	33 °C	14 °C	640 mm	265
Austin · United States	35 °C	6.3 °C	924 mm	216
Cypress · United States	34 °C	7.7 °C	1,173 mm	213

Planning a trip? See the best time to visit Corpus Christi.

QuestionsCommon questions about Corpus Christi’s climate

When is the best time to visit Corpus Christi?

That depends on what you want, so the honest answer is a comparison rather than a single month. March, April, November sit closest to 20 °C on average, August is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Corpus Christi get?

In August, the warmest month, daily highs average 32 °C. About 97 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 12 °C in January, the coldest month. A normal year has 0 nights below freezing.

Which month is wettest in Corpus Christi?

September, averaging 115 mm over 13 days with rain. The driest month is February with 42 mm. The year as a whole averages 781 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Corpus Christi rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 27.801°, -97.396° , 2 m above sea level (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.