Corpus Christi, TX Climate & Monthly Averages
Corpus Christi has a humid subtropical climate. August is the hottest month, averaging 89° by day; January is the coldest at 65°.
Sunshine is a defining feature of Corpus Christi's climate
Expect hot, humid summers and generally mild winters in Corpus Christi: that is what a humid subtropical climate means in practice. Highs peak at 89°F (32°C) in August and fall to 65°F (18°C) by January, with 9.5 hours of sun on an average day.
How sun, temperature and rain fit together
January bottoms out at 65°F (18°C) in daylight, 53°F (11°C) after dark. August is the warm end of the year, averaging 89°F (32°C) by day and 80°F (27°C) overnight. Days and nights are about 6°C apart on average - narrower than all but 6% of the 3496 cities in our dataset.
Average highs hold at or above 30°C for 4 months of the year, June through September being the unbroken run. The wettest month is September (4.3 inches (109 mm) across 14 days) and the driest February. Sunshine averages 9.5 hours a day over the year, peaking in July at 12.0 hours. The gridded 2015-2024 daily record for this location tops out at 98°F (37°C) and bottoms at 20°F (-6°C) - decade extremes, not all-time station records.
More climate facts for Corpus Christi
- Hottest month: August - highs near 89°F (32°C)
- Coldest month: January - highs near 65°F (18°C)
- Decade extremes (2015-2024): 98°F (37°C) high · 20°F (-6°C) low
- Wettest month: September (14 rainy days) · Sunniest: July (12.0 h sun/day)
- Climate type: humid subtropical
- Annual swing: 14°C between the average warmest and coolest month · day to night: 6°C
- Months averaging 30°C or hotter: 4
- Average humidity: 77%
The most comfortable sunny-weather window
Best time to visit Corpus Christi
January to April and October to November is the sweet spot for Corpus Christi - warm days, manageable rainfall and plenty of daylight line up. Expect 73°F (23°C) in the afternoon and around 9 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in January.
What to pack
Pack for Corpus Christi with light clothing for the warm months, a compact umbrella or rain shell and moisture-wicking fabrics for the humidity. Even in August, lows of 80°F (27°C) make an extra layer worth the space.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 65° | 53° | 9 | 2.9 in | 7.4 h/day | 10.6 h | 28% | 74% |
| February | 68° | 55° | 7 | 1.5 in | 7.6 h/day | 11.2 h | 26% | 78% |
| March | 73° | 63° | 9 | 3.0 in | 8.2 h/day | 11.9 h | 28% | 78% |
| April | 78° | 68° | 10 | 3.1 in | 9.7 h/day | 12.8 h | 34% | 78% |
| May | 83° | 75° | 14 | 4.0 in | 11.0 h/day | 13.5 h | 46% | 81% |
| June | 87° | 78° | 13 | 4.2 in | 11.9 h/day | 13.9 h | 45% | 79% |
| July | 88° | 80° | 9 | 3.4 in | 12.0 h/day | 13.7 h | 28% | 78% |
| August | 89° | 80° | 10 | 3.4 in | 11.9 h/day | 13.1 h | 33% | 76% |
| September | 86° | 77° | 14 | 4.3 in | 10.3 h/day | 12.3 h | 46% | 77% |
| October | 82° | 71° | 10 | 3.1 in | 9.7 h/day | 11.4 h | 31% | 73% |
| November | 73° | 63° | 9 | 2.9 in | 7.7 h/day | 10.7 h | 31% | 76% |
| December | 69° | 57° | 8 | 2.3 in | 7.1 h/day | 10.4 h | 25% | 78% |
Corpus Christi month by month
Each card shows the average high and low. The bar places that month between Corpus Christi's coldest night and warmest afternoon.
January
- Rain
- 9 days
- Sunshine
- 7.4 h
- Daylight
- 10.6 h
February
- Rain
- 7 days
- Sunshine
- 7.6 h
- Daylight
- 11.2 h
March
- Rain
- 9 days
- Sunshine
- 8.2 h
- Daylight
- 11.9 h
April
- Rain
- 10 days
- Sunshine
- 9.7 h
- Daylight
- 12.8 h
May
- Rain
- 14 days
- Sunshine
- 11.0 h
- Daylight
- 13.5 h
June
- Rain
- 13 days
- Sunshine
- 11.9 h
- Daylight
- 13.9 h
July
- Rain
- 9 days
- Sunshine
- 12.0 h
- Daylight
- 13.7 h
August
- Rain
- 10 days
- Sunshine
- 11.9 h
- Daylight
- 13.1 h
September
- Rain
- 14 days
- Sunshine
- 10.3 h
- Daylight
- 12.3 h
October
- Rain
- 10 days
- Sunshine
- 9.7 h
- Daylight
- 11.4 h
November
- Rain
- 9 days
- Sunshine
- 7.7 h
- Daylight
- 10.7 h
December
- Rain
- 8 days
- Sunshine
- 7.1 h
- Daylight
- 10.4 h
Looking for warmer alternatives? Browse warm places by month, or compare Corpus Christi's coolest part of the year: January, February, December.
Seasonal weather under Corpus Christi's sunnier skies
Spring (March through May)
Spring in Corpus Christi brings comfortable warmth, with daytime highs averaging 78°F (26°C) and nights around 69°F (20°C); rain falls on around 33 of the 90 days.
Summer (June through August)
Summer is hot here - highs near 88°F (31°C), nights near 79°F (26°C), and rain falls on around 32 of the 90 days. Daylight is generous - around 11.9 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Through fall, Corpus Christi is mild and warm: 80°F (27°C) by day, 70°F (21°C) after dark, and rain falls on around 33 of the 90 days.
Winter (December through February)
Winter in Corpus Christi is crisp but comfortable, with daytime highs averaging 67°F (20°C) and nights around 55°F (13°C); expect showers on roughly 24 days across the season.
How unusual is Corpus Christi?
- Corpus Christi sits close to the middle of our dataset on most measures: 73°F (23°C) as an annual average, 38.2 inches (970 mm) of precipitation and 9.5 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
Corpus Christi temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.