Corpus Christi averages 107.8 days a year above 90°F, with September the wettest month at 5.36 in of normal rain. The hottest day on record was 106°F on Aug 29, 2011; the coldest, 16°F on Feb 16, 2021. The single biggest 24-hour rain event recorded was 8.62 in on Jun 1, 2006.
Climate and Average Weather Year Round in Corpus Christi
Year-round temperature
In Corpus Christi, the warmest months are June through September, with average daily highs between 89°F and 93°F. The coldest stretch runs December through February, with highs between 66°F and 70°F and overnight lows reaching 47°F.
Rainfall through the year
Rainfall in Corpus Christi averages 2.6 in per month over the long run. September is the wettest at 5.4 in, while February is the driest at 1.4 in.
Days at 90 °F or hotter
Corpus Christi averages 107.8 days per year at 90 °F or hotter. The hottest year on record saw 159 such days (2025); the coolest just 6 (2026).
Precipitation this year
As of May 28, Corpus Christi has received 9.2 in of precipitation this year — 7% below the long-term normal for this point in the year (9.9 in).