Port Lavaca Weather & Climate

United States of America

Port Lavaca sees feels-like daytime highs peak around 40.8°C in August and nighttime lows bottom out near 11.7°C in January. September is the wettest month (~90 mm), while February is the driest (~46 mm). For sunshine, May leads with about 68% clear skies.

Best time to visit Port Lavaca

Based on mild feels-like temperatures and low rain chances, the most comfortable months are March, November, and February — expect around 17.626°C with roughly 17% chance of rain on a given day in March.

Port Lavaca climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January11.7° / 19.5°19%54 mm54%18.6 kph
February13.4° / 22°16%46 mm57%18.7 kph
March17.6° / 26°17%59 mm59%19 kph
April21.6° / 30°18%54 mm62%19.3 kph
May26.9° / 34.9°26%81 mm68%18.7 kph
June30.8° / 38°28%79 mm66%17.5 kph
July32.6° / 39.8°24%69 mm50%16 kph
August32.5° / 40.8°26%63 mm47%14.9 kph
September29.9° / 38.2°30%90 mm56%15.4 kph
October24.5° / 33.1°25%90 mm67%17 kph
November18.1° / 26.5°20%65 mm66%18.1 kph
December13.1° / 20.9°18%48 mm57%18.4 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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