Port Lavaca (TX) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Port Lavaca.

Climate overview of Port Lavaca

Temperatures in Port Lavaca, Texas, United States of America, vary greatly throughout the year. August is the hottest month at 34°C (93°F), while January is the coldest at 18°C (64°F).

The city receives considerable rainfall, with around 1005 mm (40 in) annually. July is the wettest month. It has very warm summers and mild winters.

Port Lavaca Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Port Lavaca - and find the best time to visit.

Monthly Temperature in Port Lavaca

The climate in Port Lavaca is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 34°C (93°F) in August to a moderate 18°C (64°F) in the coolest month, January.

Nights vary from 25°C (77°F) in August to around 7°C (45°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Port Lavaca

Port Lavaca has a notably wet climate with abundant precipitation, recording 1005 mm (40 in) of rainfall per year. The climate in Port Lavaca shows significant variation throughout the year. Expect high rainfall in July, the wettest month, with an average of 135 mm (5.3 in) of precipitation over 10 rainy days.

In contrast, the driest month February offers drier and sunnier days, with around 34 mm (1.3 in) of rainfall over 7 rainy days. For more details, please visit our Port Lavaca Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Port Lavaca

Conditions in Port Lavaca are generally most comfortable in February, March, April, October and November. They are typically least comfortable in July and August.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: February, March, April, October and November
  • Warmest weather: July and August
  • Seasonal pattern: Very warm summers and mild winters

Frequently asked questions about the climate in Port Lavaca

What is the best time to visit Port Lavaca?

February, March, April, October and November typically offer the most optimal weather in Port Lavaca. In contrast, July and August tend to have less optimal conditions. Port Lavaca has very warm summers and mild winters.

What temperatures can I expect in Port Lavaca?

Daytime highs range from 18°C (64°F) in January to 34°C (93°F) in August. Nighttime lows range from 7°C (45°F) to 25°C (77°F). Temperatures vary considerably through the year.

How much rain does Port Lavaca get?

Annual rainfall is around 1005 mm (40 in). July is the wettest month with 135 mm (5.3 in), while February is the driest with 34 mm (1.3 in).

Port Lavaca 3-Day Forecast

Port Lavaca on the map

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