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.

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

Port Lavaca's weather is most enjoyable during February, March, April, May, October, November and December, with comfortable temperatures from 19°C (66°F) to 29°C (85°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 34 mm (1.3 in) and 110 mm (4.3 in), providing a good balance of sunny and rainy days.

Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.

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.

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 (TX) 3-Day Forecast

Port Lavaca on the map

Port Lavaca is highlighted — select any city to see its climate.

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