The best times to visit Port Lavaca for ideal weather are
February 19th to May 6th
or
October 15th to December 23rd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Port Lavaca Travel Guide
Other Port Lavaca Travel Info
Weather in Port Lavaca
Temperature
Average temperatures in Port Lavaca vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a very low chance of precipitation throughout the year. The area is somewhat temperate — in the 56th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Port Lavaca, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid August where highs are regularly around 95°F (35°C) with temperatures rarely dropping below 76.6°F (24.8°C) at night.
Port Lavaca Temperatures (Fahrenheit)
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Port Lavaca Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Port Lavaca Perceived Temperature (F)
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Port Lavaca Perceived Temperature (C)
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Average Port Lavaca Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 64.4 | 52.8 | 44 |
| Feb | 68.2 | 57.2 | 48.6 |
| Mar | 73.8 | 63.9 | 55.3 |
| Apr | 79.7 | 70.5 | 62.8 |
| May | 85.1 | 76.4 | 69 |
| Jun | 90.6 | 81.7 | 74.2 |
| Jul | 92 | 82.9 | 75.5 |
| Aug | 94 | 83.8 | 75.8 |
| Sep | 89.3 | 79.8 | 72 |
| Oct | 83.9 | 73 | 63.2 |
| Nov | 74.6 | 63.3 | 53.9 |
| Dec | 67.9 | 57 | 48.1 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 18 | 11.6 | 6.7 |
| Feb | 20.1 | 14 | 9.2 |
| Mar | 23.2 | 17.7 | 12.9 |
| Apr | 26.5 | 21.4 | 17.1 |
| May | 29.5 | 24.7 | 20.6 |
| Jun | 32.6 | 27.6 | 23.4 |
| Jul | 33.3 | 28.3 | 24.2 |
| Aug | 34.4 | 28.8 | 24.3 |
| Sep | 31.8 | 26.6 | 22.2 |
| Oct | 28.8 | 22.8 | 17.3 |
| Nov | 23.7 | 17.4 | 12.2 |
| Dec | 19.9 | 13.9 | 8.9 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Port Lavaca are January, February, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early September with an average of 2 days of significant precipitation the week of September 3rd.
When can you find snow in Port Lavaca? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Port Lavaca.
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Snow on the Ground
The graph below shows the average snow on the ground in Port Lavaca (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 3% | 0 | 0.5 |
| Feb | 4% | 0 | 0.5 |
| Mar | 7% | 0 | 1 |
| Apr | 5% | 0 | 0.7 |
| May | 8% | 0 | 1.4 |
| Jun | 7% | 0 | 0.9 |
| Jul | 5% | 0 | 1 |
| Aug | 7% | 0 | 1.6 |
| Sep | 13% | 0 | 2.3 |
| Oct | 5% | 0 | 0.7 |
| Nov | 10% | 0 | 1 |
| Dec | 6% | 0 | 0.8 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 3 | 0 | 1.3 |
| Feb | 4 | 0 | 1.3 |
| Mar | 7 | 0 | 2.5 |
| Apr | 5 | 0 | 1.8 |
| May | 8 | 0 | 3.6 |
| Jun | 7 | 0 | 2.3 |
| Jul | 5 | 0 | 2.5 |
| Aug | 7 | 0 | 4.1 |
| Sep | 13 | 0 | 5.8 |
| Oct | 5 | 0 | 1.8 |
| Nov | 10 | 0 | 2.5 |
| Dec | 6 | 0 | 2 |
Humidity and Wind
Port Lavaca has some very humid months, and above average humidity throughout the year. The least humid month is October (62.1% relative humidity), and the most humid month is February (70.6%).
Wind in Port Lavaca is usually moderate. The windiest month is April, followed by March and February. April’s average wind speed of around 9.7 knots (11.1 MPH or 17.9 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late February and early March where average top sustained speeds reach 19.4 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Port Lavaca.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 8.3 | Gentle breeze | 16 | Significant breeze |
| Feb | 8.9 | Gentle breeze | 17.2 | Strong breeze |
| Mar | 9.2 | Gentle breeze | 17.4 | Significant breeze |
| Apr | 9.7 | Gentle breeze | 17.7 | Strong breeze |
| May | 8.7 | Gentle breeze | 16 | Significant breeze |
| Jun | 7.1 | Gentle breeze | 14.6 | Significant breeze |
| Jul | 6.4 | Light breeze | 14.3 | Significant breeze |
| Aug | 6 | Light breeze | 14.1 | Significant breeze |
| Sep | 6.5 | Light breeze | 14.1 | Significant breeze |
| Oct | 7.2 | Gentle breeze | 14.5 | Significant breeze |
| Nov | 7.6 | Gentle breeze | 15.1 | Significant breeze |
| Dec | 8.1 | Gentle breeze | 15.8 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 68.1% |
| Feb | 70.6% |
| Mar | 68.9% |
| Apr | 67.8% |
| May | 69.1% |
| Jun | 68.6% |
| Jul | 67.3% |
| Aug | 64.6% |
| Sep | 67.2% |
| Oct | 62.1% |
| Nov | 66.4% |
| Dec | 69.8% |
Is it Safe to Travel to Port Lavaca?
Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Port Lavaca, TX, US is March, followed by June and April. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Port Lavaca in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Port Lavaca Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 88.7°F (31.5°C) and 70.3°F (21.3°C) with warmer temperatures in the later months. Rain is rare with roughly 2 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 1 to 2 days of precipitation per month. June – August is the second busiest season for tourism in Port Lavaca, so lodging and other accommodations may cost slightly more.
Fall (September through November)
Fall daily highs range from 91.5°F (33.1°C) and 70.2°F (21.2°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 4 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is somewhat cool this time of year in Port Lavaca to be enjoyable for warm weather travelers. The average high during this season is between 72.1°F (22.3°C) and 62.9°F (17.2°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› the United States › Port Lavaca, TX, US