Climate and monthly weather forecast
Port Lavaca, TX

Weather in January

January, like December, in Port Lavaca, Texas, is another enjoyable winter month, with average temperature ranging between max 62.2°F (16.8°C) and min 49.6°F (9.8°C). With an average high-temperature of 62.2°F (16.8°C) and an average low-temperature of 49.6°F (9.8°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in Port Lavaca, Texas, with average temperature fluctuating between 65.1°F (18.4°C) and 53.4°F (11.9°C). In February, the average high-temperature is almost the same as in January - a still comfortable 65.1°F (18.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a pleasant month in Port Lavaca, Texas, with average temperature ranging between min 59.4°F (15.2°C) and max 70.7°F (21.5°C). In March, the average high-temperature marginally rises, from an enjoyable 65.1°F (18.4°C) in February, to a pleasant 70.7°F (21.5°C). Weather in March »

Weather in April

April is a warm spring month in Port Lavaca, Texas, with average temperature fluctuating between 77°F (25°C) and 65.3°F (18.5°C). In Port Lavaca, Texas, the average high-temperature in April slightly increases, from an agreeable 70.7°F (21.5°C) in March, to a warm 77°F (25°C). Weather in April »

Weather in May

The last month of the spring, May, is also a moderately hot month in Port Lavaca, Texas, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 72.3°F (22.4°C). In Port Lavaca, the average high-temperature marginally rises, from a moderately hot 77°F (25°C) in April, to a still warm 82.8°F (28.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Port Lavaca, Texas, with average temperature ranging between min 77.2°F (25.1°C) and max 88.2°F (31.2°C). In June, the average high-temperature slightly increases, from a warm 82.8°F (28.2°C) in May, to a tropical 88.2°F (31.2°C). Weather in June »

Weather in July

July, the same as June, in Port Lavaca, Texas, is another hot summer month, with average temperature varying between 89.8°F (32.1°C) and 79°F (26.1°C). In July, the average high-temperature is practically the same as in June - a still hot 89.8°F (32.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Port Lavaca, is also a hot month, with average temperature ranging between min 79.3°F (26.3°C) and max 90.7°F (32.6°C). With an average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 79.3°F (26.3°C), August is the warmest month. In August, the average heat index is estimated at a blistering 110.3°F (43.5°C). Weather in August »

Weather in September

September, the first month of the autumn, in Port Lavaca, is still a hot month, with average temperature fluctuating between 86.9°F (30.5°C) and 76.1°F (24.5°C). In Port Lavaca, the average high-temperature in September is almost the same as in August - a still hot 86.9°F (30.5°C). Weather in September »

Weather in October

October, like September, in Port Lavaca, Texas, is a moderately hot autumn month, with average temperature varying between 80.6°F (27°C) and 68.5°F (20.3°C). In October, the average high-temperature slightly decreases, from a hot 86.9°F (30.5°C) in September, to a warm 80.6°F (27°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Port Lavaca, Texas, with average temperature varying between 70.9°F (21.6°C) and 59.7°F (15.4°C). In Port Lavaca, Texas, the average high-temperature decreases, from a moderately hot 80.6°F (27°C) in October, to a pleasant 70.9°F (21.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in Port Lavaca, Texas, with average temperature ranging between min 52.9°F (11.6°C) and max 63.7°F (17.6°C). In December, the average high-temperature marginally drops, from a pleasant 70.9°F (21.6°C) in November, to a comfortable 63.7°F (17.6°C). Weather in December »
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FAQ

What is the coldest month in Port Lavaca?

January is the coldest month, with an average high-temperature of 62.2°F (16.8°C) and an average low-temperature of 49.6°F (9.8°C).

How many days does it rain in Port Lavaca?

Throughout the year, in Port Lavaca, Texas, there are 156.8 rainfall days, and 23.5" (597mm) of precipitation is accumulated.

When does it snow in Port Lavaca?

The only month with snowfall in Port Lavaca is January.

When does it snow the most in Port Lavaca?

The month with the most snowfall is January when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

How much does it snow in Port Lavaca?

Throughout the year, there are 0.2 snowfall days, and 0.04" (1mm) of snow is accumulated.

What is the month with the coldest ocean in Port Lavaca?

With an average ocean temperature of 60.1°F (15.6°C), January is the month with the coldest seawater in Port Lavaca, Texas.

What is the month with the lowest UV index in Port Lavaca?

January and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the most humid month in Port Lavaca?

February and March, with an average relative humidity of 79%, are most humid months in Port Lavaca, Texas.

What is the driest month in Port Lavaca?

February is the month with the least rainfall in Port Lavaca. Rain falls for 11.2 days and accumulates 0.87" (22mm) of precipitation.

When it does not snow in Port Lavaca?

February through December are months without snowfall.

When is the highest UV index in Port Lavaca?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Port Lavaca, Texas.

When are the longest days in Port Lavaca?

The month with the longest days is June, with an average of 14h of daylight.

What month has the most sunshine in Port Lavaca?

July has the most sunshine of the year in Port Lavaca, with an average of 10.8h of sunshine.

What is the warmest month in Port Lavaca?

The warmest month is August, with an average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 79.3°F (26.3°C).

When is the ocean warmest in Port Lavaca?

With an average ocean temperature of 86.7°F (30.4°C), August is the month with the warmest seawater in Port Lavaca.

What is the wettest month in Port Lavaca?

The month with the most rainfall in Port Lavaca is September when the rain falls for 19.8 days and typically aggregates up to 3.35" (85mm) of precipitation.

What is the least humid month in Port Lavaca?

October is the least humid month, with an average relative humidity of 71%.

What is the month with the shortest days in Port Lavaca?

The month with the shortest days is December, with an average of 10.3h of daylight.

What is the month with the least sunshine in Port Lavaca?

The month with the least sunshine in Port Lavaca, Texas, is December, with an average of 4.7h of sunshine.

Average temperature
Port Lavaca, TX

Average temperature - Port Lavaca, TX

The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (62.2°F).

The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).

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Average pressure
Port Lavaca, TX

Average pressure - Port Lavaca, TX

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
Port Lavaca, TX

Average wind speed - Port Lavaca, TX

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).

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Average humidity
Port Lavaca, TX

Average humidity - Port Lavaca, TX

Months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall
Port Lavaca, TX

Average rainfall - Port Lavaca, TX

The wettest month (with the highest rainfall) is September (3.35").
The driest month (with the least rainfall) is February (0.87").

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Average rainfall days
Port Lavaca, TX

Average rainfall days - Port Lavaca, TX

The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is January (10.8 days).

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Average snowfall
Port Lavaca, TX

Average snowfall - Port Lavaca, TX

The month with the highest snowfall is January (0.04").
Months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days
Port Lavaca, TX

Average snowfall days - Port Lavaca, TX

Months with the highest number of snowfall days are January and December (0.1 days).
Months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average sea temperature
Port Lavaca, TX

Average sea temperature - Port Lavaca, TX

The best month for swimming (with the highest average sea temperature) is August (86.7°F).
The coldest month (with the lowest average sea temperature) is January (60.1°F).

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Average daylight / Average sunshine
Port Lavaca, TX

Average daylight / Average sunshine - Port Lavaca, TX

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 4.7h).

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Average sunshine days
Port Lavaca, TX

Average sunshine days - Port Lavaca, TX

The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is September (8.5 days).

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Average UV index
Port Lavaca, TX

Average UV index - Port Lavaca, TX

Months with the highest UV index are May, June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 4).

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Average visibility
Port Lavaca, TX

Average visibility - Port Lavaca, TX

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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