October weather forecast
Port Lavaca, TX

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Weather in October

October, the same as September, is another warm autumn month in Port Lavaca, Texas, with an average temperature varying between 80.6°F (27°C) and 68.5°F (20.3°C).

Temperature

The shift from September to October includes a small decrease in the average high-temperature, from a tropical 86.9°F (30.5°C) to a moderately hot 80.6°F (27°C). In Port Lavaca, an average nighttime temperature of 68.5°F (20.3°C) is expected during October.

Heat index

The heat index in October is computed to be 84.2°F (29°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

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

Rainfall

In Port Lavaca, in October, it is raining for 12.4 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, in Port Lavaca, there are 156.8 rainfall days, and 23.5" (597mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall.

Ocean temperature

In October, the average ocean temperature in Port Lavaca, Texas, is 79.2°F (26.2°C).
Note: Swimming, diving, and other water endeavors at temperatures between 77°F (25°C) and 84.2°F (29°C) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

In October, the average length of the day is 11h and 28min.
On the first day of the month, sunrise is at 7:19 am and sunset at 7:11 pm. On the last day of October, sunrise is at 7:38 am and sunset at 6:41 pm CDT.

Sunshine

In Port Lavaca, the average sunshine in October is 7.1h.

UV index

In October, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In October, a regular UV index of 5 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
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Frequently asked questions

What is the average October temperature in Port Lavaca?

In Port Lavaca, in October, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 68.5°F (20.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in October is computed to be 84.2°F (29°C).

What is the least humid month in Port Lavaca?

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

What is the average humidity in October in Port Lavaca?

In October, the average relative humidity is 71%.

How much does it rain in Port Lavaca in October?

In Port Lavaca, Texas, in October, during 12.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Port Lavaca?

In Port Lavaca, Texas, snow does not fall in February through December.

How warm is the water in October in Port Lavaca?

In October, the average ocean temperature is 79.2°F (26.2°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Port Lavaca have in October?

In Port Lavaca, Texas, the average day length in October is 11h and 28min.

When are sunrise and sunset in October in Port Lavaca?

In October, on the first day of the month, sunrise is at 7:19 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 6:41 pm CDT.

How many hours of sunshine does Port Lavaca have in October?

In October, the average sunshine duration in Port Lavaca is 7.1h.

How high is the UV index in October in Port Lavaca?

In October, the average daily maximum UV index in Port Lavaca is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Port Lavaca, TX

Average temperature in October - Port Lavaca, TX
  • Average high temperature in October: 80.6°F

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).

  • Average low temperature in October: 68.5°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 in October
Port Lavaca, TX

Average pressure in October - Port Lavaca, TX
  • Average pressure in October: 29.99"Hg

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

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Average wind speed in October
Port Lavaca, TX

Average wind speed in October - Port Lavaca, TX
  • Average wind speed in October: 9.4mph

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 in October
Port Lavaca, TX

Average humidity in October - Port Lavaca, TX
  • Average humidity in October: 71%

The 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 in October
Port Lavaca, TX

Average rainfall in October - Port Lavaca, TX
  • Average rainfall in October: 2.09"

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 in October
Port Lavaca, TX

Average rainfall days in October - Port Lavaca, TX
  • Average rainfall days in October: 12.4 days

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 in October
Port Lavaca, TX

Average snowfall in October - Port Lavaca, TX
  • Average snowfall in October: 0"

The month with the highest snowfall is January (0.04").
The 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 in October
Port Lavaca, TX

Average snowfall days in October - Port Lavaca, TX
  • Average snowfall days in October: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The 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 in October
Port Lavaca, TX

Average sea temperature in October - Port Lavaca, TX
  • Average sea temperature in October: 79.2°F

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 in October /
Average sunshine in October
Port Lavaca, TX

Average daylight in October / Average sunshine in October - Port Lavaca, TX
  • Average daylight in October: 11h and 3min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in October
Port Lavaca, TX

Average sunshine days in October - Port Lavaca, TX
  • Average sunshine days in October: 16.2 days

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 in October
Port Lavaca, TX

Average UV index in October - Port Lavaca, TX
  • Average UV index in October: 5

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

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Average cloud cover in October
Port Lavaca, TX

Average cloud cover in October - Port Lavaca, TX
  • Average cloud cover in October: 29

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in October
Port Lavaca, TX

Average visibility in October - Port Lavaca, TX
  • Average visibility in October: 6mi

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

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Port Lavaca, Texas, USA

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