October weather forecast
Port Lavaca, TX

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).

Temperature

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). In October, in Port Lavaca, Texas, the average low-temperature is 68.5°F (20.3°C).

Heat index

The average heat index in October is estimated at 84°F (28.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like wind, clothing, metabolic differences, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Port Lavaca, during October, the rain falls for 12.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Port Lavaca, Texas, during the entire year, the rain falls for 156.8 days and collects up to 23.5" (597mm) of precipitation.

Snowfall

February through December are months without snowfall in Port Lavaca.

Ocean temperature

In Port Lavaca, the average water temperature is 79.2°F (26.2°C).
Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Port Lavaca, the average length of the day in October is 11.5h.

Sunshine

The average sunshine in October is 7.1h.

UV index

In Port Lavaca, Texas, the average daily maximum UV index in October is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in October in Port Lavaca?

In Port Lavaca, Texas, in October, the average high-temperature is 80.6°F (27°C), and the average low-temperature is 68.5°F (20.3°C). In October, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 84°F (28.9°C).

What is the least humid month in Port Lavaca?

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

What is the average humidity in October in Port Lavaca?

In Port Lavaca, the average relative humidity in October is 71%.

How much does it rain in Port Lavaca in October?

In Port Lavaca, Texas, during October, the rain falls for 12.4 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in Port Lavaca?

February through December are months without snowfall in Port Lavaca, Texas.

What is the ocean temperature in October in Port Lavaca?

In October, the average ocean temperature in Port Lavaca is 79.2°F (26.2°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

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

In October, the average length of the day in Port Lavaca, Texas, is 11.5h.

How long on average sun shines in October in Port Lavaca?

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

What is the UV index intensity in October in Port Lavaca?

In October, the average daily maximum UV index in Port Lavaca, Texas, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

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"

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 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%

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").
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

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 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: 11.5h

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

  • Average sunshine in October: 7.1h

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 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

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 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

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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