October weather forecastPort Lavaca, TX
October
Weather in October
October, the same as September, is another warm autumn month in Port Lavaca, Texas, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 80.6°F (27°C).Temperature
The arrival of October is marked by a minor reduction in average high-temperature, sliding from a hot 86.9°F (30.5°C) in September to a warm 80.6°F (27°C). The nighttime temperature, during October, averages of 68.5°F (20.3°C).Heat index
In October, the average heat index is evaluated at 84.2°F (29°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
With an average relative humidity of 71%, October is the least humid month.Rainfall
In Port Lavaca, in October, during 12.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Port Lavaca, 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.Ocean temperature
In Port Lavaca, in October, the average water temperature is 79.2°F (26.2°C).Note: 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.
Daylight
The average length of the day in October 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, in Port Lavaca, 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 Port Lavaca, the average daily maximum UV index in October is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during October translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Heed this! UV intensity is much stronger when reflected off sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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).
Average daylight in October /
Average sunshine in October
Port Lavaca, TX
- Average daylight in October: 11h and 30min
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 6min
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).
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).
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).
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).
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).





