Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October's arrival shows an average high-temperature of a moderately hot 81.9°F (27.7°C), hardly different from the previous month. Port Isabel's nighttime average temperature in October drops marginally from the daytime highs, settling at a still warm 76.1°F (24.5°C).Heat index
The heat index in October is evaluated at a hot 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
With an average relative humidity of 72%, October is the least humid month.Rainfall
In October, the rain falls for 13.5 days. Throughout October, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 143.2 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Ocean temperature
In Port Isabel, the average seawater temperature in October is 81.5°F (27.5°C).Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.
Daylight
The average length of the day in October is 11h and 32min.On the first day of October, sunrise is at 7:21 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:47 pm CDT.
Sunshine
In October, the average sunshine is 7.5h.UV index
In October, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 6 in October suggests the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the least humid month in Port Isabel?
What is the average humidity in October?
How many days does it rain in October?
What is the ocean temperature in October?
How many hours of daylight does Port Isabel have in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Port Isabel have in October?
What is the UV index intensity in October?
Average temperature in October
Port Isabel, TX
- Average high temperature in October: 81.9°F
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (67.1°F).
- Average low temperature in October: 76.1°F
The month with the highest average low temperature is August (82°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in October
Port Isabel, TX
- Average pressure in October: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in October
Port Isabel, TX
- Average wind speed in October: 12.4mph
The windiest month (with the highest average wind speed) is April (14.2mph).
The calmest month (with the lowest average wind speed) is September (10.9mph).
Average humidity in October
Port Isabel, TX
- Average humidity in October: 72%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Port Isabel, TX
- Average rainfall in October: 2.56"
The wettest month (with the highest rainfall) is September (4.13").
The driest month (with the least rainfall) is April (0.51").
Average rainfall days in October
Port Isabel, TX
- Average rainfall days in October: 13.5 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is March (8.2 days).
Average sea temperature in October
Port Isabel, TX
- Average sea temperature in October: 81.5°F
The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (66.7°F).
Average daylight in October /
Average sunshine in October
Port Isabel, TX
- Average daylight in October: 11h and 3min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in October: 7h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in October
Port Isabel, TX
- Average sunshine days in October: 14.6 days
The month with the most sunshine days is March (20.7 days).
The month with the least sunshine days is September (7.2 days).
Average UV index in October
Port Isabel, TX
- Average UV index in October: 6
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in October
Port Isabel, TX
- Average cloud cover in October: 30
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in October
Port Isabel, 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).
Port Isabel, Texas, USA
Weather forecast for your location
2. Allow the app to use your location