Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average sea temperature in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
The shift from October to November includes a small decrease in the average high-temperature, from a moderately hot 81.9°F (27.7°C) to a still warm 74.7°F (23.7°C). Port Isabel, during the November nights, maintains an average temperature of 68.4°F (20.2°C), closely aligned with its daytime readings.Humidity
In November, the average relative humidity in Port Isabel is 74%.Rainfall
In Port Isabel, in November, during 14.1 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Port Isabel, during the entire year, the rain falls for 143.2 days and collects up to 21.38" (543mm) of precipitation.Ocean temperature
In Port Isabel, the average seawater temperature in November is 76.5°F (24.7°C).Note: Factoring in a person's dislike for cold, combined with conditions like sunshine, wind, and temperature, a dip in 76.5°F (24.7°C) waters might be satisfying. (It is worth noting that the Olympic swimming waters are maintained between 77°F (25°C) and 82.4°F (28°C).)
Daylight
In Port Isabel, the average length of the day in November is 10h and 52min.On the first day of the month, sunrise is at 7:38 am and sunset at 6:46 pm CDT. On the last day of November, sunrise is at 6:58 am and sunset at 5:36 pm CST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from CDT to CST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from CST to CDT.
Sunshine
In Port Isabel, the average sunshine in November is 5.4h.UV index
The average daily maximum UV index in November is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 6 in November leads to these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The mirror effect of sand and water ups the UV radiation strength.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in November?
What is the average humidity in November?
How many days does it rain in November?
What is the water temperature in November?
How many hours of daylight does Port Isabel have in November?
When are sunrise and sunset in November?
When does Daylight Saving Time (DST) end in November?
How long on average sun shines in November?
What is the UV index reading in November?
Average temperature in November
Port Isabel, TX
- Average high temperature in November: 74.7°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 November: 68.4°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 November
Port Isabel, TX
- Average pressure in November: 30.06"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 November
Port Isabel, TX
- Average wind speed in November: 13.3mph
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 November
Port Isabel, TX
- Average humidity in November: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in November
Port Isabel, TX
- Average rainfall in November: 1.89"
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 November
Port Isabel, TX
- Average rainfall days in November: 14.1 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 November
Port Isabel, TX
- Average sea temperature in November: 76.3°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 November /
Average sunshine in November
Port Isabel, TX
- Average daylight in November: 10h and 5min
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 November: 5h and 2min
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 November
Port Isabel, TX
- Average sunshine days in November: 13.1 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 November
Port Isabel, TX
- Average UV index in November: 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 November
Port Isabel, TX
- Average cloud cover in November: 42
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 November
Port Isabel, TX
- Average visibility in November: 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
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