Average Monthly Sunshine in Port Isabel (TX)

The graphs on this page shows the average number of hours per month and per day that Port Isabel receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Seasonal sunshine in Port Isabel varies. It peaks at 326 hours in July and drops to 133 hours in January. The total annual amount of sun is 2730 hours.

Daily hours of sunshine

This means the city can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.9 hours of sunshine daily. In contrast, the city experiences much darker days in January, with only 4.4 hours of sunlight per day.

Port Isabel’s total hours of sunshine compared to other major cities

Port Isabel enjoys an average of 2730 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, Brussels, UK, receives only about 1590 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

September, Port Isabel’s wettest month, receives 25 mm of rainfall and has a maximum daytime temperature of 32°C. During the driest month August you can expect a temperature of 33°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Port Isabel Precipitation page.